{
 "topic": "climate",
 "site": "climatedata.dev",
 "parent": {
  "id": "us-ia",
  "name": "Iowa",
  "level": "us-state",
  "path": "us/ia"
 },
 "child_level": "us-county",
 "child_noun": "county",
 "child_nouns": "counties",
 "compare_label": "every Iowa county",
 "question": "Was September normal in Iowa?",
 "answer": {
  "verdict": "Much warmer than normal",
  "value": 68.3,
  "unit": "°F",
  "digits": 1,
  "label": "Statewide average temperature, September 2026",
  "lines": [
   "+4.6°F against the 1991–2020 normal of 63.7°F",
   "5th warmest September of 132 since 1895",
   "Of 99 counties: 86 much warmer, 13 warmer",
   "Furthest above normal: Fremont County (+6.6°F); least: Allamakee County (+2.5°F)",
   "Precipitation 7.83 in, 225% of normal: much wetter than normal"
  ]
 },
 "as_of": "2026-09",
 "as_of_label": "September 2026",
 "measure": {
  "value_label": "Average",
  "unit": "°F",
  "digits": 1,
  "change_label": "From normal",
  "change_unit": "°F",
  "change_digits": 1,
  "bin_step": 1,
  "rank_label": "Record rank",
  "rank_note": "Record rank: 1 is the warmest September on record for that county.",
  "change_text": "how far each county was from its own 1991–2020 normal",
  "verdict_text": "the same five words as each county's page, from much cooler to much warmer than normal",
  "change_button": "Degrees from normal",
  "map_description": "September 2026 was warmer than normal in every county with a figure: 86 much warmer, 13 warmer; furthest above normal Fremont County (+6.6°F), least Allamakee County (+2.5°F).",
  "map_indicator": "Monthly average temperature minus the county's 1991–2020 normal for September, °F (NOAA nClimDiv via climatedata.dev); words from each county's rank in its own record"
 },
 "categories": [
  {
   "key": "much-warmer",
   "label": "Much warmer than normal",
   "count": 86,
   "step": "w4"
  },
  {
   "key": "warmer",
   "label": "Warmer than normal",
   "count": 13,
   "step": "w2"
  },
  {
   "key": "near",
   "label": "Near normal",
   "count": 0,
   "step": "n"
  },
  {
   "key": "cooler",
   "label": "Cooler than normal",
   "count": 0,
   "step": "c2"
  },
  {
   "key": "much-cooler",
   "label": "Much cooler than normal",
   "count": 0,
   "step": "c4"
  }
 ],
 "places": [
  {
   "id": "us-county-19071",
   "name": "Fremont County",
   "path": "us/ia/fremont-county",
   "value": 72.8,
   "normal": 66.2,
   "anomaly": 6.6,
   "change": 6.6,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19145",
   "name": "Page County",
   "path": "us/ia/page-county",
   "value": 72.2,
   "normal": 65.6,
   "anomaly": 6.6,
   "change": 6.6,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19053",
   "name": "Decatur County",
   "path": "us/ia/decatur-county",
   "value": 71.6,
   "normal": 65.1,
   "anomaly": 6.5,
   "change": 6.5,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19129",
   "name": "Mills County",
   "path": "us/ia/mills-county",
   "value": 72.2,
   "normal": 65.8,
   "anomaly": 6.4,
   "change": 6.4,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19173",
   "name": "Taylor County",
   "path": "us/ia/taylor-county",
   "value": 71.4,
   "normal": 65,
   "anomaly": 6.4,
   "change": 6.4,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19185",
   "name": "Wayne County",
   "path": "us/ia/wayne-county",
   "value": 71.2,
   "normal": 64.8,
   "anomaly": 6.4,
   "change": 6.4,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19159",
   "name": "Ringgold County",
   "path": "us/ia/ringgold-county",
   "value": 71.3,
   "normal": 65,
   "anomaly": 6.3,
   "change": 6.3,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19007",
   "name": "Appanoose County",
   "path": "us/ia/appanoose-county",
   "value": 71.4,
   "normal": 65.2,
   "anomaly": 6.2,
   "change": 6.2,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19115",
   "name": "Louisa County",
   "path": "us/ia/louisa-county",
   "value": 71.6,
