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Built 2026-10-19 (19 October 2026)

Brooks California Threshold Days by Year (USR0000CBRO)

10 fixed thresholds counted per year at Brooks California (USR0000CBRO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brooks California Thresholds

  • Brooks California: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2020 with 154.
  • Brooks California: days with a maximum temperature at or above 35 C (95 F) in 35 years, most in 2020 with 99.
  • Brooks California: days with a maximum temperature at or above 40 C (104 F) in 35 years, most in 2021 with 33.
  • Brooks California: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 2020 with 136.
  • 10 fixed thresholds have at least one qualifying day at Brooks California.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Brooks California Days per year at Brooks California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 154 in 2020. 0501001502001991: 1061992: 1251993: 1111994: 1241995: 1151996: 1311997: 1391998: 921999: 1252000: 1192001: 1442002: 1352003: 1492004: 1512005: 1202006: 1352007: 1332008: 1412009: 1302010: 1182011: 1122012: 1412013: 1342014: 1462015: 1432016: 1282017: 1372018: 1372020: 1542021: 1472022: 1422023: 1292024: 1502025: 1342026: 145199119951999200320072011201520202024
Days per year at Brooks California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 154 in 2020.
Days at or above 30 C (86 F) per year at Brooks California
YearDaysDecade average
1991106118.7
1992125118.7
1993111118.7
1994124118.7
1995115118.7
1996131118.7
1997139118.7
199892118.7
1999125118.7
2000119135.7
2001144135.7
2002135135.7
2003149135.7
2004151135.7
2005120135.7
2006135135.7
2007133135.7
2008141135.7
2009130135.7
2010118132.9
2011112132.9
2012141132.9
2013134132.9
2014146132.9
2015143132.9
2016128132.9
2017137132.9
2018137132.9
2020154143
2021147143
2022142143
2023129143
2024150143
2025134143
2026145143
First to last qualifying date each year at Brooks California For each year, a bar from the first to the last day at Brooks California meeting 30 C (86 F). 1991: 21 May 1991 to 21 October 19911992: 19 April 1992 to 13 October 19921993: 28 April 1993 to 27 October 19931994: 15 April 1994 to 8 October 19941995: 19 May 1995 to 27 October 19951996: 25 April 1996 to 15 October 19961997: 15 April 1997 to 1 November 19971998: 27 April 1998 to 21 October 19981999: 17 April 1999 to 22 October 19992000: 2 April 2000 to 7 October 20002001: 25 April 2001 to 24 October 20012002: 29 March 2002 to 14 October 20022003: 13 May 2003 to 29 October 20032004: 14 March 2004 to 15 October 20042005: 2 May 2005 to 17 October 20052006: 27 April 2006 to 22 October 20062007: 15 March 2007 to 23 October 20072008: 11 April 2008 to 26 October 20082009: 18 April 2009 to 2 October 20092010: 3 May 2010 to 16 October 20102011: 4 May 2011 to 29 October 20112012: 20 April 2012 to 18 October 20122013: 10 April 2013 to 23 October 20132014: 20 April 2014 to 13 October 20142015: 29 March 2015 to 31 October 20152016: 6 April 2016 to 10 October 20162017: 30 April 2017 to 28 October 20172018: 29 March 2018 to 3 November 20182020: 22 April 2020 to 2 November 20202021: 1 April 2021 to 4 October 20212022: 22 March 2022 to 21 October 20222023: 22 April 2023 to 20 October 20232024: 20 April 2024 to 19 October 20242025: 14 April 2025 to 29 October 20252026: 16 March 2026 to 9 October 20261991199620012006201120162022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brooks California meeting 30 C (86 F).
First to last qualifying date each year at Brooks California
YearFirst dateLast date
19911991-05-211991-10-21
19921992-04-191992-10-13
19931993-04-281993-10-27
19941994-04-151994-10-08
19951995-05-191995-10-27
19961996-04-251996-10-15
19971997-04-151997-11-01
19981998-04-271998-10-21
19991999-04-171999-10-22
20002000-04-022000-10-07
20012001-04-252001-10-24
20022002-03-292002-10-14
20032003-05-132003-10-29
20042004-03-142004-10-15
20052005-05-022005-10-17
20062006-04-272006-10-22
20072007-03-152007-10-23
20082008-04-112008-10-26
20092009-04-182009-10-02
20102010-05-032010-10-16
20112011-05-042011-10-29
20122012-04-202012-10-18
20132013-04-102013-10-23
20142014-04-202014-10-13
20152015-03-292015-10-31
20162016-04-062016-10-10
20172017-04-302017-10-28
20182018-03-292018-11-03
20202020-04-222020-11-02
20212021-04-012021-10-04
20222022-03-222022-10-21
20232023-04-222023-10-20
20242024-04-202024-10-19
20252025-04-142025-10-29
20262026-03-162026-10-09

Every Fixed Threshold

Fixed thresholds at Brooks California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days351542020145
35 C (95 F): Days3599202081
40 C (104 F): Days3533202117
45 C (113 F): Days7320223
90 F (32.2 C): Days351362020119
100 F (37.8 C): Days3566202440
110 F (43.3 C): Days20920178
0 C (32 F): Frost days (min353419994
20 C (68 F): Tropical nights (min3534202214
25 C (77 F): Days with min16420202

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 Brooks 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).