Built 2026-10-19 (19 October 2026)

Wamsutter Threshold Days by Year (USC00489459)

17 fixed thresholds counted per year at Wamsutter (USC00489459): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wamsutter Thresholds

  • Wamsutter: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 1933 with 51.
  • Wamsutter: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1964 with 107.
  • Wamsutter: nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 1975 with 244.
  • Wamsutter: nights with a minimum temperature at or below -10 C (14 F) in 65 years, most in 1984 with 109.
  • 17 fixed thresholds have at least one qualifying day at Wamsutter.
65 years with a qualifying day
Days at or above 30 C (86 F) per year at Wamsutter Days per year at Wamsutter with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1933. 02040601898: 451899: 481913: 351931: 451932: 261933: 511934: 491949: 161950: 71951: 131952: 151953: 171954: 311955: 241956: 91957: 61958: 191959: 161960: 291961: 141962: 261963: 251964: 301965: 71966: 291967: 221968: 241969: 331974: 301975: 161976: 291977: 231978: 311982: 261983: 141984: 101988: 381989: 231990: 301991: 171992: 111994: 461995: 291996: 441997: 181998: 381999: 212000: 292001: 472010: 222011: 242013: 422014: 212015: 222016: 332017: 312018: 372019: 382020: 462021: 512022: 442023: 202024: 382025: 472026: 431898194919561963197419841995201020182025
Days per year at Wamsutter with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 51 in 1933.
Days at or above 30 C (86 F) per year at Wamsutter
YearDaysDecade average
18984546.5
18994846.5
19133535
19314542.8
19322642.8
19335142.8
19344942.8
19491616
1950715.7
19511315.7
19521515.7
19531715.7
19543115.7
19552415.7
1956915.7
1957615.7
19581915.7
19591615.7
19602923.9
19611423.9
19622623.9
19632523.9
19643023.9
1965723.9
19662923.9
19672223.9
19682423.9
19693323.9
19743025.8
19751625.8
19762925.8
19772325.8
19783125.8
19822622.2
19831422.2
19841022.2
19883822.2
19892322.2
19903028.2
19911728.2
19921128.2
19944628.2
19952928.2
19964428.2
19971828.2
19983828.2
19992128.2
20002938
20014738
20102230
20112430
20134230
20142130
20152230
20163330
20173130
20183730
20193830
20204641.3
20215141.3
20224441.3
20232041.3
20243841.3
20254741.3
20264341.3
First to last qualifying date each year at Wamsutter For each year, a bar from the first to the last day at Wamsutter meeting 30 C (86 F). 1898: 16 June 1898 to 21 September 18981899: 30 June 1899 to 31 August 18991913: 4 June 1913 to 6 September 19131931: 7 June 1931 to 4 September 19311932: 17 June 1932 to 24 August 19321933: 10 June 1933 to 6 September 19331934: 29 May 1934 to 26 August 19341949: 15 July 1949 to 22 August 19491950: 1 July 1950 to 5 September 19501951: 4 July 1951 to 1 August 19511952: 9 June 1952 to 18 August 19521953: 29 June 1953 to 27 July 19531954: 22 June 1954 to 1 September 19541955: 22 June 1955 to 1 September 19551956: 10 June 1956 to 27 July 19561957: 2 July 1957 to 10 August 19571958: 27 June 1958 to 17 August 19581959: 12 June 1959 to 17 August 19591960: 29 June 1960 to 4 September 19601961: 21 June 1961 to 23 August 19611962: 24 June 1962 to 26 August 19621963: 27 June 1963 to 16 August 19631964: 1 July 1964 to 18 August 19641965: 15 July 1965 to 12 August 19651966: 28 June 1966 to 19 August 19661967: 10 July 1967 to 27 August 19671968: 20 June 1968 to 11 September 19681969: 2 July 1969 to 27 August 19691974: 13 June 1974 to 19 August 19741975: 30 June 1975 to 10 August 19751976: 20 June 1976 to 5 September 19761977: 2 June 1977 to 7 September 19771978: 23 June 1978 to 7 September 19781982: 28 June 1982 to 23 August 19821983: 7 July 1983 to 1 September 19831984: 29 June 1984 to 20 July 19841988: 5 June 1988 to 26 August 19881989: 15 June 