   "normal": 65.4,
   "anomaly": 6.2,
   "change": 6.2,
   "rank_warm": 2,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19135",
   "name": "Monroe County",
   "path": "us/ia/monroe-county",
   "value": 71.1,
   "normal": 65.2,
   "anomaly": 5.9,
   "change": 5.9,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19137",
   "name": "Montgomery County",
   "path": "us/ia/montgomery-county",
   "value": 71,
   "normal": 65.1,
   "anomaly": 5.9,
   "change": 5.9,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19139",
   "name": "Muscatine County",
   "path": "us/ia/muscatine-county",
   "value": 70.9,
   "normal": 65,
   "anomaly": 5.9,
   "change": 5.9,
   "rank_warm": 1,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19133",
   "name": "Monona County",
   "path": "us/ia/monona-county",
   "value": 70.2,
   "normal": 64.4,
   "anomaly": 5.8,
   "change": 5.8,
   "rank_warm": 1,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19057",
   "name": "Des Moines County",
   "path": "us/ia/des-moines-county",
   "value": 71.6,
   "normal": 65.9,
   "anomaly": 5.7,
   "change": 5.7,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19085",
   "name": "Harrison County",
   "path": "us/ia/harrison-county",
   "value": 70.6,
   "normal": 64.9,
   "anomaly": 5.7,
   "change": 5.7,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19117",
   "name": "Lucas County",
   "path": "us/ia/lucas-county",
   "value": 70.6,
   "normal": 64.9,
   "anomaly": 5.7,
   "change": 5.7,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19003",
   "name": "Adams County",
   "path": "us/ia/adams-county",
   "value": 70.2,
   "normal": 64.6,
   "anomaly": 5.6,
   "change": 5.6,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19039",
   "name": "Clarke County",
   "path": "us/ia/clarke-county",
   "value": 70.4,
   "normal": 64.8,
   "anomaly": 5.6,
   "change": 5.6,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19051",
   "name": "Davis County",
   "path": "us/ia/davis-county",
   "value": 71.1,
   "normal": 65.5,
   "anomaly": 5.6,
   "change": 5.6,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19123",
   "name": "Mahaska County",
   "path": "us/ia/mahaska-county",
   "value": 70.6,
   "normal": 65,
   "anomaly": 5.6,
   "change": 5.6,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19175",
   "name": "Union County",
   "path": "us/ia/union-county",
   "value": 70.1,
   "normal": 64.5,
   "anomaly": 5.6,
   "change": 5.6,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19179",
   "name": "Wapello County",
   "path": "us/ia/wapello-county",
   "value": 70.9,
   "normal": 65.3,
   "anomaly": 5.6,
   "change": 5.6,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19047",
   "name": "Crawford County",
   "path": "us/ia/crawford-county",
   "value": 69,
   "normal": 63.5,
   "anomaly": 5.5,
   "change": 5.5,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19107",
   "name": "Keokuk County",
   "path": "us/ia/keokuk-county",
   "value": 70.2,
   "normal": 64.7,
   "anomaly": 5.5,
   "change": 5.5,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19111",
   "name": "Lee County",
   "path": "us/ia/lee-county",
   "value": 72,
   "normal": 66.5,
   "anomaly": 5.5,
   "change": 5.5,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19087",
   "name": "Henry County",
   "path": "us/ia/henry-county",
   "value": 70.8,
   "normal": 65.4,
   "anomaly": 5.4,
   "change": 5.4,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19155",
   "name": "Pottawattamie County",
   "path": "us/ia/pottawattamie-county",
   "value": 70.5,
   "normal": 65.1,
   "anomaly": 5.4,
   "change": 5.4,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19093",
   "name": "Ida County",
   "path": "us/ia/ida-county",
   "value": 68.5,
   "normal": 63.2,
   "anomaly": 5.3,
   "change": 5.3,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19125",
   "name": "Marion County",
