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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Hernandez California Threshold Days by Year (USR0000CHER)

9 fixed thresholds counted per year at Hernandez California (USR0000CHER): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hernandez California Thresholds

  • Hernandez California: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2003 with 89.
  • Hernandez California: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 2024 with 65.
  • Hernandez California: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2001 with 48.
  • Hernandez California: nights with a minimum temperature at or above 20 C (68 F) in 35 years, most in 2020 with 79.
  • 9 fixed thresholds have at least one qualifying day at Hernandez California.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Hernandez California Days per year at Hernandez California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 2003. 02550751001992: 441993: 381994: 441995: 411996: 661997: 411998: 511999: 492000: 622001: 752002: 672003: 892004: 652005: 612006: 512007: 422008: 562009: 612010: 452011: 502012: 652013: 482014: 612015: 522016: 632017: 692018: 632019: 522020: 782021: 732022: 782023: 512024: 832025: 592026: 69199219962000200420082012201620202024
Days per year at Hernandez California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 89 in 2003.
Days at or above 30 C (86 F) per year at Hernandez California
YearDaysDecade average
19924446.8
19933846.8
19944446.8
19954146.8
19966646.8
19974146.8
19985146.8
19994946.8
20006262.9
20017562.9
20026762.9
20038962.9
20046562.9
20056162.9
20065162.9
20074262.9
20085662.9
20096162.9
20104556.8
20115056.8
20126556.8
20134856.8
20146156.8
20155256.8
20166356.8
20176956.8
20186356.8
20195256.8
20207870.1
20217370.1
20227870.1
20235170.1
20248370.1
20255970.1
20266970.1
First to last qualifying date each year at Hernandez California For each year, a bar from the first to the last day at Hernandez California meeting 30 C (86 F). 1992: 31 May 1992 to 11 October 19921993: 17 June 1993 to 2 October 19931994: 29 May 1994 to 21 September 19941995: 23 June 1995 to 20 September 19951996: 2 June 1996 to 8 October 19961997: 17 May 1997 to 2 November 19971998: 15 June 1998 to 16 September 19981999: 13 June 1999 to 22 October 19992000: 20 May 2000 to 6 October 20002001: 7 May 2001 to 15 October 20012002: 29 May 2002 to 8 October 20022003: 21 May 2003 to 28 October 20032004: 27 April 2004 to 14 October 20042005: 13 June 2005 to 30 September 20052006: 17 May 2006 to 13 September 20062007: 13 June 2007 to 24 October 20072008: 15 May 2008 to 27 September 20082009: 21 April 2009 to 27 September 20092010: 5 June 2010 to 14 October 20102011: 14 June 2011 to 13 October 20112012: 31 May 2012 to 17 October 20122013: 11 May 2013 to 19 September 20132014: 15 May 2014 to 7 October 20142015: 30 May 2015 to 13 October 20152016: 31 May 2016 to 28 September 20162017: 22 May 2017 to 25 October 20172018: 2 June 2018 to 27 September 20182019: 4 June 2019 to 25 September 20192020: 25 May 2020 to 18 October 20202021: 31 May 2021 to 3 October 20212022: 7 April 2022 to 9 October 20222023: 29 June 2023 to 19 October 20232024: 5 June 2024 to 9 October 20242025: 9 May 2025 to 23 September 20252026: 11 May 2026 to 8 October 20261992199720022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hernandez California meeting 30 C (86 F).
First to last qualifying date each year at Hernandez California
YearFirst dateLast date
19921992-05-311992-10-11
19931993-06-171993-10-02
19941994-05-291994-09-21
19951995-06-231995-09-20
19961996-06-021996-10-08
19971997-05-171997-11-02
19981998-06-151998-09-16
19991999-06-131999-10-22
20002000-05-202000-10-06
20012001-05-072001-10-15
20022002-05-292002-10-08
20032003-05-212003-10-28
20042004-04-272004-10-14
20052005-06-132005-09-30
20062006-05-172006-09-13
20072007-06-132007-10-24
20082008-05-152008-09-27
20092009-04-212009-09-27
20102010-06-052010-10-14
20112011-06-142011-10-13
20122012-05-312012-10-17
20132013-05-112013-09-19
20142014-05-152014-10-07
20152015-05-302015-10-13
20162016-05-312016-09-28
20172017-05-222017-10-25
20182018-06-022018-09-27
20192019-06-042019-09-25
20202020-05-252020-10-18
20212021-05-312021-10-03
20222022-04-072022-10-09
20232023-06-292023-10-19
20242024-06-052024-10-09
20252025-05-092025-09-23
20262026-05-112026-10-08

Every Fixed Threshold

Fixed thresholds at Hernandez California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3589200369
35 C (95 F): Days342820248
40 C (104 F): Days3119981
90 F (32.2 C): Days3565202444
100 F (37.8 C): Days20519985
0 C (32 F): Ice days (max4220111
0 C (32 F): Frost days (min354820015
20 C (68 F): Tropical nights (min3579202066
25 C (77 F): Days with min312320247

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 Hernandez 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).