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Data as of 2026-10-14
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Built 2026-10-15 (15 October 2026)

Willis Creek Colorado Threshold Days by Year

7 fixed thresholds counted per year at Willis Creek Colorado (USR0000CWSC): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willis Creek Colorado Thresholds

  • Willis Creek Colorado: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1997 with 44.
  • Willis Creek Colorado: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 2007 with 216.
  • Willis Creek Colorado: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1997 with 72.
  • Willis Creek Colorado: nights with a minimum temperature at or below -20 C (-4 F) in 34 years, most in 2011 with 11.
  • 7 fixed thresholds have at least one qualifying day at Willis Creek Colorado.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Willis Creek Colorado Days per year at Willis Creek Colorado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1990. 024681990: 71994: 11998: 12002: 22003: 32005: 22008: 12010: 12023: 12025: 12026: 2199019982003200820232026
Days per year at Willis Creek Colorado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1990.
Days at or above 30 C (86 F) per year at Willis Creek Colorado
YearDaysDecade average
199073
199413
199813
200222
200332
200522
200812
201011
202311.3
202511.3
202621.3
First to last qualifying date each year at Willis Creek Colorado For each year, a bar from the first to the last day at Willis Creek Colorado meeting 30 C (86 F). 1990: 28 June 1990 to 18 August 19901994: 26 June 1994 to 26 June 19941998: 29 June 1998 to 29 June 19982002: 16 August 2002 to 18 August 20022003: 3 July 2003 to 24 July 20032005: 19 July 2005 to 21 July 20052008: 2 August 2008 to 2 August 20082010: 17 July 2010 to 17 July 20102023: 25 July 2023 to 25 July 20232025: 6 August 2025 to 6 August 20252026: 17 June 2026 to 3 August 2026199019982003200820232026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Willis Creek Colorado meeting 30 C (86 F).
First to last qualifying date each year at Willis Creek Colorado
YearFirst dateLast date
19901990-06-281990-08-18
19941994-06-261994-06-26
19981998-06-291998-06-29
20022002-08-162002-08-18
20032003-07-032003-07-24
20052005-07-192005-07-21
20082008-08-022008-08-02
20102010-07-172010-07-17
20232023-07-252023-07-25
20252025-08-062025-08-06
20262026-06-172026-08-03

Every Fixed Threshold

Fixed thresholds at Willis Creek Colorado
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11719902
90 F (32.2 C): Days1119901
0 C (32 F): Ice days (max374419978
0 C (32 F): Frost days (min37216200794
-10 C (14 F): Days with min3772199722
-20 C (-4 F): Days with min341120111
-30 C (-22 F): Days with min2119901

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 Willis Creek Colorado 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).