   "path": "us/ia/marion-county",
   "value": 70.5,
   "normal": 65.2,
   "anomaly": 5.3,
   "change": 5.3,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19163",
   "name": "Scott County",
   "path": "us/ia/scott-county",
   "value": 70.3,
   "normal": 65,
   "anomaly": 5.3,
   "change": 5.3,
   "rank_warm": 2,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19193",
   "name": "Woodbury County",
   "path": "us/ia/woodbury-county",
   "value": 69.2,
   "normal": 63.9,
   "anomaly": 5.3,
   "change": 5.3,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19177",
   "name": "Van Buren County",
   "path": "us/ia/van-buren-county",
   "value": 70.8,
   "normal": 65.6,
   "anomaly": 5.2,
   "change": 5.2,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19183",
   "name": "Washington County",
   "path": "us/ia/washington-county",
   "value": 70.1,
   "normal": 64.9,
   "anomaly": 5.2,
   "change": 5.2,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19001",
   "name": "Adair County",
   "path": "us/ia/adair-county",
   "value": 69.1,
   "normal": 64,
   "anomaly": 5.1,
   "change": 5.1,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19077",
   "name": "Guthrie County",
   "path": "us/ia/guthrie-county",
   "value": 68.9,
   "normal": 63.8,
   "anomaly": 5.1,
   "change": 5.1,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19165",
   "name": "Shelby County",
   "path": "us/ia/shelby-county",
   "value": 69,
   "normal": 63.9,
   "anomaly": 5.1,
   "change": 5.1,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19009",
   "name": "Audubon County",
   "path": "us/ia/audubon-county",
   "value": 68.3,
   "normal": 63.3,
   "anomaly": 5,
   "change": 5,
   "rank_warm": 6,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19029",
   "name": "Cass County",
   "path": "us/ia/cass-county",
   "value": 69.2,
   "normal": 64.2,
   "anomaly": 5,
   "change": 5,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19055",
   "name": "Delaware County",
   "path": "us/ia/delaware-county",
   "value": 67.5,
   "normal": 62.5,
   "anomaly": 5,
   "change": 5,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19027",
   "name": "Carroll County",
   "path": "us/ia/carroll-county",
   "value": 68.3,
   "normal": 63.4,
   "anomaly": 4.9,
   "change": 4.9,
   "rank_warm": 6,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19045",
   "name": "Clinton County",
   "path": "us/ia/clinton-county",
   "value": 69.3,
   "normal": 64.4,
   "anomaly": 4.9,
   "change": 4.9,
   "rank_warm": 3,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19101",
   "name": "Jefferson County",
   "path": "us/ia/jefferson-county",
   "value": 70,
   "normal": 65.1,
   "anomaly": 4.9,
   "change": 4.9,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19099",
   "name": "Jasper County",
   "path": "us/ia/jasper-county",
   "value": 69.4,
   "normal": 64.6,
   "anomaly": 4.8,
   "change": 4.8,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19031",
   "name": "Cedar County",
   "path": "us/ia/cedar-county",
   "value": 68.9,
   "normal": 64.2,
   "anomaly": 4.7,
   "change": 4.7,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19103",
   "name": "Johnson County",
   "path": "us/ia/johnson-county",
   "value": 69.1,
   "normal": 64.4,
   "anomaly": 4.7,
   "change": 4.7,
   "rank_warm": 4,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19149",
   "name": "Plymouth County",
   "path": "us/ia/plymouth-county",
   "value": 68,
   "normal": 63.3,
   "anomaly": 4.7,
   "change": 4.7,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19161",
   "name": "Sac County",
   "path": "us/ia/sac-county",
   "value": 67.9,
   "normal": 63.2,
   "anomaly": 4.7,
   "change": 4.7,
   "rank_warm": 6,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19097",
   "name": "Jackson County",
   "path": "us/ia/jackson-county",
   "value": 68.4,
   "normal": 63.8,
   "anomaly": 4.6,
