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Built 2026-10-19 (19 October 2026)

Cheyenne 1 WSW Threshold Days by Year (USC00341738)

6 fixed thresholds counted per year at Cheyenne 1 WSW (USC00341738): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cheyenne 1 WSW Thresholds

  • Cheyenne 1 WSW: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1941 with 36.
  • Cheyenne 1 WSW: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1973 with 14.
  • Cheyenne 1 WSW: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1941 with 6.
  • Cheyenne 1 WSW: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1960 with 4.
  • 6 fixed thresholds have at least one qualifying day at Cheyenne 1 WSW.
59 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cheyenne 1 WSW Days per year at Cheyenne 1 WSW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1941. 0102030401924: 191925: 191926: 241927: 131928: 271929: 221930: 181931: 211932: 181933: 131934: 141935: 151936: 111937: 121938: 181939: 171940: 211941: 361942: 311943: 181944: 221945: 121946: 261948: 151950: 191951: 241952: 131953: 121954: 151955: 221956: 91957: 281958: 271959: 251960: 281961: 221962: 241964: 251967: 141968: 201969: 231970: 121971: 221972: 191973: 281974: 241981: 191982: 241983: 191984: 161988: 181990: 211991: 181992: 191994: 142023: 232024: 202025: 252026: 81924193019361942195019561962197119831994
Days per year at Cheyenne 1 WSW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1941.
Days with 10 mm (0.39 in) or more of precipitation per year at Cheyenne 1 WSW
YearDaysDecade average
19241920.7
19251920.7
19262420.7
19271320.7
19282720.7
19292220.7
19301815.7
19312115.7
19321815.7
19331315.7
19341415.7
19351515.7
19361115.7
19371215.7
19381815.7
19391715.7
19402122.6
19413622.6
19423122.6
19431822.6
19442222.6
19451222.6
19462622.6
19481522.6
19501919.4
19512419.4
19521319.4
19531219.4
19541519.4
19552219.4
1956919.4
19572819.4
19582719.4
19592519.4
19602822.3
19612222.3
19622422.3
19642522.3
19671422.3
19682022.3
19692322.3
19701221
19712221
19721921
19732821
19742421
19811919.2
19822419.2
19831919.2
19841619.2
19881819.2
19902118
19911818
19921918
19941418
20232319
20242019
20252519
2026819
First to last qualifying date each year at Cheyenne 1 WSW For each year, a bar from the first to the last day at Cheyenne 1 WSW meeting 10 mm (0.39 in). 1924: 16 March 1924 to 14 November 19241925: 23 April 1925 to 6 November 19251926: 21 March 1926 to 8 December 19261927: 24 January 1927 to 27 September 19271928: 6 February 1928 to 13 December 19281929: 7 January 1929 to 9 November 19291930: 9 January 1930 to 4 December 19301931: 8 February 1931 to 26 November 19311932: 20 February 1932 to 23 December 19321933: 27 February 1933 to 2 November 19331934: 26 March 1934 to 18 October 19341935: 11 March 1935 to 26 November 19351936: 15 April 1936 to 7 October 19361937: 6 March 1937 to 13 October 19371938: 17 February 1938 to 2 November 19381939: 8 January 1939 to 26 December 19391940: 6 January 1940 to 25 November 19401941: 1 February 1941 to 12 December 19411942: 14 February 1942 to 27 December 19421943: 8 April 1943 to 27 December 19431944: 2 January 1944 to 4 December 19441945: 14 March 1945 to 29 September 19451946: 13 February 1946 to 11 December 19461948: 5 February 1948 to 1 November 19481950: 12 February 1950 to 10 September 19501951: 13 January 1951 to 25 November 19511952: 25 February 1952 to 24 December 19521953: 1 March 1953 to 23 