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

Columbia U of M Threshold Days by Year (USC00231801)

17 fixed thresholds counted per year at Columbia U of M (USC00231801): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Columbia U of M Thresholds

  • Columbia U of M: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2018 with 99.
  • Columbia U of M: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2012 with 75.
  • Columbia U of M: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 2014 with 38.
  • Columbia U of M: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2013 with 117.
  • 17 fixed thresholds have at least one qualifying day at Columbia U of M.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Columbia U of M Days per year at Columbia U of M with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 2018. 02550751001998: 911999: 832000: 792001: 722002: 862003: 642004: 402005: 832006: 792007: 862008: 462009: 362010: 842011: 822012: 982013: 682014: 572015: 582016: 752017: 662018: 992019: 702020: 652021: 722022: 812023: 792024: 732025: 781998200120042007201020132016201920222025
Days per year at Columbia U of M with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 2018.
Days at or above 30 C (86 F) per year at Columbia U of M
YearDaysDecade average
19989187
19998387
20007967.1
20017267.1
20028667.1
20036467.1
20044067.1
20058367.1
20067967.1
20078667.1
20084667.1
20093667.1
20108475.7
20118275.7
20129875.7
20136875.7
20145775.7
20155875.7
20167575.7
20176675.7
20189975.7
20197075.7
20206574.7
20217274.7
20228174.7
20237974.7
20247374.7
20257874.7
First to last qualifying date each year at Columbia U of M For each year, a bar from the first to the last day at Columbia U of M meeting 30 C (86 F). 1998: 13 May 1998 to 29 September 19981999: 10 May 1999 to 27 October 19992000: 8 May 2000 to 3 October 20002001: 8 April 2001 to 7 September 20012002: 15 April 2002 to 2 October 20022003: 15 April 2003 to 20 October 20032004: 16 April 2004 to 14 September 20042005: 10 May 2005 to 5 October 20052006: 13 April 2006 to 3 October 20062007: 30 April 2007 to 7 October 20072008: 25 May 2008 to 2 September 20082009: 23 April 2009 to 27 September 20092010: 31 March 2010 to 23 September 20102011: 3 April 2011 to 13 September 20112012: 1 April 2012 to 12 September 20122013: 29 April 2013 to 4 October 20132014: 5 May 2014 to 30 September 20142015: 5 June 2015 to 17 September 20152016: 26 May 2016 to 17 October 20162017: 19 April 2017 to 14 October 20172018: 12 April 2018 to 5 October 20182019: 10 April 2019 to 2 October 20192020: 8 April 2020 to 14 October 20202021: 26 April 2021 to 30 September 20212022: 9 May 2022 to 22 October 20222023: 4 April 2023 to 3 October 20232024: 14 April 2024 to 22 October 20242025: 2 June 2025 to 6 October 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Columbia U of M meeting 30 C (86 F).
First to last qualifying date each year at Columbia U of M
YearFirst dateLast date
19981998-05-131998-09-29
19991999-05-101999-10-27
20002000-05-082000-10-03
20012001-04-082001-09-07
20022002-04-152002-10-02
20032003-04-152003-10-20
20042004-04-162004-09-14
20052005-05-102005-10-05
20062006-04-132006-10-03
20072007-04-302007-10-07
20082008-05-252008-09-02
20092009-04-232009-09-27
20102010-03-312010-09-23
20112011-04-032011-09-13
20122012-04-012012-09-12
20132013-04-292013-10-04
20142014-05-052014-09-30
20152015-06-052015-09-17
20162016-05-262016-10-17
20172017-04-192017-10-14
20182018-04-122018-10-05
20192019-04-102019-10-02
20202020-04-082020-10-14
20212021-04-262021-09-30
20222022-05-092022-10-22
20232023-04-042023-10-03
20242024-04-142024-10-22
20252025-06-022025-10-06

Every Fixed Threshold

Fixed thresholds at Columbia U of M
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2899201878
35 C (95 F): Days274020129
40 C (104 F): Days7520125
90 F (32.2 C): Days2875201241
100 F (37.8 C): Days121920124
0 C (32 F): Ice days (max2838201426
0 C (32 F): Frost days (min28117201390
-10 C (14 F): Days with min2832201425
-20 C (-4 F): Days with min11420142
20 C (68 F): Tropical nights (min2882201862
25 C (77 F): Days with min2716201110
10 mm (0.39 in): Days with 10 mm or more rain2851200826
25 mm (0.98 in): Days with 25 mm or more rain282120099
50 mm (1.97 in): Days with 50 mm or more rain26820211
100 mm (3.94 in): Days with 100 mm or more rain8220081
10 cm (3.9 in): Days with 10 cm or more snowfall15420111
25 cm (9.8 in): Days with 25 cm or more snowfall3120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Columbia U of M 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).