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Built 2026-10-15 (15 October 2026)

Whitmore California Threshold Days by Year

11 fixed thresholds counted per year at Whitmore California (USR0000CWHT): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Whitmore California Thresholds

  • Whitmore California: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2001 with 122.
  • Whitmore California: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 1994 with 72.
  • Whitmore California: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1994 with 104.
  • Whitmore California: days with a maximum temperature at or above 100 F (37.8 C) in 33 years, most in 1996 with 38.
  • 11 fixed thresholds have at least one qualifying day at Whitmore California.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Whitmore California Days per year at Whitmore California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 2001. 0501001501991: 1021992: 891993: 721994: 1171995: 921996: 1161997: 1081998: 911999: 1032000: 1042001: 1222002: 1162003: 1222004: 1132005: 962006: 1052007: 972008: 1112009: 1092012: 972013: 1032014: 922015: 1012017: 1112018: 972019: 922020: 1192021: 1152022: 1072023: 962024: 1132025: 1042026: 104199119951999200320072013201820222026
Days per year at Whitmore California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 2001.
Days at or above 30 C (86 F) per year at Whitmore California
YearDaysDecade average
199110298.9
19928998.9
19937298.9
199411798.9
19959298.9
199611698.9
199710898.9
19989198.9
199910398.9
2000104109.5
2001122109.5
2002116109.5
2003122109.5
2004113109.5
200596109.5
2006105109.5
200797109.5
2008111109.5
2009109109.5
20129799
201310399
20149299
201510199
201711199
20189799
20199299
2020119108.3
2021115108.3
2022107108.3
202396108.3
2024113108.3
2025104108.3
2026104108.3
First to last qualifying date each year at Whitmore California For each year, a bar from the first to the last day at Whitmore California meeting 30 C (86 F). 1991: 22 May 1991 to 5 November 19911992: 1 April 1992 to 13 October 19921993: 13 June 1993 to 27 October 19931994: 10 May 1994 to 9 October 19941995: 20 February 1995 to 13 November 19951996: 18 March 1996 to 9 October 19961997: 7 May 1997 to 4 November 19971998: 27 April 1998 to 16 December 19981999: 22 May 1999 to 21 October 19992000: 2 April 2000 to 8 October 20002001: 6 May 2001 to 14 October 20012002: 31 March 2002 to 16 October 20022003: 20 May 2003 to 28 October 20032004: 25 April 2004 to 15 October 20042005: 24 May 2005 to 17 October 20052006: 28 April 2006 to 29 September 20062007: 27 April 2007 to 26 September 20072008: 5 May 2008 to 1 October 20082009: 19 April 2009 to 28 September 20092012: 20 April 2012 to 18 October 20122013: 27 April 2013 to 21 October 20132014: 30 April 2014 to 8 October 20142015: 30 April 2015 to 14 October 20152017: 3 May 2017 to 27 October 20172018: 28 May 2018 to 28 September 20182019: 23 April 2019 to 26 September 20192020: 28 April 2020 to 20 October 20202021: 5 May 2021 to 4 October 20212022: 18 May 2022 to 20 October 20222023: 27 April 2023 to 19 October 20232024: 10 May 2024 to 9 October 20242025: 9 May 2025 to 26 September 20252026: 20 March 2026 to 9 October 20261991199620012006201320192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Whitmore California meeting 30 C (86 F).
First to last qualifying date each year at Whitmore California
YearFirst dateLast date
19911991-05-221991-11-05
19921992-04-011992-10-13
19931993-06-131993-10-27
19941994-05-101994-10-09
19951995-02-201995-11-13
19961996-03-181996-10-09
19971997-05-071997-11-04
19981998-04-271998-12-16
19991999-05-221999-10-21
20002000-04-022000-10-08
20012001-05-062001-10-14
20022002-03-312002-10-16
20032003-05-202003-10-28
20042004-04-252004-10-15
20052005-05-242005-10-17
20062006-04-282006-09-29
20072007-04-272007-09-26
20082008-05-052008-10-01
20092009-04-192009-09-28
20122012-04-202012-10-18
20132013-04-272013-10-21
20142014-04-302014-10-08
20152015-04-302015-10-14
20172017-05-032017-10-27
20182018-05-282018-09-28
20192019-04-232019-09-26
20202020-04-282020-10-20
20212021-05-052021-10-04
20222022-05-182022-10-20
20232023-04-272023-10-19
20242024-05-102024-10-09
20252025-05-092025-09-26
20262026-03-202026-10-09

Every Fixed Threshold

Fixed thresholds at Whitmore California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days331222001104
35 C (95 F): Days3372199446
40 C (104 F): Days321819982
45 C (113 F): Days2120021
90 F (32.2 C): Days33104199483
100 F (37.8 C): Days3338199612
110 F (43.3 C): Days7419982
0 C (32 F): Ice days (max2119981
0 C (32 F): Frost days (min335220017
20 C (68 F): Tropical nights (min3345202427
25 C (77 F): Days with min10620246

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Whitmore California 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-13).