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Data as of 2026-10-16
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Built 2026-10-18 (18 October 2026)

Willow Creek Threshold Days by Year

10 fixed thresholds counted per year at Willow Creek (USS0010G23S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willow Creek Thresholds

  • Willow Creek: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 2014 with 66.
  • Willow Creek: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 2017 with 15.
  • Willow Creek: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1984 with 106.
  • Willow Creek: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 2017 with 246.
  • 10 fixed thresholds have at least one qualifying day at Willow Creek.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Willow Creek Days per year at Willow Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2021. 051015202000: 32001: 42002: 42003: 62005: 22006: 42007: 62010: 12012: 92013: 42014: 12015: 32016: 62017: 112018: 72019: 72020: 82021: 162022: 162023: 42024: 82025: 92026: 1820002003200720132016201920222025
Days per year at Willow Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 2021.
Days at or above 30 C (86 F) per year at Willow Creek
YearDaysDecade average
200034.1
200144.1
200244.1
200364.1
200524.1
200644.1
200764.1
201015.4
201295.4
201345.4
201415.4
201535.4
201665.4
2017115.4
201875.4
201975.4
2020811.3
20211611.3
20221611.3
2023411.3
2024811.3
2025911.3
20261811.3
First to last qualifying date each year at Willow Creek For each year, a bar from the first to the last day at Willow Creek meeting 30 C (86 F). 2000: 30 July 2000 to 1 August 20002001: 4 July 2001 to 8 August 20012002: 11 July 2002 to 14 July 20022003: 18 July 2003 to 2 August 20032005: 13 July 2005 to 21 July 20052006: 16 July 2006 to 28 July 20062007: 6 July 2007 to 30 July 20072010: 26 July 2010 to 26 July 20102012: 30 June 2012 to 9 August 20122013: 28 June 2013 to 2 July 20132014: 23 July 2014 to 23 July 20142015: 27 June 2015 to 29 June 20152016: 28 June 2016 to 16 August 20162017: 5 July 2017 to 4 September 20172018: 8 July 2018 to 12 August 20182019: 22 July 2019 to 1 September 20192020: 31 July 2020 to 5 September 20202021: 15 June 2021 to 9 September 20212022: 12 July 2022 to 7 September 20222023: 22 July 2023 to 17 August 20232024: 10 July 2024 to 3 August 20242025: 8 July 2025 to 23 August 20252026: 11 July 2026 to 21 August 202620002003200720132016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Willow Creek meeting 30 C (86 F).
First to last qualifying date each year at Willow Creek
YearFirst dateLast date
20002000-07-302000-08-01
20012001-07-042001-08-08
20022002-07-112002-07-14
20032003-07-182003-08-02
20052005-07-132005-07-21
20062006-07-162006-07-28
20072007-07-062007-07-30
20102010-07-262010-07-26
20122012-06-302012-08-09
20132013-06-282013-07-02
20142014-07-232014-07-23
20152015-06-272015-06-29
20162016-06-282016-08-16
20172017-07-052017-09-04
20182018-07-082018-08-12
20192019-07-222019-09-01
20202020-07-312020-09-05
20212021-06-152021-09-09
20222022-07-122022-09-07
20232023-07-222023-08-17
20242024-07-102024-08-03
20252025-07-082025-08-23
20262026-07-112026-08-21

Every Fixed Threshold

Fixed thresholds at Willow Creek
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2316202118
90 F (32.2 C): Days7320206
0 C (32 F): Ice days (max41106198429
0 C (32 F): Frost days (min382462017128
-10 C (14 F): Days with min38112200833
-20 C (-4 F): Days with min341319908
-30 C (-22 F): Days with min1419904
10 mm (0.39 in): Days with 10 mm or more rain4566201434
25 mm (0.98 in): Days with 25 mm or more rain451520172
50 mm (1.97 in): Days with 50 mm or more rain13419822

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2000.

Download the Data

  • Data for Willow Creek 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).