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Data as of 2026-10-14
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Built 2026-10-15 (15 October 2026)

Sims California Threshold Days by Year

12 fixed thresholds counted per year at Sims California (USR0000CSIM): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sims California Thresholds

  • Sims California: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 2001 with 127.
  • Sims California: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 2014 with 74.
  • Sims California: days with a maximum temperature at or above 40 C (104 F) in 25 years, most in 2003 with 27.
  • Sims California: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 2003 with 105.
  • 12 fixed thresholds have at least one qualifying day at Sims California.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Sims California Days per year at Sims California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 2001. 0501001501992: 1181994: 1082001: 1272003: 1242005: 952006: 1162007: 1072008: 1192009: 1192010: 902011: 972012: 1222013: 1112014: 1262016: 1032017: 1162018: 1022019: 1012020: 1202021: 1202022: 1082023: 1002024: 1222025: 1172026: 110199220032007201020132017202020232026
Days per year at Sims California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 127 in 2001.
Days at or above 30 C (86 F) per year at Sims California
YearDaysDecade average
1992118113
1994108113
2001127115.3
2003124115.3
200595115.3
2006116115.3
2007107115.3
2008119115.3
2009119115.3
201090107.6
201197107.6
2012122107.6
2013111107.6
2014126107.6
2016103107.6
2017116107.6
2018102107.6
2019101107.6
2020120113.9
2021120113.9
2022108113.9
2023100113.9
2024122113.9
2025117113.9
2026110113.9
First to last qualifying date each year at Sims California For each year, a bar from the first to the last day at Sims California meeting 30 C (86 F). 1992: 1 April 1992 to 24 October 19921994: 9 May 1994 to 7 October 19942001: 24 April 2001 to 14 October 20012003: 30 March 2003 to 28 October 20032005: 8 March 2005 to 17 October 20052006: 27 April 2006 to 22 October 20062007: 5 April 2007 to 26 September 20072008: 27 April 2008 to 26 October 20082009: 18 April 2009 to 9 October 20092010: 30 May 2010 to 14 October 20102011: 5 May 2011 to 18 October 20112012: 20 April 2012 to 18 October 20122013: 25 April 2013 to 23 October 20132014: 11 April 2014 to 11 October 20142016: 6 April 2016 to 28 September 20162017: 1 May 2017 to 28 October 20172018: 25 April 2018 to 20 October 20182019: 18 April 2019 to 7 October 20192020: 28 April 2020 to 2 November 20202021: 18 April 2021 to 3 October 20212022: 7 April 2022 to 20 October 20222023: 26 April 2023 to 20 October 20232024: 10 May 2024 to 14 October 20242025: 15 April 2025 to 27 September 20252026: 17 March 2026 to 9 October 20261992200520092013201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sims California meeting 30 C (86 F).
First to last qualifying date each year at Sims California
YearFirst dateLast date
19921992-04-011992-10-24
19941994-05-091994-10-07
20012001-04-242001-10-14
20032003-03-302003-10-28
20052005-03-082005-10-17
20062006-04-272006-10-22
20072007-04-052007-09-26
20082008-04-272008-10-26
20092009-04-182009-10-09
20102010-05-302010-10-14
20112011-05-052011-10-18
20122012-04-202012-10-18
20132013-04-252013-10-23
20142014-04-112014-10-11
20162016-04-062016-09-28
20172017-05-012017-10-28
20182018-04-252018-10-20
20192019-04-182019-10-07
20202020-04-282020-11-02
20212021-04-182021-10-03
20222022-04-072022-10-20
20232023-04-262023-10-20
20242024-05-102024-10-14
20252025-04-152025-09-27
20262026-03-172026-10-09

Every Fixed Threshold

Fixed thresholds at Sims California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days251272001110
35 C (95 F): Days2574201453
40 C (104 F): Days252720035
45 C (113 F): Days8220031
90 F (32.2 C): Days25105200383
100 F (37.8 C): Days2545200318
110 F (43.3 C): Days16620065
0 C (32 F): Ice days (max9220211
0 C (32 F): Frost days (min2583200611
-10 C (14 F): Days with min1120131
20 C (68 F): Tropical nights (min253020216
25 C (77 F): Days with min1220132

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for Sims 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).