   "change": 4.6,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19121",
   "name": "Madison County",
   "path": "us/ia/madison-county",
   "value": 69.3,
   "normal": 64.7,
   "anomaly": 4.6,
   "change": 4.6,
   "rank_warm": 7,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19157",
   "name": "Poweshiek County",
   "path": "us/ia/poweshiek-county",
   "value": 68.6,
   "normal": 64,
   "anomaly": 4.6,
   "change": 4.6,
   "rank_warm": 6,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19049",
   "name": "Dallas County",
   "path": "us/ia/dallas-county",
   "value": 69.1,
   "normal": 64.6,
   "anomaly": 4.5,
   "change": 4.5,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19073",
   "name": "Greene County",
   "path": "us/ia/greene-county",
   "value": 68.3,
   "normal": 63.8,
   "anomaly": 4.5,
   "change": 4.5,
   "rank_warm": 7,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19095",
   "name": "Iowa County",
   "path": "us/ia/iowa-county",
   "value": 68.6,
   "normal": 64.1,
   "anomaly": 4.5,
   "change": 4.5,
   "rank_warm": 7,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19035",
   "name": "Cherokee County",
   "path": "us/ia/cherokee-county",
   "value": 67.2,
   "normal": 62.8,
   "anomaly": 4.4,
   "change": 4.4,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19127",
   "name": "Marshall County",
   "path": "us/ia/marshall-county",
   "value": 68.1,
   "normal": 63.7,
   "anomaly": 4.4,
   "change": 4.4,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19019",
   "name": "Buchanan County",
   "path": "us/ia/buchanan-county",
   "value": 66.9,
   "normal": 62.6,
   "anomaly": 4.3,
   "change": 4.3,
   "rank_warm": 5,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19113",
   "name": "Linn County",
   "path": "us/ia/linn-county",
   "value": 67.7,
   "normal": 63.4,
   "anomaly": 4.3,
   "change": 4.3,
   "rank_warm": 7,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19119",
   "name": "Lyon County",
   "path": "us/ia/lyon-county",
   "value": 66.4,
   "normal": 62.1,
   "anomaly": 4.3,
   "change": 4.3,
   "rank_warm": 9,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19167",
   "name": "Sioux County",
   "path": "us/ia/sioux-county",
   "value": 66.8,
   "normal": 62.5,
   "anomaly": 4.3,
   "change": 4.3,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19181",
   "name": "Warren County",
   "path": "us/ia/warren-county",
   "value": 69.6,
   "normal": 65.3,
   "anomaly": 4.3,
   "change": 4.3,
   "rank_warm": 11,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19061",
   "name": "Dubuque County",
   "path": "us/ia/dubuque-county",
   "value": 67.1,
   "normal": 62.9,
   "anomaly": 4.2,
   "change": 4.2,
   "rank_warm": 7,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19105",
   "name": "Jones County",
   "path": "us/ia/jones-county",
   "value": 67.7,
   "normal": 63.5,
   "anomaly": 4.2,
   "change": 4.2,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19131",
   "name": "Mitchell County",
   "path": "us/ia/mitchell-county",
   "value": 65.6,
   "normal": 61.4,
   "anomaly": 4.2,
   "change": 4.2,
   "rank_warm": 6,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19169",
   "name": "Story County",
   "path": "us/ia/story-county",
   "value": 68.1,
   "normal": 63.9,
   "anomaly": 4.2,
   "change": 4.2,
   "rank_warm": 9,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19195",
   "name": "Worth County",
   "path": "us/ia/worth-county",
   "value": 65.8,
   "normal": 61.6,
   "anomaly": 4.2,
   "change": 4.2,
   "rank_warm": 6,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19021",
   "name": "Buena Vista County",
   "path": "us/ia/buena-vista-county",
   "value": 66.7,
   "normal": 62.6,
   "anomaly": 4.1,
   "change": 4.1,
   "rank_warm": 14,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19025",
   "name": "Calhoun County",
   "path": "us/ia/calhoun-county",
   "value": 67.4,