October 19531954: 26 April 1954 to 23 August 19541955: 4 February 1955 to 4 October 19551956: 6 February 1956 to 20 December 19561957: 31 January 1957 to 18 November 19571958: 19 January 1958 to 17 November 19581959: 1 February 1959 to 17 December 19591960: 6 January 1960 to 11 December 19601961: 15 March 1961 to 12 December 19611962: 27 April 1962 to 2 December 19621964: 19 March 1964 to 16 December 19641967: 10 April 1967 to 31 October 19671968: 28 April 1968 to 2 November 19681969: 14 February 1969 to 7 December 19691970: 28 March 1970 to 14 November 19701971: 21 February 1971 to 3 December 19711972: 5 May 1972 to 19 November 19721973: 3 January 1973 to 3 December 19731974: 10 March 1974 to 31 December 19741981: 8 March 1981 to 30 November 19811982: 29 January 1982 to 27 December 19821983: 31 January 1983 to 15 December 19831984: 18 February 1984 to 16 December 19841988: 6 January 1988 to 12 November 19881990: 21 February 1990 to 8 November 19901991: 17 March 1991 to 20 December 19911992: 27 January 1992 to 24 November 19921994: 26 January 1994 to 20 November 19942023: 24 January 2023 to 24 December 20232024: 5 January 2024 to 18 November 20242025: 3 March 2025 to 21 November 20252026: 6 March 2026 to 26 September 202619241932194019501958196919832024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cheyenne 1 WSW meeting 10 mm (0.39 in).
First to last qualifying date each year at Cheyenne 1 WSW
YearFirst dateLast date
19241924-03-161924-11-14
19251925-04-231925-11-06
19261926-03-211926-12-08
19271927-01-241927-09-27
19281928-02-061928-12-13
19291929-01-071929-11-09
19301930-01-091930-12-04
19311931-02-081931-11-26
19321932-02-201932-12-23
19331933-02-271933-11-02
19341934-03-261934-10-18
19351935-03-111935-11-26
19361936-04-151936-10-07
19371937-03-061937-10-13
19381938-02-171938-11-02
19391939-01-081939-12-26
19401940-01-061940-11-25
19411941-02-011941-12-12
19421942-02-141942-12-27
19431943-04-081943-12-27
19441944-01-021944-12-04
19451945-03-141945-09-29
19461946-02-131946-12-11
19481948-02-051948-11-01
19501950-02-121950-09-10
19511951-01-131951-11-25
19521952-02-251952-12-24
19531953-03-011953-10-23
19541954-04-261954-08-23
19551955-02-041955-10-04
19561956-02-061956-12-20
19571957-01-311957-11-18
19581958-01-191958-11-17
19591959-02-011959-12-17
19601960-01-061960-12-11
19611961-03-151961-12-12
19621962-04-271962-12-02
19641964-03-191964-12-16
19671967-04-101967-10-31
19681968-04-281968-11-02
19691969-02-141969-12-07
19701970-03-281970-11-14
19711971-02-211971-12-03
19721972-05-051972-11-19
19731973-01-031973-12-03
19741974-03-101974-12-31
19811981-03-081981-11-30
19821982-01-291982-12-27
19831983-01-311983-12-15
19841984-02-181984-12-16
19881988-01-061988-11-12
19901990-02-211990-11-08
19911991-03-171991-12-20
19921992-01-271992-11-24
19941994-01-261994-11-20
20232023-01-242023-12-24
20242024-01-052024-11-18
20252025-03-032025-11-21
20262026-03-062026-09-26

Every Fixed Threshold

Fixed thresholds at Cheyenne 1 WSW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain593619418
25 mm (0.98 in): Days with 25 mm or more rain591419732
50 mm (1.97 in): Days with 50 mm or more rain50619411
100 mm (3.94 in): Days with 100 mm or more rain5119291
10 cm (3.9 in): Days with 10 cm or more snowfall18419602
25 cm (9.8 in): Days with 25 cm or more snowfall1119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for Cheyenne 1 WSW 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 (2026-10-12).