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

Big Horn Threshold Days by Year (USC00480680)

15 fixed thresholds counted per year at Big Horn (USC00480680): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Big Horn Thresholds

  • Big Horn: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1951 with 20.
  • Big Horn: days with 10 cm (3.9 in) or more of snowfall in 28 years, most in 1955 with 16.
  • Big Horn: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 2011 with 6.
  • Big Horn: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 2012 with 66.
  • 15 fixed thresholds have at least one qualifying day at Big Horn.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Big Horn Days per year at Big Horn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2012. 0204060802007: 542008: 322009: 292010: 372011: 522012: 662013: 532014: 372015: 412016: 472017: 452018: 272019: 262020: 522021: 632022: 542023: 222024: 562025: 322007200920112013201520172019202120232025
Days per year at Big Horn with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 2012.
Days at or above 30 C (86 F) per year at Big Horn
YearDaysDecade average
20075438.3
20083238.3
20092938.3
20103743.1
20115243.1
20126643.1
20135343.1
20143743.1
20154143.1
20164743.1
20174543.1
20182743.1
20192643.1
20205246.5
20216346.5
20225446.5
20232246.5
20245646.5
20253246.5
First to last qualifying date each year at Big Horn For each year, a bar from the first to the last day at Big Horn meeting 30 C (86 F). 2007: 13 May 2007 to 23 September 20072008: 1 July 2008 to 26 September 20082009: 19 May 2009 to 27 September 20092010: 29 June 2010 to 4 October 20102011: 6 June 2011 to 3 October 20112012: 24 April 2012 to 16 September 20122013: 14 May 2013 to 22 September 20132014: 29 May 2014 to 27 September 20142015: 28 June 2015 to 11 October 20152016: 8 June 2016 to 3 September 20162017: 7 May 2017 to 13 September 20172018: 10 June 2018 to 11 September 20182019: 28 June 2019 to 17 September 20192020: 1 June 2020 to 25 September 20202021: 4 June 2021 to 29 September 20212022: 18 June 2022 to 14 September 20222023: 18 July 2023 to 4 September 20232024: 24 June 2024 to 5 October 20242025: 20 June 2025 to 22 September 20252007201020132016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Big Horn meeting 30 C (86 F).
First to last qualifying date each year at Big Horn
YearFirst dateLast date
20072007-05-132007-09-23
20082008-07-012008-09-26
20092009-05-192009-09-27
20102010-06-292010-10-04
20112011-06-062011-10-03
20122012-04-242012-09-16
20132013-05-142013-09-22
20142014-05-292014-09-27
20152015-06-282015-10-11
20162016-06-082016-09-03
20172017-05-072017-09-13
20182018-06-102018-09-11
20192019-06-282019-09-17
20202020-06-012020-09-25
20212021-06-042021-09-29
20222022-06-182022-09-14
20232023-07-182023-09-04
20242024-06-242024-10-05
20252025-06-202025-09-22

Every Fixed Threshold

Fixed thresholds at Big Horn
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1966201232
35 C (95 F): Days171820123
90 F (32.2 C): Days1947201212
100 F (37.8 C): Days7320121
0 C (32 F): Ice days (max1957201942
0 C (32 F): Frost days (min191932009150
-10 C (14 F): Days with min1972201947
-20 C (-4 F): Days with min1923201417
-30 C (-22 F): Days with min8320211
20 C (68 F): Tropical nights (min5320121
10 mm (0.39 in): Days with 10 mm or more rain2820195116
25 mm (0.98 in): Days with 25 mm or more rain24620114
50 mm (1.97 in): Days with 50 mm or more rain6219521
10 cm (3.9 in): Days with 10 cm or more snowfall281619558
25 cm (9.8 in): Days with 25 cm or more snowfall13220071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2007.

Download the Data

  • Data for Big Horn 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).