   "normal": 63.3,
   "anomaly": 4.1,
   "change": 4.1,
   "rank_warm": 11,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19083",
   "name": "Hardin County",
   "path": "us/ia/hardin-county",
   "value": 67,
   "normal": 62.9,
   "anomaly": 4.1,
   "change": 4.1,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19189",
   "name": "Winnebago County",
   "path": "us/ia/winnebago-county",
   "value": 65.8,
   "normal": 61.7,
   "anomaly": 4.1,
   "change": 4.1,
   "rank_warm": 9,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19015",
   "name": "Boone County",
   "path": "us/ia/boone-county",
   "value": 68,
   "normal": 64,
   "anomaly": 4,
   "change": 4,
   "rank_warm": 9,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19063",
   "name": "Emmet County",
   "path": "us/ia/emmet-county",
   "value": 66,
   "normal": 62,
   "anomaly": 4,
   "change": 4,
   "rank_warm": 7,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19067",
   "name": "Floyd County",
   "path": "us/ia/floyd-county",
   "value": 66.2,
   "normal": 62.2,
   "anomaly": 4,
   "change": 4,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19075",
   "name": "Grundy County",
   "path": "us/ia/grundy-county",
   "value": 66.9,
   "normal": 62.9,
   "anomaly": 4,
   "change": 4,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19153",
   "name": "Polk County",
   "path": "us/ia/polk-county",
   "value": 69,
   "normal": 65,
   "anomaly": 4,
   "change": 4,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19033",
   "name": "Cerro Gordo County",
   "path": "us/ia/cerro-gordo-county",
   "value": 65.9,
   "normal": 62,
   "anomaly": 3.9,
   "change": 3.9,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19043",
   "name": "Clayton County",
   "path": "us/ia/clayton-county",
   "value": 66.2,
   "normal": 62.3,
   "anomaly": 3.9,
   "change": 3.9,
   "rank_warm": 9,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19011",
   "name": "Benton County",
   "path": "us/ia/benton-county",
   "value": 67.1,
   "normal": 63.3,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 11,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19013",
   "name": "Black Hawk County",
   "path": "us/ia/black-hawk-county",
   "value": 66.8,
   "normal": 63,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 9,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19037",
   "name": "Chickasaw County",
   "path": "us/ia/chickasaw-county",
   "value": 65.2,
   "normal": 61.4,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19089",
   "name": "Howard County",
   "path": "us/ia/howard-county",
   "value": 64.5,
   "normal": 60.7,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 8,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19141",
   "name": "O'Brien County",
   "path": "us/ia/obrien-county",
   "value": 66,
   "normal": 62.2,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 16,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19147",
   "name": "Palo Alto County",
   "path": "us/ia/palo-alto-county",
   "value": 66.3,
   "normal": 62.5,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19171",
   "name": "Tama County",
   "path": "us/ia/tama-county",
   "value": 67.2,
   "normal": 63.4,
   "anomaly": 3.8,
   "change": 3.8,
   "rank_warm": 11,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19109",
   "name": "Kossuth County",
   "path": "us/ia/kossuth-county",
   "value": 66.1,
   "normal": 62.4,
   "anomaly": 3.7,
   "change": 3.7,
   "rank_warm": 13,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19143",
   "name": "Osceola County",
   "path": "us/ia/osceola-county",
   "value": 65.4,
   "normal": 61.7,
   "anomaly": 3.7,
   "change": 3.7,
   "rank_warm": 15,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19017",
   "name": "Bremer County",
   "path": "us/ia/bremer-county",
   "value": 66,
   "normal": 62.4,
   "anomaly": 3.6,
   "change": 3.6,
