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Built 2026-10-18 (18 October 2026)

Shadequarter California Threshold Days by Year

9 fixed thresholds counted per year at Shadequarter California (USR0000CSHQ): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shadequarter California Thresholds

  • Shadequarter California: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2017 with 84.
  • Shadequarter California: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 2021 with 63.
  • Shadequarter California: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2001 with 60.
  • Shadequarter California: nights with a minimum temperature at or above 20 C (68 F) in 34 years, most in 2020 with 82.
  • 9 fixed thresholds have at least one qualifying day at Shadequarter California.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Shadequarter California Days per year at Shadequarter California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2017. 02550751001991: 441992: 491995: 591996: 651997: 211998: 401999: 342000: 422001: 542002: 542003: 722004: 612005: 552006: 592007: 622008: 732009: 722010: 482011: 422012: 692013: 792014: 832015: 722016: 762017: 842018: 842019: 582020: 702021: 812022: 802023: 412024: 822025: 602026: 76199119972001200520092013201720212025
Days per year at Shadequarter California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2017.
Days at or above 30 C (86 F) per year at Shadequarter California
YearDaysDecade average
19914444.6
19924944.6
19955944.6
19966544.6
19972144.6
19984044.6
19993444.6
20004260.4
20015460.4
20025460.4
20037260.4
20046160.4
20055560.4
20065960.4
20076260.4
20087360.4
20097260.4
20104869.5
20114269.5
20126969.5
20137969.5
20148369.5
20157269.5
20167669.5
20178469.5
20188469.5
20195869.5
20207070
20218170
20228070
20234170
20248270
20256070
20267670
First to last qualifying date each year at Shadequarter California For each year, a bar from the first to the last day at Shadequarter California meeting 30 C (86 F). 1991: 1 July 1991 to 16 October 19911992: 31 May 1992 to 29 September 19921995: 23 June 1995 to 20 September 19951996: 11 May 1996 to 8 October 19961997: 17 June 1997 to 23 September 19971998: 17 July 1998 to 16 September 19981999: 20 June 1999 to 10 October 19992000: 13 June 2000 to 20 September 20002001: 11 May 2001 to 14 October 20012002: 30 May 2002 to 25 September 20022003: 28 May 2003 to 21 October 20032004: 3 May 2004 to 25 September 20042005: 30 June 2005 to 3 September 20052006: 18 May 2006 to 13 September 20062007: 13 June 2007 to 12 September 20072008: 16 May 2008 to 1 October 20082009: 16 May 2009 to 28 September 20092010: 27 June 2010 to 14 October 20102011: 20 June 2011 to 29 September 20112012: 1 June 2012 to 3 October 20122013: 13 May 2013 to 16 September 20132014: 15 May 2014 to 13 October 20142015: 30 May 2015 to 13 October 20152016: 31 May 2016 to 29 September 20162017: 4 May 2017 to 12 September 20172018: 29 May 2018 to 28 September 20182019: 5 June 2019 to 25 September 20192020: 26 May 2020 to 4 October 20202021: 31 May 2021 to 22 September 20212022: 25 May 2022 to 28 September 20222023: 30 June 2023 to 19 October 20232024: 5 June 2024 to 8 October 20242025: 30 May 2025 to 23 September 20252026: 11 May 2026 to 8 October 20261991199820032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shadequarter California meeting 30 C (86 F).
First to last qualifying date each year at Shadequarter California
YearFirst dateLast date
19911991-07-011991-10-16
19921992-05-311992-09-29
19951995-06-231995-09-20
19961996-05-111996-10-08
19971997-06-171997-09-23
19981998-07-171998-09-16
19991999-06-201999-10-10
20002000-06-132000-09-20
20012001-05-112001-10-14
20022002-05-302002-09-25
20032003-05-282003-10-21
20042004-05-032004-09-25
20052005-06-302005-09-03
20062006-05-182006-09-13
20072007-06-132007-09-12
20082008-05-162008-10-01
20092009-05-162009-09-28
20102010-06-272010-10-14
20112011-06-202011-09-29
20122012-06-012012-10-03
20132013-05-132013-09-16
20142014-05-152014-10-13
20152015-05-302015-10-13
20162016-05-312016-09-29
20172017-05-042017-09-12
20182018-05-292018-09-28
20192019-06-052019-09-25
20202020-05-262020-10-04
20212021-05-312021-09-22
20222022-05-252022-09-28
20232023-06-302023-10-19
20242024-06-052024-10-08
20252025-05-302025-09-23
20262026-05-112026-10-08

Every Fixed Threshold

Fixed thresholds at Shadequarter California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3484201776
35 C (95 F): Days301820249
90 F (32.2 C): Days3463202144
100 F (37.8 C): Days13420062
0 C (32 F): Ice days (max24620011
0 C (32 F): Frost days (min346020018
-10 C (14 F): Days with min1120071
20 C (68 F): Tropical nights (min3482202074
25 C (77 F): Days with min242020247

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 Shadequarter 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).