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Built 2026-10-19 (19 October 2026)

Aurora State AP Threshold Days by Year (USW00094281)

14 fixed thresholds counted per year at Aurora State AP (USW00094281): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aurora State AP Thresholds

  • Aurora State AP: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2021 with 55.
  • Aurora State AP: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2022 with 32.
  • Aurora State AP: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2009 with 68.
  • Aurora State AP: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 2017 with 48.
  • 14 fixed thresholds have at least one qualifying day at Aurora State AP.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Aurora State AP Days per year at Aurora State AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 2021. 02040601998: 281999: 332000: 192001: 262002: 362003: 462004: 352005: 302006: 392007: 252008: 292009: 352010: 242011: 182012: 242013: 262014: 432015: 402016: 312017: 522018: 482019: 232020: 412021: 552022: 452023: 502024: 402025: 411998200120042007201020132016201920222025
Days per year at Aurora State AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 55 in 2021.
Days at or above 30 C (86 F) per year at Aurora State AP
YearDaysDecade average
19982830.5
19993330.5
20001932
20012632
20023632
20034632
20043532
20053032
20063932
20072532
20082932
20093532
20102432.9
20111832.9
20122432.9
20132632.9
20144332.9
20154032.9
20163132.9
20175232.9
20184832.9
20192332.9
20204145.3
20215545.3
20224545.3
20235045.3
20244045.3
20254145.3
First to last qualifying date each year at Aurora State AP For each year, a bar from the first to the last day at Aurora State AP meeting 30 C (86 F). 1998: 30 April 1998 to 15 September 19981999: 23 May 1999 to 22 September 19992000: 25 June 2000 to 13 September 20002001: 22 May 2001 to 22 September 20012002: 11 June 2002 to 23 September 20022003: 23 May 2003 to 27 September 20032004: 26 April 2004 to 31 August 20042005: 25 May 2005 to 8 September 20052006: 15 May 2006 to 26 September 20062007: 29 May 2007 to 11 September 20072008: 15 May 2008 to 29 September 20082009: 28 May 2009 to 23 September 20092010: 7 July 2010 to 30 September 20102011: 5 July 2011 to 11 September 20112012: 13 May 2012 to 18 September 20122013: 5 May 2013 to 11 September 20132014: 30 April 2014 to 6 October 20142015: 5 June 2015 to 12 September 20152016: 7 April 2016 to 26 September 20162017: 22 May 2017 to 27 September 20172018: 13 May 2018 to 28 September 20182019: 9 May 2019 to 5 September 20192020: 9 May 2020 to 29 September 20202021: 31 May 2021 to 24 September 20212022: 25 June 2022 to 15 October 20222023: 28 April 2023 to 6 October 20232024: 10 May 2024 to 24 September 20242025: 6 June 2025 to 23 September 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Aurora State AP meeting 30 C (86 F).
First to last qualifying date each year at Aurora State AP
YearFirst dateLast date
19981998-04-301998-09-15
19991999-05-231999-09-22
20002000-06-252000-09-13
20012001-05-222001-09-22
20022002-06-112002-09-23
20032003-05-232003-09-27
20042004-04-262004-08-31
20052005-05-252005-09-08
20062006-05-152006-09-26
20072007-05-292007-09-11
20082008-05-152008-09-29
20092009-05-282009-09-23
20102010-07-072010-09-30
20112011-07-052011-09-11
20122012-05-132012-09-18
20132013-05-052013-09-11
20142014-04-302014-10-06
20152015-06-052015-09-12
20162016-04-072016-09-26
20172017-05-222017-09-27
20182018-05-132018-09-28
20192019-05-092019-09-05
20202020-05-092020-09-29
20212021-05-312021-09-24
20222022-06-252022-10-15
20232023-04-282023-10-06
20242024-05-102024-09-24
20252025-06-062025-09-23

Every Fixed Threshold

Fixed thresholds at Aurora State AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2855202141
35 C (95 F): Days2613201711
40 C (104 F): Days8420212
45 C (113 F): Days1120211
90 F (32.2 C): Days2832202226
100 F (37.8 C): Days20520174
110 F (43.3 C): Days1220212
0 C (32 F): Ice days (max171120134
0 C (32 F): Frost days (min2868200930
-10 C (14 F): Days with min3320092
20 C (68 F): Tropical nights (min11520211
10 mm (0.39 in): Days with 10 mm or more rain2748201728
25 mm (0.98 in): Days with 25 mm or more rain27920065
50 mm (1.97 in): Days with 50 mm or more rain7220121

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Aurora State AP threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).