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

Columbine Threshold Days by Year (USC00051792)

5 fixed thresholds counted per year at Columbine (USC00051792): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Columbine Thresholds

  • Columbine: days with 10 cm (3.9 in) or more of snowfall in 28 years, most in 1932 with 31.
  • Columbine: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1938 with 26.
  • Columbine: days with 25 cm (9.8 in) or more of snowfall in 18 years, most in 1927 with 3.
  • Columbine: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1938 with 4.
  • 5 fixed thresholds have at least one qualifying day at Columbine.
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Columbine Days per year at Columbine with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1938. 01020301911: 241912: 121915: 181917: 181918: 141919: 111920: 131921: 111922: 121923: 121924: 151925: 161926: 131927: 211928: 101929: 191930: 111931: 141932: 181933: 141934: 121935: 181936: 201937: 151938: 261939: 14191119171920192319261929193219351938
Days per year at Columbine with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1938.
Days with 10 mm (0.39 in) or more of precipitation per year at Columbine
YearDaysDecade average
19112416.2
19121216.2
19151816.2
19171816.2
19181416.2
19191116.2
19201314.2
19211114.2
19221214.2
19231214.2
19241514.2
19251614.2
19261314.2
19272114.2
19281014.2
19291914.2
19301116.2
19311416.2
19321816.2
19331416.2
19341216.2
19351816.2
19362016.2
19371516.2
19382616.2
19391416.2
First to last qualifying date each year at Columbine For each year, a bar from the first to the last day at Columbine meeting 10 mm (0.39 in). 1911: 4 January 1911 to 5 October 19111912: 17 February 1912 to 11 October 19121915: 3 February 1915 to 30 December 19151917: 20 January 1917 to 25 October 19171918: 18 January 1918 to 28 October 19181919: 27 February 1919 to 12 December 19191920: 5 March 1920 to 21 October 19201921: 23 March 1921 to 23 December 19211922: 3 January 1922 to 29 December 19221923: 8 February 1923 to 30 December 19231924: 11 January 1924 to 22 December 19241925: 9 February 1925 to 6 October 19251926: 13 February 1926 to 8 October 19261927: 21 January 1927 to 29 December 19271928: 16 January 1928 to 13 November 19281929: 5 February 1929 to 26 September 19291930: 18 June 1930 to 18 November 19301931: 26 March 1931 to 23 December 19311932: 10 January 1932 to 20 December 19321933: 13 March 1933 to 31 December 19331934: 2 January 1934 to 4 November 19341935: 9 January 1935 to 30 October 19351936: 4 January 1936 to 29 December 19361937: 7 February 1937 to 20 November 19371938: 10 January 1938 to 21 December 19381939: 12 January 1939 to 28 December 19391911191819221926193019341938JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Columbine meeting 10 mm (0.39 in).
First to last qualifying date each year at Columbine
YearFirst dateLast date
19111911-01-041911-10-05
19121912-02-171912-10-11
19151915-02-031915-12-30
19171917-01-201917-10-25
19181918-01-181918-10-28
19191919-02-271919-12-12
19201920-03-051920-10-21
19211921-03-231921-12-23
19221922-01-031922-12-29
19231923-02-081923-12-30
19241924-01-111924-12-22
19251925-02-091925-10-06
19261926-02-131926-10-08
19271927-01-211927-12-29
19281928-01-161928-11-13
19291929-02-051929-09-26
19301930-06-181930-11-18
19311931-03-261931-12-23
19321932-01-101932-12-20
19331933-03-131933-12-31
19341934-01-021934-11-04
19351935-01-091935-10-30
19361936-01-041936-12-29
19371937-02-071937-11-20
19381938-01-101938-12-21
19391939-01-121939-12-28

Every Fixed Threshold

Fixed thresholds at Columbine
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2626193814
25 mm (0.98 in): Days with 25 mm or more rain17419384
50 mm (1.97 in): Days with 50 mm or more rain1119151
10 cm (3.9 in): Days with 10 cm or more snowfall2831193220
25 cm (9.8 in): Days with 25 cm or more snowfall18319272

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Columbine 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).