1989 to 1 August 19891990: 23 June 1990 to 15 September 19901991: 4 July 1991 to 31 August 19911992: 23 June 1992 to 21 August 19921994: 21 June 1994 to 28 August 19941995: 8 July 1995 to 5 September 19951996: 9 June 1996 to 4 September 19961997: 7 July 1997 to 26 August 19971998: 30 June 1998 to 11 September 19981999: 3 July 1999 to 24 August 19992000: 6 June 2000 to 17 September 20002001: 22 June 2001 to 25 September 20012010: 24 June 2010 to 2 October 20102011: 24 June 2011 to 27 August 20112013: 9 June 2013 to 7 September 20132014: 3 July 2014 to 12 August 20142015: 18 June 2015 to 26 August 20152016: 9 June 2016 to 9 August 20162017: 8 June 2017 to 3 September 20172018: 5 June 2018 to 17 August 20182019: 28 June 2019 to 5 September 20192020: 5 June 2020 to 6 September 20202021: 4 June 2021 to 10 September 20212022: 10 June 2022 to 8 September 20222023: 10 July 2023 to 21 August 20232024: 8 June 2024 to 8 September 20242025: 1 June 2025 to 22 August 20252026: 6 June 2026 to 27 August 202618981951196019691988199820162025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wamsutter meeting 30 C (86 F).
First to last qualifying date each year at Wamsutter
YearFirst dateLast date
18981898-06-161898-09-21
18991899-06-301899-08-31
19131913-06-041913-09-06
19311931-06-071931-09-04
19321932-06-171932-08-24
19331933-06-101933-09-06
19341934-05-291934-08-26
19491949-07-151949-08-22
19501950-07-011950-09-05
19511951-07-041951-08-01
19521952-06-091952-08-18
19531953-06-291953-07-27
19541954-06-221954-09-01
19551955-06-221955-09-01
19561956-06-101956-07-27
19571957-07-021957-08-10
19581958-06-271958-08-17
19591959-06-121959-08-17
19601960-06-291960-09-04
19611961-06-211961-08-23
19621962-06-241962-08-26
19631963-06-271963-08-16
19641964-07-011964-08-18
19651965-07-151965-08-12
19661966-06-281966-08-19
19671967-07-101967-08-27
19681968-06-201968-09-11
19691969-07-021969-08-27
19741974-06-131974-08-19
19751975-06-301975-08-10
19761976-06-201976-09-05
19771977-06-021977-09-07
19781978-06-231978-09-07
19821982-06-281982-08-23
19831983-07-071983-09-01
19841984-06-291984-07-20
19881988-06-051988-08-26
19891989-06-151989-08-01
19901990-06-231990-09-15
19911991-07-041991-08-31
19921992-06-231992-08-21
19941994-06-211994-08-28
19951995-07-081995-09-05
19961996-06-091996-09-04
19971997-07-071997-08-26
19981998-06-301998-09-11
19991999-07-031999-08-24
20002000-06-062000-09-17
20012001-06-222001-09-25
20102010-06-242010-10-02
20112011-06-242011-08-27
20132013-06-092013-09-07
20142014-07-032014-08-12
20152015-06-182015-08-26
20162016-06-092016-08-09
20172017-06-082017-09-03
20182018-06-052018-08-17
20192019-06-282019-09-05
20202020-06-052020-09-06
20212021-06-042021-09-10
20222022-06-102022-09-08
20232023-07-102023-08-21
20242024-06-082024-09-08
20252025-06-012025-08-22
20262026-06-062026-08-27

Every Fixed Threshold

Fixed thresholds at Wamsutter
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6551193343
35 C (95 F): Days211818985
40 C (104 F): Days1119321
90 F (32.2 C): Days6037189825
100 F (37.8 C): Days3518981
0 C (32 F): Ice days (max65107196410
0 C (32 F): Frost days (min652441975111
-10 C (14 F): Days with min65109198425
-20 C (-4 F): Days with min655518982
-30 C (-22 F): Days with min40519321
-40 C (-40 F): Days with min2120111
20 C (68 F): Tropical nights (min3219831
10 mm (0.39 in): Days with 10 mm or more rain61919987
25 mm (0.98 in): Days with 25 mm or more rain14319831
50 mm (1.97 in): Days with 50 mm or more rain1119991
10 cm (3.9 in): Days with 10 cm or more snowfall38820192
25 cm (9.8 in): Days with 25 cm or more snowfall7119891

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

  • Data for Wamsutter 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 (2026-10-17).