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Built 2026-10-19 (19 October 2026)

Ft Collins 4 E Threshold Days by Year (USC00053006)

16 fixed thresholds counted per year at Ft Collins 4 E (USC00053006): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Collins 4 E Thresholds

  • Ft Collins 4 E: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2012 with 84.
  • Ft Collins 4 E: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 2012 with 57.
  • Ft Collins 4 E: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1993 with 40.
  • Ft Collins 4 E: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 2013 with 184.
  • 16 fixed thresholds have at least one qualifying day at Ft Collins 4 E.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Ft Collins 4 E Days per year at Ft Collins 4 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2012. 02550751001991: 371992: 251993: 331994: 491995: 501996: 361997: 381998: 541999: 392000: 792001: 722002: 712003: 602004: 362005: 692006: 632007: 652008: 492009: 352010: 612011: 642012: 842013: 622014: 452015: 662016: 672017: 542018: 692019: 582020: 781991199419972000200320062009201220152018
Days per year at Ft Collins 4 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2012.
Days at or above 30 C (86 F) per year at Ft Collins 4 E
YearDaysDecade average
19913740.1
19922540.1
19933340.1
19944940.1
19955040.1
19963640.1
19973840.1
19985440.1
19993940.1
20007959.9
20017259.9
20027159.9
20036059.9
20043659.9
20056959.9
20066359.9
20076559.9
20084959.9
20093559.9
20106163
20116463
20128463
20136263
20144563
20156663
20166763
20175463
20186963
20195863
20207878
First to last qualifying date each year at Ft Collins 4 E For each year, a bar from the first to the last day at Ft Collins 4 E meeting 30 C (86 F). 1991: 10 May 1991 to 16 October 19911992: 30 April 1992 to 23 September 19921993: 12 June 1993 to 6 October 19931994: 30 May 1994 to 29 September 19941995: 13 June 1995 to 17 September 19951996: 14 May 1996 to 11 October 19961997: 1 June 1997 to 15 September 19971998: 1 June 1998 to 25 September 19981999: 7 June 1999 to 31 August 19992000: 4 May 2000 to 1 October 20002001: 13 May 2001 to 27 September 20012002: 21 May 2002 to 7 September 20022003: 27 May 2003 to 23 September 20032004: 5 May 2004 to 18 September 20042005: 20 May 2005 to 2 October 20052006: 18 May 2006 to 14 September 20062007: 13 May 2007 to 22 September 20072008: 21 May 2008 to 31 August 20082009: 18 May 2009 to 10 September 20092010: 22 May 2010 to 28 September 20102011: 2 June 2011 to 1 October 20112012: 24 April 2012 to 23 September 20122013: 13 May 2013 to 8 September 20132014: 28 May 2014 to 26 September 20142015: 2 June 2015 to 11 October 20152016: 9 June 2016 to 23 September 20162017: 6 May 2017 to 21 September 20172018: 25 May 2018 to 23 September 20182019: 7 June 2019 to 29 September 20192020: 19 May 2020 to 24 September 202019911995199920032007201120152019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ft Collins 4 E meeting 30 C (86 F).
First to last qualifying date each year at Ft Collins 4 E
YearFirst dateLast date
19911991-05-101991-10-16
19921992-04-301992-09-23
19931993-06-121993-10-06
19941994-05-301994-09-29
19951995-06-131995-09-17
19961996-05-141996-10-11
19971997-06-011997-09-15
19981998-06-011998-09-25
19991999-06-071999-08-31
20002000-05-042000-10-01
20012001-05-132001-09-27
20022002-05-212002-09-07
20032003-05-272003-09-23
20042004-05-052004-09-18
20052005-05-202005-10-02
20062006-05-182006-09-14
20072007-05-132007-09-22
20082008-05-212008-08-31
20092009-05-182009-09-10
20102010-05-222010-09-28
20112011-06-022011-10-01
20122012-04-242012-09-23
20132013-05-132013-09-08
20142014-05-282014-09-26
20152015-06-022015-10-11
20162016-06-092016-09-23
20172017-05-062017-09-21
20182018-05-252018-09-23
20192019-06-072019-09-29
20202020-05-192020-09-24

Every Fixed Threshold

Fixed thresholds at Ft Collins 4 E
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3084201278
35 C (95 F): Days2924201212
90 F (32.2 C): Days3057201248
100 F (37.8 C): Days10520031
0 C (32 F): Ice days (max3040199321
0 C (32 F): Frost days (min301842013176
-10 C (14 F): Days with min3055200738
-20 C (-4 F): Days with min271320112
-30 C (-22 F): Days with min1119961
20 C (68 F): Tropical nights (min3220061
10 mm (0.39 in): Days with 10 mm or more rain301720095
25 mm (0.98 in): Days with 25 mm or more rain27619971
50 mm (1.97 in): Days with 50 mm or more rain6119991
10 cm (3.9 in): Days with 10 cm or more snowfall29719922
25 cm (9.8 in): Days with 25 cm or more snowfall8220131
50 cm (19.7 in): Days with 50 cm or more snowfall1120031

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Ft Collins 4 E 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).