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Built 2026-10-18 (18 October 2026)

Alder Springs California Threshold Days by Year

9 fixed thresholds counted per year at Alder Springs California (USR0000CALD): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alder Springs California Thresholds

  • Alder Springs California: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2021 with 66.
  • Alder Springs California: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2021 with 39.
  • Alder Springs California: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1998 with 96.
  • Alder Springs California: nights with a minimum temperature at or above 20 C (68 F) in 31 years, most in 2021 with 51.
  • 9 fixed thresholds have at least one qualifying day at Alder Springs California.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Alder Springs California Days per year at Alder Springs California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2021. 0204060801995: 241996: 411997: 151998: 211999: 152000: 202001: 302002: 372003: 472004: 262005: 402006: 312007: 422008: 372009: 522010: 332011: 302012: 492014: 492015: 402016: 452017: 542018: 492019: 272020: 562021: 662022: 562023: 262024: 562025: 382026: 4019951999200320072011201620202024
Days per year at Alder Springs California with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2021.
Days at or above 30 C (86 F) per year at Alder Springs California
YearDaysDecade average
19952423.2
19964123.2
19971523.2
19982123.2
19991523.2
20002036.2
20013036.2
20023736.2
20034736.2
20042636.2
20054036.2
20063136.2
20074236.2
20083736.2
20095236.2
20103341.8
20113041.8
20124941.8
20144941.8
20154041.8
20164541.8
20175441.8
20184941.8
20192741.8
20205648.3
20216648.3
20225648.3
20232648.3
20245648.3
20253848.3
20264048.3
First to last qualifying date each year at Alder Springs California For each year, a bar from the first to the last day at Alder Springs California meeting 30 C (86 F). 1995: 23 June 1995 to 18 September 19951996: 6 June 1996 to 8 October 19961997: 19 May 1997 to 15 August 19971998: 16 July 1998 to 4 September 19981999: 22 June 1999 to 14 September 19992000: 22 May 2000 to 20 September 20002001: 20 May 2001 to 3 October 20012002: 25 June 2002 to 26 September 20022003: 2 June 2003 to 27 October 20032004: 15 June 2004 to 11 September 20042005: 30 June 2005 to 28 September 20052006: 17 May 2006 to 13 September 20062007: 13 June 2007 to 10 September 20072008: 15 May 2008 to 28 September 20082009: 16 May 2009 to 27 September 20092010: 26 June 2010 to 1 October 20102011: 20 June 2011 to 29 September 20112012: 31 May 2012 to 3 October 20122014: 5 June 2014 to 6 October 20142015: 7 June 2015 to 21 September 20152016: 31 May 2016 to 27 September 20162017: 23 May 2017 to 12 September 20172018: 2 June 2018 to 27 September 20182019: 10 June 2019 to 26 September 20192020: 26 May 2020 to 2 October 20202021: 30 May 2021 to 24 September 20212022: 25 May 2022 to 9 September 20222023: 29 June 2023 to 14 September 20232024: 5 June 2024 to 6 October 20242025: 30 May 2025 to 23 September 20252026: 10 June 2026 to 8 October 202619951999200320072011201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Alder Springs California meeting 30 C (86 F).
First to last qualifying date each year at Alder Springs California
YearFirst dateLast date
19951995-06-231995-09-18
19961996-06-061996-10-08
19971997-05-191997-08-15
19981998-07-161998-09-04
19991999-06-221999-09-14
20002000-05-222000-09-20
20012001-05-202001-10-03
20022002-06-252002-09-26
20032003-06-022003-10-27
20042004-06-152004-09-11
20052005-06-302005-09-28
20062006-05-172006-09-13
20072007-06-132007-09-10
20082008-05-152008-09-28
20092009-05-162009-09-27
20102010-06-262010-10-01
20112011-06-202011-09-29
20122012-05-312012-10-03
20142014-06-052014-10-06
20152015-06-072015-09-21
20162016-05-312016-09-27
20172017-05-232017-09-12
20182018-06-022018-09-27
20192019-06-102019-09-26
20202020-05-262020-10-02
20212021-05-302021-09-24
20222022-05-252022-09-09
20232023-06-292023-09-14
20242024-06-052024-10-06
20252025-05-302025-09-23
20262026-06-102026-10-08

Every Fixed Threshold

Fixed thresholds at Alder Springs California
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3166202140
35 C (95 F): Days231120171
90 F (32.2 C): Days3139202114
100 F (37.8 C): Days5320243
0 C (32 F): Ice days (max25820081
0 C (32 F): Frost days (min3196199815
-10 C (14 F): Days with min1119971
20 C (68 F): Tropical nights (min3151202134
25 C (77 F): Days with min14620025

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1995.

Download the Data

  • Data for Alder Springs 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).