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Built 2026-10-19 (19 October 2026)

Humboldt Gulch Threshold Days by Year (USS0015B21S)

12 fixed thresholds counted per year at Humboldt Gulch (USS0015B21S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Humboldt Gulch Thresholds

  • Humboldt Gulch: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1996 with 70.
  • Humboldt Gulch: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1996 with 18.
  • Humboldt Gulch: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1996 with 81.
  • Humboldt Gulch: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2009 with 225.
  • 12 fixed thresholds have at least one qualifying day at Humboldt Gulch.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Humboldt Gulch Days per year at Humboldt Gulch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 2021. 02040601990: 51991: 11992: 31996: 41997: 11998: 92000: 52001: 52002: 52003: 182004: 72005: 102006: 352007: 332008: 182009: 212010: 112011: 192012: 202013: 272014: 222015: 302016: 222017: 402018: 232019: 162020: 212021: 442022: 352023: 272024: 272025: 332026: 1199019972002200620102014201820222026
Days per year at Humboldt Gulch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 2021.
Days at or above 30 C (86 F) per year at Humboldt Gulch
YearDaysDecade average
199053.8
199113.8
199233.8
199643.8
199713.8
199893.8
2000515.7
2001515.7
2002515.7
20031815.7
2004715.7
20051015.7
20063515.7
20073315.7
20081815.7
20092115.7
20101123
20111923
20122023
20132723
20142223
20153023
20162223
20174023
20182323
20191623
20202126.9
20214426.9
20223526.9
20232726.9
20242726.9
20253326.9
2026126.9
First to last qualifying date each year at Humboldt Gulch For each year, a bar from the first to the last day at Humboldt Gulch meeting 30 C (86 F). 1990: 11 July 1990 to 14 August 19901991: 9 August 1991 to 9 August 19911992: 24 June 1992 to 14 August 19921996: 2 July 1996 to 10 August 19961997: 4 August 1997 to 4 August 19971998: 17 July 1998 to 6 September 19982000: 22 July 2000 to 23 August 20002001: 3 July 2001 to 17 August 20012002: 26 June 2002 to 13 July 20022003: 17 June 2003 to 15 August 20032004: 14 July 2004 to 14 August 20042005: 21 June 2005 to 28 August 20052006: 15 May 2006 to 6 September 20062007: 2 June 2007 to 3 September 20072008: 21 June 2008 to 24 August 20082009: 2 July 2009 to 23 September 20092010: 28 June 2010 to 26 August 20102011: 6 July 2011 to 11 September 20112012: 7 July 2012 to 20 August 20122013: 28 June 2013 to 12 September 20132014: 2 July 2014 to 11 August 20142015: 8 June 2015 to 26 August 20152016: 4 June 2016 to 29 August 20162017: 30 May 2017 to 7 September 20172018: 5 July 2018 to 6 September 20182019: 12 June 2019 to 5 September 20192020: 29 May 2020 to 4 September 20202021: 2 June 2021 to 15 August 20212022: 26 June 2022 to 6 September 20222023: 20 May 2023 to 29 August 20232024: 7 July 2024 to 8 September 20242025: 28 May 2025 to 4 September 20252026: 28 May 2026 to 28 May 20261990199820042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Humboldt Gulch meeting 30 C (86 F).
First to last qualifying date each year at Humboldt Gulch
YearFirst dateLast date
19901990-07-111990-08-14
19911991-08-091991-08-09
19921992-06-241992-08-14
19961996-07-021996-08-10
19971997-08-041997-08-04
19981998-07-171998-09-06
20002000-07-222000-08-23
20012001-07-032001-08-17
20022002-06-262002-07-13
20032003-06-172003-08-15
20042004-07-142004-08-14
20052005-06-212005-08-28
20062006-05-152006-09-06
20072007-06-022007-09-03
20082008-06-212008-08-24
20092009-07-022009-09-23
20102010-06-282010-08-26
20112011-07-062011-09-11
20122012-07-072012-08-20
20132013-06-282013-09-12
20142014-07-022014-08-11
20152015-06-082015-08-26
20162016-06-042016-08-29
20172017-05-302017-09-07
20182018-07-052018-09-06
20192019-06-122019-09-05
20202020-05-292020-09-04
20212021-06-022021-08-15
20222022-06-262022-09-06
20232023-05-202023-08-29
20242024-07-072024-09-08
20252025-05-282025-09-04
20262026-05-282026-05-28

Every Fixed Threshold

Fixed thresholds at Humboldt Gulch
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days334420211
35 C (95 F): Days16620072
90 F (32.2 C): Days2523202120
100 F (37.8 C): Days4220212
0 C (32 F): Ice days (max3481199616
0 C (32 F): Frost days (min342252009119
-10 C (14 F): Days with min3452201910
-20 C (-4 F): Days with min24819902
-30 C (-22 F): Days with min2220242
10 mm (0.39 in): Days with 10 mm or more rain4570199623
25 mm (0.98 in): Days with 25 mm or more rain451819964
50 mm (1.97 in): Days with 50 mm or more rain24319961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Humboldt Gulch 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).