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Built 2026-10-19 (19 October 2026)

Chilao California Threshold Days by Year (USR0000CCHI)

8 fixed thresholds counted per year at Chilao California (USR0000CCHI): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chilao California Thresholds

  • Chilao California: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2021 with 68.
  • Chilao California: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 2021 with 39.
  • Chilao California: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2001 with 70.
  • Chilao California: nights with a minimum temperature at or above 20 C (68 F) in 35 years, most in 2024 with 66.
  • 8 fixed thresholds have at least one qualifying day at Chilao California.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Chilao California Days per year at Chilao California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 2021. 0204060801991: 111992: 171993: 121994: 281995: 291996: 441997: 221998: 291999: 212000: 472001: 422002: 472003: 612004: 252005: 302006: 532007: 512008: 612009: 562010: 372011: 402012: 452013: 432014: 332015: 292016: 392017: 452018: 452019: 382020: 542021: 682022: 622024: 662025: 302026: 48199119951999200320072011201520192024
Days per year at Chilao California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 68 in 2021.
Days at or above 30 C (86 F) per year at Chilao California
YearDaysDecade average
19911123.7
19921723.7
19931223.7
19942823.7
19952923.7
19964423.7
19972223.7
19982923.7
19992123.7
20004747.3
20014247.3
20024747.3
20036147.3
20042547.3
20053047.3
20065347.3
20075147.3
20086147.3
20095647.3
20103739.4
20114039.4
20124539.4
20134339.4
20143339.4
20152939.4
20163939.4
20174539.4
20184539.4
20193839.4
20205454.7
20216854.7
20226254.7
20246654.7
20253054.7
20264854.7
First to last qualifying date each year at Chilao California For each year, a bar from the first to the last day at Chilao California meeting 30 C (86 F). 1991: 2 July 1991 to 18 September 19911992: 17 July 1992 to 20 August 19921993: 25 June 1993 to 27 September 19931994: 23 June 1994 to 26 August 19941995: 25 June 1995 to 15 September 19951996: 11 May 1996 to 8 October 19961997: 3 July 1997 to 10 September 19971998: 28 June 1998 to 31 August 19981999: 29 June 1999 to 13 October 19992000: 22 May 2000 to 20 September 20002001: 22 May 2001 to 24 September 20012002: 30 May 2002 to 24 September 20022003: 28 May 2003 to 21 October 20032004: 2 June 2004 to 25 September 20042005: 30 June 2005 to 30 August 20052006: 3 June 2006 to 29 September 20062007: 3 June 2007 to 12 September 20072008: 17 May 2008 to 28 October 20082009: 16 May 2009 to 27 September 20092010: 5 June 2010 to 29 September 20102011: 21 June 2011 to 13 October 20112012: 16 May 2012 to 2 October 20122013: 31 May 2013 to 15 September 20132014: 8 June 2014 to 5 October 20142015: 13 June 2015 to 20 September 20152016: 1 June 2016 to 19 September 20162017: 15 June 2017 to 5 September 20172018: 9 May 2018 to 10 September 20182019: 11 June 2019 to 14 September 20192020: 27 May 2020 to 17 October 20202021: 1 June 2021 to 12 September 20212022: 7 June 2022 to 28 September 20222024: 5 June 2024 to 7 October 20242025: 10 June 2025 to 1 September 20252026: 20 March 2026 to 7 October 20261991199620012006201120162021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chilao California meeting 30 C (86 F).
First to last qualifying date each year at Chilao California
YearFirst dateLast date
19911991-07-021991-09-18
19921992-07-171992-08-20
19931993-06-251993-09-27
19941994-06-231994-08-26
19951995-06-251995-09-15
19961996-05-111996-10-08
19971997-07-031997-09-10
19981998-06-281998-08-31
19991999-06-291999-10-13
20002000-05-222000-09-20
20012001-05-222001-09-24
20022002-05-302002-09-24
20032003-05-282003-10-21
20042004-06-022004-09-25
20052005-06-302005-08-30
20062006-06-032006-09-29
20072007-06-032007-09-12
20082008-05-172008-10-28
20092009-05-162009-09-27
20102010-06-052010-09-29
20112011-06-212011-10-13
20122012-05-162012-10-02
20132013-05-312013-09-15
20142014-06-082014-10-05
20152015-06-132015-09-20
20162016-06-012016-09-19
20172017-06-152017-09-05
20182018-05-092018-09-10
20192019-06-112019-09-14
20202020-05-272020-10-17
20212021-06-012021-09-12
20222022-06-072022-09-28
20242024-06-052024-10-07
20252025-06-102025-09-01
20262026-03-202026-10-07

Every Fixed Threshold

Fixed thresholds at Chilao California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3568202148
35 C (95 F): Days2511202110
90 F (32.2 C): Days3539202122
100 F (37.8 C): Days5120051
0 C (32 F): Ice days (max24419911
0 C (32 F): Frost days (min357020017
20 C (68 F): Tropical nights (min3566202451
25 C (77 F): Days with min2114202414

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 Chilao 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).