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Built 2026-10-19 (19 October 2026)

Wyoming 1 Threshold Days by Year (ASN00050093)

3 fixed thresholds counted per year at Wyoming 1 (ASN00050093): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wyoming 1 Thresholds

  • Wyoming 1: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1890 with 25.
  • Wyoming 1: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1916 with 10.
  • Wyoming 1: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1890 with 3.
  • 3 fixed thresholds have at least one qualifying day at Wyoming 1.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Wyoming 1 Days per year at Wyoming 1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1890. 01020301889: 241890: 251891: 201892: 181893: 181894: 191895: 131896: 171897: 111898: 151899: 91900: 161901: 111902: 41903: 121904: 71905: 161906: 181907: 121908: 91909: 121910: 161911: 211912: 111913: 121914: 151915: 61916: 231917: 211889189218951898190119041907191019131916
Days per year at Wyoming 1 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Wyoming 1
YearDaysDecade average
18892424
18902516.5
18912016.5
18921816.5
18931816.5
18941916.5
18951316.5
18961716.5
18971116.5
18981516.5
1899916.5
19001611.7
19011111.7
1902411.7
19031211.7
1904711.7
19051611.7
19061811.7
19071211.7
1908911.7
19091211.7
19101615.6
19112115.6
19121115.6
19131215.6
19141515.6
1915615.6
19162315.6
19172115.6
First to last qualifying date each year at Wyoming 1 For each year, a bar from the first to the last day at Wyoming 1 meeting 10 mm (0.39 in). 1889: 4 January 1889 to 20 December 18891890: 13 January 1890 to 8 December 18901891: 6 January 1891 to 3 December 18911892: 7 January 1892 to 30 December 18921893: 17 January 1893 to 21 November 18931894: 5 January 1894 to 15 October 18941895: 5 January 1895 to 10 December 18951896: 25 January 1896 to 25 November 18961897: 9 January 1897 to 22 September 18971898: 13 January 1898 to 23 December 18981899: 19 January 1899 to 12 September 18991900: 10 January 1900 to 21 December 19001901: 10 March 1901 to 28 October 19011902: 30 August 1902 to 17 December 19021903: 29 January 1903 to 25 December 19031904: 3 January 1904 to 20 October 19041905: 10 February 1905 to 20 October 19051906: 10 January 1906 to 18 December 19061907: 26 January 1907 to 28 December 19071908: 1 February 1908 to 27 November 19081909: 20 January 1909 to 25 December 19091910: 7 January 1910 to 18 December 19101911: 12 January 1911 to 7 December 19111912: 26 February 1912 to 26 October 19121913: 3 January 1913 to 13 November 19131914: 25 February 1914 to 31 December 19141915: 28 March 1915 to 14 October 19151916: 29 January 1916 to 3 December 19161917: 18 January 1917 to 11 December 191718891893189719011905190919131917JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wyoming 1 meeting 10 mm (0.39 in).
First to last qualifying date each year at Wyoming 1
YearFirst dateLast date
18891889-01-041889-12-20
18901890-01-131890-12-08
18911891-01-061891-12-03
18921892-01-071892-12-30
18931893-01-171893-11-21
18941894-01-051894-10-15
18951895-01-051895-12-10
18961896-01-251896-11-25
18971897-01-091897-09-22
18981898-01-131898-12-23
18991899-01-191899-09-12
19001900-01-101900-12-21
19011901-03-101901-10-28
19021902-08-301902-12-17
19031903-01-291903-12-25
19041904-01-031904-10-20
19051905-02-101905-10-20
19061906-01-101906-12-18
19071907-01-261907-12-28
19081908-02-011908-11-27
19091909-01-201909-12-25
19101910-01-071910-12-18
19111911-01-121911-12-07
19121912-02-261912-10-26
19131913-01-031913-11-13
19141914-02-251914-12-31
19151915-03-281915-10-14
19161916-01-291916-12-03
19171917-01-181917-12-11

Every Fixed Threshold

Fixed thresholds at Wyoming 1
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2925189021
25 mm (0.98 in): Days with 25 mm or more rain291019166
50 mm (1.97 in): Days with 50 mm or more rain14318901

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 1 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).