   "rank_warm": 11,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19151",
   "name": "Pocahontas County",
   "path": "us/ia/pocahontas-county",
   "value": 66.4,
   "normal": 62.8,
   "anomaly": 3.6,
   "change": 3.6,
   "rank_warm": 13,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19023",
   "name": "Butler County",
   "path": "us/ia/butler-county",
   "value": 66.3,
   "normal": 62.8,
   "anomaly": 3.5,
   "change": 3.5,
   "rank_warm": 12,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19041",
   "name": "Clay County",
   "path": "us/ia/clay-county",
   "value": 65.9,
   "normal": 62.4,
   "anomaly": 3.5,
   "change": 3.5,
   "rank_warm": 14,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19079",
   "name": "Hamilton County",
   "path": "us/ia/hamilton-county",
   "value": 66.6,
   "normal": 63.1,
   "anomaly": 3.5,
   "change": 3.5,
   "rank_warm": 10,
   "n": 132,
   "verdict": "Much warmer than normal",
   "category": "much-warmer",
   "shape": true
  },
  {
   "id": "us-county-19081",
   "name": "Hancock County",
   "path": "us/ia/hancock-county",
   "value": 65.6,
   "normal": 62.1,
   "anomaly": 3.5,
   "change": 3.5,
   "rank_warm": 14,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19059",
   "name": "Dickinson County",
   "path": "us/ia/dickinson-county",
   "value": 65.3,
   "normal": 62,
   "anomaly": 3.3,
   "change": 3.3,
   "rank_warm": 15,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19065",
   "name": "Fayette County",
   "path": "us/ia/fayette-county",
   "value": 65.1,
   "normal": 61.8,
   "anomaly": 3.3,
   "change": 3.3,
   "rank_warm": 15,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19187",
   "name": "Webster County",
   "path": "us/ia/webster-county",
   "value": 66.4,
   "normal": 63.1,
   "anomaly": 3.3,
   "change": 3.3,
   "rank_warm": 14,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19069",
   "name": "Franklin County",
   "path": "us/ia/franklin-county",
   "value": 65.6,
   "normal": 62.4,
   "anomaly": 3.2,
   "change": 3.2,
   "rank_warm": 17,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19191",
   "name": "Winneshiek County",
   "path": "us/ia/winneshiek-county",
   "value": 64.4,
   "normal": 61.3,
   "anomaly": 3.1,
   "change": 3.1,
   "rank_warm": 15,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19197",
   "name": "Wright County",
   "path": "us/ia/wright-county",
   "value": 65.5,
   "normal": 62.5,
   "anomaly": 3,
   "change": 3,
   "rank_warm": 20,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19091",
   "name": "Humboldt County",
   "path": "us/ia/humboldt-county",
   "value": 65.7,
   "normal": 62.9,
   "anomaly": 2.8,
   "change": 2.8,
   "rank_warm": 22,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  },
  {
   "id": "us-county-19005",
   "name": "Allamakee County",
   "path": "us/ia/allamakee-county",
   "value": 64.5,
   "normal": 62,
   "anomaly": 2.5,
   "change": 2.5,
   "rank_warm": 23,
   "n": 132,
   "verdict": "Warmer than normal",
   "category": "warmer",
   "shape": true
  }
 ],
 "no_data": [],
 "noaa_only": [],
 "charts": [
  {
   "id": "climate-state-history",
   "title": "Every September since 1895, Iowa statewide",
   "description": "September 2026 averaged 68.3°F, +4.6°F against the 1991–2020 normal: the 5th warmest September of 132 since 1895.",
   "indicator": "Monthly average temperature, °F (NOAA nClimDiv via climatedata.dev); normal = NOAA's 1991–2020 normal for that month",
   "subtitle": "Average temperature, °F. 2026 is highlighted; the line is the 1991–2020 normal.",
   "x": {
    "kind": "year"
   },
   "y": {
    "digits": 1,
    "unit": "°F"
   },
   "layers": [
    {
     "type": "dots",
     "name": "September average",
     "cls": "ctx",
     "points": [
      [
       1895,
       66.8
      ],
      [
       1896,
       57.4
      ],
      [
       1897,
       70
      ],
      [
       1898,
       64.5
      ],
      [
