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Built 2026-10-19 (19 October 2026)

Ukiah Muni AP Threshold Days by Year (USW00023275)

13 fixed thresholds counted per year at Ukiah Muni AP (USW00023275): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ukiah Muni AP Thresholds

  • Ukiah Muni AP: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 2020 with 138.
  • Ukiah Muni AP: days with a maximum temperature at or above 35 C (95 F) in 25 years, most in 2021 with 81.
  • Ukiah Muni AP: days with a maximum temperature at or above 40 C (104 F) in 25 years, most in 2021 with 25.
  • Ukiah Muni AP: days with a maximum temperature at or above 90 F (32.2 C) in 25 years, most in 2020 with 113.
  • 13 fixed thresholds have at least one qualifying day at Ukiah Muni AP.
25 years with a qualifying day
Days at or above 30 C (86 F) per year at Ukiah Muni AP Days per year at Ukiah Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 138 in 2020. 0501001502001: 1202002: 1012003: 1032004: 1062005: 852006: 1142007: 872008: 1152009: 992010: 902011: 962012: 1152013: 1092014: 1282015: 1242016: 1102017: 1202018: 1072019: 1132020: 1382021: 1252022: 1132023: 1112024: 1322025: 120200120042007201020132016201920222025
Days per year at Ukiah Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 138 in 2020.
Days at or above 30 C (86 F) per year at Ukiah Muni AP
YearDaysDecade average
2001120103.3
2002101103.3
2003103103.3
2004106103.3
200585103.3
2006114103.3
200787103.3
2008115103.3
200999103.3
201090111.2
201196111.2
2012115111.2
2013109111.2
2014128111.2
2015124111.2
2016110111.2
2017120111.2
2018107111.2
2019113111.2
2020138123.2
2021125123.2
2022113123.2
2023111123.2
2024132123.2
2025120123.2
First to last qualifying date each year at Ukiah Muni AP For each year, a bar from the first to the last day at Ukiah Muni AP meeting 30 C (86 F). 2001: 25 April 2001 to 18 October 20012002: 29 March 2002 to 14 October 20022003: 19 May 2003 to 28 October 20032004: 17 March 2004 to 15 October 20042005: 11 March 2005 to 17 October 20052006: 27 April 2006 to 23 October 20062007: 27 April 2007 to 23 October 20072008: 11 April 2008 to 26 October 20082009: 19 April 2009 to 28 September 20092010: 12 June 2010 to 19 October 20102011: 4 May 2011 to 17 October 20112012: 20 April 2012 to 18 October 20122013: 21 April 2013 to 26 October 20132014: 10 April 2014 to 13 October 20142015: 26 March 2015 to 30 October 20152016: 6 April 2016 to 9 October 20162017: 1 May 2017 to 29 October 20172018: 29 March 2018 to 1 November 20182019: 18 April 2019 to 30 October 20192020: 28 April 2020 to 5 November 20202021: 18 April 2021 to 16 October 20212022: 22 March 2022 to 20 October 20222023: 25 April 2023 to 19 October 20232024: 21 April 2024 to 19 October 20242025: 24 March 2025 to 7 October 20252001200520092013201720212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ukiah Muni AP meeting 30 C (86 F).
First to last qualifying date each year at Ukiah Muni AP
YearFirst dateLast date
20012001-04-252001-10-18
20022002-03-292002-10-14
20032003-05-192003-10-28
20042004-03-172004-10-15
20052005-03-112005-10-17
20062006-04-272006-10-23
20072007-04-272007-10-23
20082008-04-112008-10-26
20092009-04-192009-09-28
20102010-06-122010-10-19
20112011-05-042011-10-17
20122012-04-202012-10-18
20132013-04-212013-10-26
20142014-04-102014-10-13
20152015-03-262015-10-30
20162016-04-062016-10-09
20172017-05-012017-10-29
20182018-03-292018-11-01
20192019-04-182019-10-30
20202020-04-282020-11-05
20212021-04-182021-10-16
20222022-03-222022-10-20
20232023-04-252023-10-19
20242024-04-212024-10-19
20252025-03-242025-10-07

Every Fixed Threshold

Fixed thresholds at Ukiah Muni AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days251382020120
35 C (95 F): Days2581202152
40 C (104 F): Days252520214
45 C (113 F): Days3120201
90 F (32.2 C): Days25113202079
100 F (37.8 C): Days2553202417
110 F (43.3 C): Days9720247
0 C (32 F): Frost days (min2569201324
20 C (68 F): Tropical nights (min8420061
10 mm (0.39 in): Days with 10 mm or more rain2543200527
25 mm (0.98 in): Days with 25 mm or more rain251820059
50 mm (1.97 in): Days with 50 mm or more rain21520102
100 mm (3.94 in): Days with 100 mm or more rain2120051

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Ukiah Muni AP 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 (2025-12-31).