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Built 2026-10-19 (19 October 2026)

Stillwater Rgnl AP Threshold Days by Year (USW00003965)

17 fixed thresholds counted per year at Stillwater Rgnl AP (USW00003965): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stillwater Rgnl AP Thresholds

  • Stillwater Rgnl AP: days with a maximum temperature at or above 30 C (86 F) in 29 years, most in 2024 with 148.
  • Stillwater Rgnl AP: days with a maximum temperature at or above 35 C (95 F) in 29 years, most in 2011 with 88.
  • Stillwater Rgnl AP: days with a maximum temperature at or above 90 F (32.2 C) in 29 years, most in 2024 with 119.
  • Stillwater Rgnl AP: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 2013 with 102.
  • 17 fixed thresholds have at least one qualifying day at Stillwater Rgnl AP.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Stillwater Rgnl AP Days per year at Stillwater Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 2024. 0501001501997: 841998: 1251999: 832000: 1032001: 1042002: 1012003: 1002004: 912005: 1232006: 1352007: 882008: 1092009: 1002010: 1312011: 1322012: 1352013: 1112014: 1302015: 1072016: 1222017: 1212018: 1252019: 1242020: 1232021: 1172022: 1402023: 1332024: 1482025: 1151997200020032006200920122015201820212024
Days per year at Stillwater Rgnl AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 148 in 2024.
Days at or above 30 C (86 F) per year at Stillwater Rgnl AP
YearDaysDecade average
19978497.3
199812597.3
19998397.3
2000103105.4
2001104105.4
2002101105.4
2003100105.4
200491105.4
2005123105.4
2006135105.4
200788105.4
2008109105.4
2009100105.4
2010131123.8
2011132123.8
2012135123.8
2013111123.8
2014130123.8
2015107123.8
2016122123.8
2017121123.8
2018125123.8
2019124123.8
2020123129.3
2021117129.3
2022140129.3
2023133129.3
2024148129.3
2025115129.3
First to last qualifying date each year at Stillwater Rgnl AP For each year, a bar from the first to the last day at Stillwater Rgnl AP meeting 30 C (86 F). 1997: 21 March 1997 to 6 October 19971998: 14 April 1998 to 30 September 19981999: 20 April 1999 to 15 October 19992000: 5 April 2000 to 4 October 20002001: 3 April 2001 to 4 October 20012002: 17 April 2002 to 3 October 20022003: 13 April 2003 to 24 October 20032004: 16 April 2004 to 21 October 20042005: 10 May 2005 to 7 November 20052006: 1 March 2006 to 8 November 20062007: 2 April 2007 to 20 October 20072008: 21 April 2008 to 10 October 20082009: 5 March 2009 to 27 September 20092010: 31 March 2010 to 21 October 20102011: 17 March 2011 to 16 October 20112012: 13 March 2012 to 2 November 20122013: 29 April 2013 to 11 October 20132014: 2 April 2014 to 26 October 20142015: 31 March 2015 to 15 October 20152016: 5 April 2016 to 16 November 20162017: 11 February 2017 to 14 October 20172018: 12 April 2018 to 5 October 20182019: 9 April 2019 to 5 October 20192020: 25 March 2020 to 22 October 20202021: 8 May 2021 to 23 October 20212022: 9 April 2022 to 23 October 20222023: 3 April 2023 to 7 November 20232024: 26 February 2024 to 29 October 20242025: 13 March 2025 to 17 October 202519972001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stillwater Rgnl AP meeting 30 C (86 F).
First to last qualifying date each year at Stillwater Rgnl AP
YearFirst dateLast date
19971997-03-211997-10-06
19981998-04-141998-09-30
19991999-04-201999-10-15
20002000-04-052000-10-04
20012001-04-032001-10-04
20022002-04-172002-10-03
20032003-04-132003-10-24
20042004-04-162004-10-21
20052005-05-102005-11-07
20062006-03-012006-11-08
20072007-04-022007-10-20
20082008-04-212008-10-10
20092009-03-052009-09-27
20102010-03-312010-10-21
20112011-03-172011-10-16
20122012-03-132012-11-02
20132013-04-292013-10-11
20142014-04-022014-10-26
20152015-03-312015-10-15
20162016-04-052016-11-16
20172017-02-112017-10-14
20182018-04-122018-10-05
20192019-04-092019-10-05
20202020-03-252020-10-22
20212021-05-082021-10-23
20222022-04-092022-10-23
20232023-04-032023-11-07
20242024-02-262024-10-29
20252025-03-132025-10-17

Every Fixed Threshold

Fixed thresholds at Stillwater Rgnl AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days291482024115
35 C (95 F): Days2988201126
40 C (104 F): Days204220115
45 C (113 F): Days2220111
90 F (32.2 C): Days29119202473
100 F (37.8 C): Days286520116
110 F (43.3 C): Days5920111
0 C (32 F): Ice days (max2815200011
0 C (32 F): Frost days (min29102201384
-10 C (14 F): Days with min2917201112
-20 C (-4 F): Days with min3220211
20 C (68 F): Tropical nights (min2994201059
25 C (77 F): Days with min2728201110
10 mm (0.39 in): Days with 10 mm or more rain2739201924
25 mm (0.98 in): Days with 25 mm or more rain271720077
50 mm (1.97 in): Days with 50 mm or more rain22520071
100 mm (3.94 in): Days with 100 mm or more rain2120071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Stillwater Rgnl 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).