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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Willow Creek Threshold Days by Year (USC00359398)

4 fixed thresholds counted per year at Willow Creek (USC00359398): 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 23 years, most in 1927 with 85.
  • Willow Creek: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1948 with 38.
  • Willow Creek: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1933 with 11.
  • Willow Creek: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1927 with 3.
  • 4 fixed thresholds have at least one qualifying day at Willow Creek.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Willow Creek Days per year at Willow Creek with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 85 in 1927. 02550751001923: 561925: 631926: 711927: 851928: 681929: 411930: 511931: 641932: 601933: 761934: 591935: 501938: 641939: 571940: 721941: 661942: 671943: 521944: 531945: 781947: 591948: 761949: 5319231927193019331938194119441948
Days per year at Willow Creek with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 85 in 1927.
Days with 10 mm (0.39 in) or more of precipitation per year at Willow Creek
YearDaysDecade average
19235664
19256364
19267164
19278564
19286864
19294164
19305160.1
19316460.1
19326060.1
19337660.1
19345960.1
19355060.1
19386460.1
19395760.1
19407264
19416664
19426764
19435264
19445364
19457864
19475964
19487664
19495364
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 10 mm (0.39 in). 1923: 2 January 1923 to 30 December 19231925: 1 January 1925 to 23 December 19251926: 6 January 1926 to 30 December 19261927: 1 January 1927 to 31 December 19271928: 1 January 1928 to 31 December 19281929: 1 January 1929 to 24 December 19291930: 3 January 1930 to 30 December 19301931: 2 January 1931 to 31 December 19311932: 9 January 1932 to 31 December 19321933: 1 January 1933 to 30 December 19331934: 2 January 1934 to 29 December 19341935: 4 January 1935 to 30 December 19351938: 12 January 1938 to 29 December 19381939: 1 January 1939 to 31 December 19391940: 1 January 1940 to 26 December 19401941: 6 January 1941 to 28 December 19411942: 6 January 1942 to 31 December 19421943: 1 January 1943 to 25 December 19431944: 1 January 1944 to 29 December 19441945: 4 January 1945 to 31 December 19451947: 22 January 1947 to 29 December 19471948: 1 January 1948 to 31 December 19481949: 1 January 1949 to 29 December 194919231927193019331938194119441948JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Willow Creek meeting 10 mm (0.39 in).
First to last qualifying date each year at Willow Creek
YearFirst dateLast date
19231923-01-021923-12-30
19251925-01-011925-12-23
19261926-01-061926-12-30
19271927-01-011927-12-31
19281928-01-011928-12-31
19291929-01-011929-12-24
19301930-01-031930-12-30
19311931-01-021931-12-31
19321932-01-091932-12-31
19331933-01-011933-12-30
19341934-01-021934-12-29
19351935-01-041935-12-30
19381938-01-121938-12-29
19391939-01-011939-12-31
19401940-01-011940-12-26
19411941-01-061941-12-28
19421942-01-061942-12-31
19431943-01-011943-12-25
19441944-01-011944-12-29
19451945-01-041945-12-31
19471947-01-221947-12-29
19481948-01-011948-12-31
19491949-01-011949-12-29

Every Fixed Threshold

Fixed thresholds at Willow Creek
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2385192753
25 mm (0.98 in): Days with 25 mm or more rain2338194823
50 mm (1.97 in): Days with 50 mm or more rain231119339
100 mm (3.94 in): Days with 100 mm or more rain12319271

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).