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Built 2026-10-19 (19 October 2026)

Cottonwood Basin Colorado Threshold Days by Year (USR0000CCOT)

8 fixed thresholds counted per year at Cottonwood Basin Colorado (USR0000CCOT): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cottonwood Basin Colorado Thresholds

  • Cottonwood Basin Colorado: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2002 with 60.
  • Cottonwood Basin Colorado: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1997 with 33.
  • Cottonwood Basin Colorado: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2008 with 182.
  • Cottonwood Basin Colorado: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 2013 with 50.
  • 8 fixed thresholds have at least one qualifying day at Cottonwood Basin Colorado.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at Cottonwood Basin Colorado Days per year at Cottonwood Basin Colorado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2002. 02040601992: 131993: 121994: 371995: 291996: 301997: 111999: 92000: 462001: 392002: 602003: 462004: 262005: 292006: 352007: 542008: 342009: 312010: 382011: 482012: 462013: 572014: 232015: 222016: 282017: 312018: 472019: 352020: 482021: 492022: 422023: 392024: 322025: 452026: 52199219962001200520092013201720212025
Days per year at Cottonwood Basin Colorado with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 60 in 2002.
Days at or above 30 C (86 F) per year at Cottonwood Basin Colorado
YearDaysDecade average
19921320.1
19931220.1
19943720.1
19952920.1
19963020.1
19971120.1
1999920.1
20004640
20013940
20026040
20034640
20042640
20052940
20063540
20075440
20083440
20093140
20103837.5
20114837.5
20124637.5
20135737.5
20142337.5
20152237.5
20162837.5
20173137.5
20184737.5
20193537.5
20204843.9
20214943.9
20224243.9
20233943.9
20243243.9
20254543.9
20265243.9
First to last qualifying date each year at Cottonwood Basin Colorado For each year, a bar from the first to the last day at Cottonwood Basin Colorado meeting 30 C (86 F). 1992: 22 June 1992 to 21 August 19921993: 14 June 1993 to 24 August 19931994: 23 June 1994 to 27 August 19941995: 7 July 1995 to 5 September 19951996: 9 June 1996 to 4 September 19961997: 6 July 1997 to 24 August 19971999: 24 June 1999 to 23 July 19992000: 23 May 2000 to 17 September 20002001: 8 June 2001 to 3 September 20012002: 30 May 2002 to 5 September 20022003: 28 May 2003 to 20 August 20032004: 3 June 2004 to 16 August 20042005: 20 June 2005 to 30 August 20052006: 2 June 2006 to 23 August 20062007: 15 June 2007 to 2 September 20072008: 16 June 2008 to 30 August 20082009: 23 June 2009 to 29 August 20092010: 5 June 2010 to 19 September 20102011: 15 June 2011 to 31 August 20112012: 3 June 2012 to 29 August 20122013: 8 June 2013 to 7 September 20132014: 23 June 2014 to 18 August 20142015: 18 June 2015 to 25 August 20152016: 6 June 2016 to 2 August 20162017: 16 June 2017 to 5 September 20172018: 5 June 2018 to 14 August 20182019: 29 June 2019 to 6 September 20192020: 4 June 2020 to 6 September 20202021: 4 June 2021 to 10 September 20212022: 9 June 2022 to 8 September 20222023: 3 July 2023 to 31 August 20232024: 6 June 2024 to 20 August 20242025: 12 June 2025 to 23 August 20252026: 5 June 2026 to 28 August 20261992199720032008201320182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cottonwood Basin Colorado meeting 30 C (86 F).
First to last qualifying date each year at Cottonwood Basin Colorado
YearFirst dateLast date
19921992-06-221992-08-21
19931993-06-141993-08-24
19941994-06-231994-08-27
19951995-07-071995-09-05
19961996-06-091996-09-04
19971997-07-061997-08-24
19991999-06-241999-07-23
20002000-05-232000-09-17
20012001-06-082001-09-03
20022002-05-302002-09-05
20032003-05-282003-08-20
20042004-06-032004-08-16
20052005-06-202005-08-30
20062006-06-022006-08-23
20072007-06-152007-09-02
20082008-06-162008-08-30
20092009-06-232009-08-29
20102010-06-052010-09-19
20112011-06-152011-08-31
20122012-06-032012-08-29
20132013-06-082013-09-07
20142014-06-232014-08-18
20152015-06-182015-08-25
20162016-06-062016-08-02
20172017-06-162017-09-05
20182018-06-052018-08-14
20192019-06-292019-09-06
20202020-06-042020-09-06
20212021-06-042021-09-10
20222022-06-092022-09-08
20232023-07-032023-08-31
20242024-06-062024-08-20
20252025-06-122025-08-23
20262026-06-052026-08-28

Every Fixed Threshold

Fixed thresholds at Cottonwood Basin Colorado
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3460200252
35 C (95 F): Days13620023
90 F (32.2 C): Days3235200331
0 C (32 F): Ice days (max343319979
0 C (32 F): Frost days (min34182200867
-10 C (14 F): Days with min345020139
-20 C (-4 F): Days with min10920111
20 C (68 F): Tropical nights (min25720235

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 Cottonwood Basin 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).