       1899,
       61.7
      ],
      [
       1900,
       63.8
      ],
      [
       1901,
       62.4
      ],
      [
       1902,
       58.2
      ],
      [
       1903,
       60.1
      ],
      [
       1904,
       63.1
      ],
      [
       1905,
       65
      ],
      [
       1906,
       66.3
      ],
      [
       1907,
       61.9
      ],
      [
       1908,
       67
      ],
      [
       1909,
       61.5
      ],
      [
       1910,
       62.4
      ],
      [
       1911,
       64.8
      ],
      [
       1912,
       61.3
      ],
      [
       1913,
       63.5
      ],
      [
       1914,
       63.6
      ],
      [
       1915,
       62.8
      ],
      [
       1916,
       61.7
      ],
      [
       1917,
       61.8
      ],
      [
       1918,
       57.5
      ],
      [
       1919,
       66.4
      ],
      [
       1920,
       65.4
      ],
      [
       1921,
       66.2
      ],
      [
       1922,
       66
      ],
      [
       1923,
       63.2
      ],
      [
       1924,
       57.8
      ],
      [
       1925,
       67.9
      ],
      [
       1926,
       62
      ],
      [
       1927,
       66.3
      ],
      [
       1928,
       59.5
      ],
      [
       1929,
       61.4
      ],
      [
       1930,
       65.2
      ],
      [
       1931,
       70
      ],
      [
       1932,
       61.1
      ],
      [
       1933,
       68.4
      ],
      [
       1934,
       59.9
      ],
      [
       1935,
       64
      ],
      [
       1936,
       67
      ],
      [
       1937,
       64.9
      ],
      [
       1938,
       65.8
      ],
      [
       1939,
       68.2
      ],
      [
       1940,
       64.9
      ],
      [
       1941,
       65.4
      ],
      [
       1942,
       60.2
      ],
      [
       1943,
       59
      ],
      [
       1944,
       63.2
      ],
      [
       1945,
       61.8
      ],
      [
       1946,
       62.1
      ],
      [
       1947,
       66.4
      ],
      [
       1948,
       66.8
      ],
      [
       1949,
       58.2
      ],
      [
       1950,
       62
      ],
      [
       1951,
       58.7
      ],
      [
       1952,
       63.8
      ],
      [
       1953,
       63.7
      ],
      [
       1954,
       65.1
      ],
      [
       1955,
       65.4
      ],
      [
       1956,
       62.2
      ],
      [
       1957,
       59.9
      ],
      [
       1958,
       63.6
      ],
      [
       1959,
       62.7
      ],
      [
       1960,
       64.4
      ],
      [
       1961,
       61
      ],
      [
       1962,
       59.8
      ],
      [
       1963,
       64.1
      ],
      [
       1964,
       62.1
      ],
      [
       1965,
       58.8
      ],
      [
       1966,
       60.5
      ],
      [
       1967,
       60.1
      ],
      [
       1968,
       61.8
      ],
      [
       1969,
       62.9
      ],
      [
       1970,
       62.9
      ],
      [
       1971,
       64.9
      ],
      [
       1972,
       62.9
      ],
      [
       1973,
       62.2
      ],
      [
       1974,
       58.3
      ],
      [
       1975,
       58.7
      ],
      [
       1976,
       62.4
      ],
      [
       1977,
       63.7
      ],
      [
       1978,
       67.5
      ],
      [
       1979,
       64.2
      ],
      [
       1980,
       64.3
      ],
      [
       1981,
       62.7
      ],
      [
       1982,
       61.8
      ],
      [
       1983,
       64.2
      ],
      [
       1984,
       61.1
      ],
      [
       1985,
       62.7
      ],
      [
       1986,
       64.7
      ],
      [
       1987,
       62.8
      ],
      [
       1988,
       64.7
      ],
      [
       1989,
       60.5
      ],
      [
       1990,
       66.2
      ],
      [
       1991,
       62.4
      ],
      [
       1992,
       60.8
      ],
      [
       1993,
