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Built 2026-10-18 (18 October 2026)

Copper Gulch Colorado Threshold Days by Year

9 fixed thresholds counted per year at Copper Gulch Colorado (USR0000CCOP): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Copper Gulch Colorado Thresholds

  • Copper Gulch Colorado: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 2011 with 58.
  • Copper Gulch Colorado: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1997 with 34.
  • Copper Gulch Colorado: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 2008 with 223.
  • Copper Gulch Colorado: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 2022 with 85.
  • 9 fixed thresholds have at least one qualifying day at Copper Gulch Colorado.
35 years with a qualifying day
Days at or above 30 C (86 F) per year at Copper Gulch Colorado Days per year at Copper Gulch Colorado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2011. 0204060801992: 41993: 111994: 141995: 241996: 211997: 41998: 171999: 42000: 342001: 252002: 512003: 372004: 122005: 352006: 292007: 302008: 322009: 212010: 412011: 582012: 532013: 492014: 182015: 182016: 302017: 232018: 382019: 372020: 462021: 372022: 352023: 392024: 342025: 412026: 61199219962000200420082012201620202024
Days per year at Copper Gulch Colorado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2011.
Days at or above 30 C (86 F) per year at Copper Gulch Colorado
YearDaysDecade average
1992412.4
19931112.4
19941412.4
19952412.4
19962112.4
1997412.4
19981712.4
1999412.4
20003430.6
20012530.6
20025130.6
20033730.6
20041230.6
20053530.6
20062930.6
20073030.6
20083230.6
20092130.6
20104136.5
20115836.5
20125336.5
20134936.5
20141836.5
20151836.5
20163036.5
20172336.5
20183836.5
20193736.5
20204641.9
20213741.9
20223541.9
20233941.9
20243441.9
20254141.9
20266141.9
First to last qualifying date each year at Copper Gulch Colorado For each year, a bar from the first to the last day at Copper Gulch Colorado meeting 30 C (86 F). 1992: 5 July 1992 to 9 August 19921993: 26 June 1993 to 31 July 19931994: 14 June 1994 to 27 August 19941995: 7 July 1995 to 5 September 19951996: 16 May 1996 to 17 August 19961997: 7 July 1997 to 17 July 19971998: 26 June 1998 to 6 September 19981999: 26 June 1999 to 8 July 19992000: 29 May 2000 to 17 September 20002001: 10 June 2001 to 26 August 20012002: 30 May 2002 to 6 September 20022003: 29 May 2003 to 21 August 20032004: 6 June 2004 to 10 August 20042005: 20 May 2005 to 30 August 20052006: 3 June 2006 to 31 August 20062007: 19 June 2007 to 26 August 20072008: 14 June 2008 to 27 August 20082009: 24 June 2009 to 22 August 20092010: 4 June 2010 to 28 September 20102011: 6 June 2011 to 2 September 20112012: 22 May 2012 to 6 September 20122013: 9 June 2013 to 8 September 20132014: 26 June 2014 to 3 September 20142015: 19 June 2015 to 30 August 20152016: 11 June 2016 to 9 August 20162017: 10 June 2017 to 3 September 20172018: 5 June 2018 to 18 September 20182019: 27 June 2019 to 5 September 20192020: 18 May 2020 to 6 September 20202021: 10 June 2021 to 11 September 20212022: 10 June 2022 to 8 September 20222023: 26 June 2023 to 8 September 20232024: 5 June 2024 to 20 August 20242025: 14 June 2025 to 22 August 20252026: 10 June 2026 to 13 September 20261992199720022007201220172022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Copper Gulch Colorado meeting 30 C (86 F).
First to last qualifying date each year at Copper Gulch Colorado
YearFirst dateLast date
19921992-07-051992-08-09
19931993-06-261993-07-31
19941994-06-141994-08-27
19951995-07-071995-09-05
19961996-05-161996-08-17
19971997-07-071997-07-17
19981998-06-261998-09-06
19991999-06-261999-07-08
20002000-05-292000-09-17
20012001-06-102001-08-26
20022002-05-302002-09-06
20032003-05-292003-08-21
20042004-06-062004-08-10
20052005-05-202005-08-30
20062006-06-032006-08-31
20072007-06-192007-08-26
20082008-06-142008-08-27
20092009-06-242009-08-22
20102010-06-042010-09-28
20112011-06-062011-09-02
20122012-05-222012-09-06
20132013-06-092013-09-08
20142014-06-262014-09-03
20152015-06-192015-08-30
20162016-06-112016-08-09
20172017-06-102017-09-03
20182018-06-052018-09-18
20192019-06-272019-09-05
20202020-05-182020-09-06
20212021-06-102021-09-11
20222022-06-102022-09-08
20232023-06-262023-09-08
20242024-06-052024-08-20
20252025-06-142025-08-22
20262026-06-102026-09-13

Every Fixed Threshold

Fixed thresholds at Copper Gulch Colorado
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3558201161
35 C (95 F): Days11320051
90 F (32.2 C): Days3020201122
0 C (32 F): Ice days (max353419975
0 C (32 F): Frost days (min35223200884
-10 C (14 F): Days with min3585202218
-20 C (-4 F): Days with min341620075
-30 C (-22 F): Days with min3320111
20 C (68 F): Tropical nights (min1120251

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for Copper Gulch 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).