Built 2026-10-19 (19 October 2026)

Wyoming Threshold Days by Year (CA006129670)

5 fixed thresholds counted per year at Wyoming (CA006129670): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wyoming Thresholds

  • Wyoming: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1902 with 38.
  • Wyoming: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1892 with 12.
  • Wyoming: days with 10 cm (3.9 in) or more of snowfall in 17 years, most in 1903 with 7.
  • Wyoming: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1889 with 1.
  • 5 fixed thresholds have at least one qualifying day at Wyoming.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wyoming Days per year at Wyoming with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1902. 0102030401889: 191890: 281891: 281892: 301893: 301894: 251895: 281896: 251897: 281898: 301899: 251900: 251901: 211902: 381903: 311904: 251905: 221906: 29188918911893189518971899190119031905
Days per year at Wyoming with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1902.
Days with 10 mm (0.39 in) or more of precipitation per year at Wyoming
YearDaysDecade average
18891919
18902827.7
18912827.7
18923027.7
18933027.7
18942527.7
18952827.7
18962527.7
18972827.7
18983027.7
18992527.7
19002527.3
19012127.3
19023827.3
19033127.3
19042527.3
19052227.3
19062927.3
First to last qualifying date each year at Wyoming For each year, a bar from the first to the last day at Wyoming meeting 10 mm (0.39 in). 1889: 9 January 1889 to 17 December 18891890: 1 January 1890 to 17 November 18901891: 1 January 1891 to 15 December 18911892: 1 February 1892 to 25 December 18921893: 1 January 1893 to 25 December 18931894: 4 January 1894 to 21 December 18941895: 13 January 1895 to 26 December 18951896: 29 March 1896 to 22 December 18961897: 17 January 1897 to 11 December 18971898: 12 January 1898 to 20 December 18981899: 4 January 1899 to 11 December 18991900: 4 February 1900 to 19 November 19001901: 4 February 1901 to 25 December 19011902: 12 January 1902 to 27 December 19021903: 11 January 1903 to 19 December 19031904: 8 January 1904 to 27 December 19041905: 25 January 1905 to 20 December 19051906: 3 January 1906 to 31 December 1906188918921895189819011904JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wyoming meeting 10 mm (0.39 in).
First to last qualifying date each year at Wyoming
YearFirst dateLast date
18891889-01-091889-12-17
18901890-01-011890-11-17
18911891-01-011891-12-15
18921892-02-011892-12-25
18931893-01-011893-12-25
18941894-01-041894-12-21
18951895-01-131895-12-26
18961896-03-291896-12-22
18971897-01-171897-12-11
18981898-01-121898-12-20
18991899-01-041899-12-11
19001900-02-041900-11-19
19011901-02-041901-12-25
19021902-01-121902-12-27
19031903-01-111903-12-19
19041904-01-081904-12-27
19051905-01-251905-12-20
19061906-01-031906-12-31

Every Fixed Threshold

Fixed thresholds at Wyoming
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1838190229
25 mm (0.98 in): Days with 25 mm or more rain181218926
50 mm (1.97 in): Days with 50 mm or more rain7118891
10 cm (3.9 in): Days with 10 cm or more snowfall17719037
25 cm (9.8 in): Days with 25 cm or more snowfall2118941

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1889.

Download the Data

  • Data for Wyoming 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).