       57.4
      ],
      [
       1994,
       64.3
      ],
      [
       1995,
       60.2
      ],
      [
       1996,
       60.7
      ],
      [
       1997,
       64.2
      ],
      [
       1998,
       68.2
      ],
      [
       1999,
       61.3
      ],
      [
       2000,
       64.6
      ],
      [
       2001,
       61.2
      ],
      [
       2002,
       65.3
      ],
      [
       2003,
       61.1
      ],
      [
       2004,
       66.4
      ],
      [
       2005,
       67.6
      ],
      [
       2006,
       60
      ],
      [
       2007,
       64.7
      ],
      [
       2008,
       63.5
      ],
      [
       2009,
       63.3
      ],
      [
       2010,
       63.1
      ],
      [
       2011,
       60.2
      ],
      [
       2012,
       62.1
      ],
      [
       2013,
       67
      ],
      [
       2014,
       62
      ],
      [
       2015,
       68.4
      ],
      [
       2016,
       67.3
      ],
      [
       2017,
       66.7
      ],
      [
       2018,
       65.9
      ],
      [
       2019,
       68.2
      ],
      [
       2020,
       61.9
      ],
      [
       2021,
       66.6
      ],
      [
       2022,
       65.1
      ],
      [
       2023,
       67.2
      ],
      [
       2024,
       66.7
      ],
      [
       2025,
       66.9
      ]
     ]
    },
    {
     "type": "rule",
     "name": "1991–2020 normal",
     "y": 63.7,
     "label": "normal 63.7°F"
    },
    {
     "type": "mark",
     "name": "September 2026",
     "series": "September average",
     "x": 2026,
     "y": 68.3,
     "label": "2026: 68.3°F"
    }
   ]
  }
 ],
 "limits": [
  "A statewide average is not the average of its counties: NOAA computes it from its own grid, weighted by area.",
  "The most recent months are preliminary and NOAA revises them in the next release."
 ],
 "method": "Each month is ranked against the same month in every year on record (since 1895 for most places). The top tenth of the record is 'much warmer than normal', the top third 'warmer', the middle third 'near normal'. Counties are coloured by the same five words.",
 "sources": [
  {
   "name": "climatedata.dev us-climate, version 2026-10-25.6c7474e6d8",
   "url": "https://climatedata.dev/",
   "license": "U.S. public domain"
  },
  {
   "name": "NOAA Monthly U.S. Climate Divisional Database (nClimDiv), statewide and national files",
   "url": "https://www.ncei.noaa.gov/access/metadata/landing-page/bin/iso?id=gov.noaa.ncdc:C00005",
   "license": "U.S. public domain"
  },
  {
   "name": "climatedata.dev county-climate, version 2026-10-25.b4bbb5298a",
   "url": "https://climatedata.dev/",
   "license": "U.S. public domain"
  }
 ],
 "check": {
  "month": 9,
  "year": 2026,
  "value": 68.3,
  "normal": 63.7,
  "anomaly": 4.6,
  "rank_warm": 5,
  "n": 132,
  "verdict_words": [
   "Much warmer than normal",
   "Warmer than normal",
   "Near normal",
   "Cooler than normal",
   "Much cooler than normal"
  ],
  "code": "0130",
  "dataset": "us-climate",
  "version": "2026-10-25.6c7474e6d8",
  "noaa_sha256": {
   "tavg": "8e83b1a8e830d9f4cd87bbc17c3f80c534cde7b7015be8132964ecbff7a8441b",
   "tavg_normals": "5d3177ac26c9ce469da153d518b61d370e1493286908ee86846fae75102b414f",
   "pcpn": "4cb027fcacaa077dab05efe53c4a8a0a10a153c62e19cbdf3564410064e1015a"
  },
  "noaa_county_sha256": {
   "tavg": "edf9a954c7d7a5bed5ad32e448cfc78aacbf01261b94a4c5224094535108a489",
   "tavg_normals": "dbff5215d9471d6a94c5fd969ed2e168c680cabfd455b1c3764bd96e8d6f667a",
   "pcpn": "739fc3e9b529e04d406e914be1add2736ca3129c1103246ccebc2e5c76fd9d3a"
  }
 },
 "api": {
  "now": "/data/topics/climate/us-ia.json",
  "source": "https://api.climatedata.dev/v1/us-climate/tavg/us-ia.json",
  "source_label": "The climatedata.dev API it comes from (live, no key; every month since 1895 with its normal, anomaly and rank)"
 },
 "generated_at": "2026-10-26T14:11:42+00:00"
}