Built 2026-10-16 (16 October 2026)

Callahan California Threshold Days by Year

10 fixed thresholds counted per year at Callahan California (USR0000CCAL): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Callahan California Thresholds

  • Callahan California: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1992 with 105.
  • Callahan California: days with a maximum temperature at or above 35 C (95 F) in 33 years, most in 1992 with 40.
  • Callahan California: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 2001 with 76.
  • Callahan California: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1990 with 155.
  • 10 fixed thresholds have at least one qualifying day at Callahan California.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Callahan California Days per year at Callahan California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 1992. 0501001501989: 811990: 701991: 871992: 1051993: 581994: 991995: 651997: 801998: 831999: 922000: 762001: 1002006: 842007: 762008: 872009: 842010: 732011: 772012: 982013: 762014: 902015: 832016: 802017: 932018: 802019: 742020: 882021: 762022: 862023: 742024: 912025: 882026: 94198919931998200620102014201820222026
Days per year at Callahan California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 1992.
Days at or above 30 C (86 F) per year at Callahan California
YearDaysDecade average
19898181
19907082.1
19918782.1
199210582.1
19935882.1
19949982.1
19956582.1
19978082.1
19988382.1
19999282.1
20007684.5
200110084.5
20068484.5
20077684.5
20088784.5
20098484.5
20107382.4
20117782.4
20129882.4
20137682.4
20149082.4
20158382.4
20168082.4
20179382.4
20188082.4
20197482.4
20208885.3
20217685.3
20228685.3
20237485.3
20249185.3
20258885.3
20269485.3
First to last qualifying date each year at Callahan California For each year, a bar from the first to the last day at Callahan California meeting 30 C (86 F). 1989: 7 May 1989 to 23 September 19891990: 14 April 1990 to 30 September 19901991: 1 June 1991 to 8 October 19911992: 3 May 1992 to 12 October 19921993: 9 May 1993 to 3 October 19931994: 9 May 1994 to 27 September 19941995: 28 May 1995 to 19 September 19951997: 8 May 1997 to 29 September 19971998: 1 June 1998 to 30 September 19981999: 23 May 1999 to 11 October 19992000: 21 May 2000 to 20 September 20002001: 7 May 2001 to 4 October 20012006: 14 May 2006 to 29 September 20062007: 28 April 2007 to 12 September 20072008: 15 May 2008 to 29 September 20082009: 20 April 2009 to 27 September 20092010: 13 June 2010 to 2 October 20102011: 14 June 2011 to 29 September 20112012: 8 May 2012 to 4 October 20122013: 3 May 2013 to 19 September 20132014: 1 May 2014 to 6 October 20142015: 29 May 2015 to 14 October 20152016: 18 May 2016 to 28 September 20162017: 22 May 2017 to 13 September 20172018: 2 June 2018 to 28 September 20182019: 11 May 2019 to 26 September 20192020: 8 May 2020 to 2 October 20202021: 29 April 2021 to 3 October 20212022: 25 May 2022 to 14 October 20222023: 13 May 2023 to 18 September 20232024: 11 May 2024 to 7 October 20242025: 27 May 2025 to 27 September 20252026: 9 May 2026 to 9 October 20261989199420002009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Callahan California meeting 30 C (86 F).
First to last qualifying date each year at Callahan California
YearFirst dateLast date
19891989-05-071989-09-23
19901990-04-141990-09-30
19911991-06-011991-10-08
19921992-05-031992-10-12
19931993-05-091993-10-03
19941994-05-091994-09-27
19951995-05-281995-09-19
19971997-05-081997-09-29
19981998-06-011998-09-30
19991999-05-231999-10-11
20002000-05-212000-09-20
20012001-05-072001-10-04
20062006-05-142006-09-29
20072007-04-282007-09-12
20082008-05-152008-09-29
20092009-04-202009-09-27
20102010-06-132010-10-02
20112011-06-142011-09-29
20122012-05-082012-10-04
20132013-05-032013-09-19
20142014-05-012014-10-06
20152015-05-292015-10-14
20162016-05-182016-09-28
20172017-05-222017-09-13
20182018-06-022018-09-28
20192019-05-112019-09-26
20202020-05-082020-10-02
20212021-04-292021-10-03
20222022-05-252022-10-14
20232023-05-132023-09-18
20242024-05-112024-10-07
20252025-05-272025-09-27
20262026-05-092026-10-09

Every Fixed Threshold

Fixed thresholds at Callahan California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days33105199294
35 C (95 F): Days3340199231
40 C (104 F): Days22719923
90 F (32.2 C): Days3376200165
100 F (37.8 C): Days312019928
0 C (32 F): Ice days (max23519981
0 C (32 F): Frost days (min33155199036
-10 C (14 F): Days with min181619902
-20 C (-4 F): Days with min1219902
20 C (68 F): Tropical nights (min191220222

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

  • Data for Callahan 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).