Built 2026-10-18 (18 October 2026)

Tetonia Exp STN Threshold Days by Year

12 fixed thresholds counted per year at Tetonia Exp STN (USC00109065): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tetonia Exp STN Thresholds

  • Tetonia Exp STN: days with a maximum temperature at or below 0 C (32 F) in 54 years, most in 1964 with 107.
  • Tetonia Exp STN: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1982 with 21.
  • Tetonia Exp STN: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1974 with 29.
  • Tetonia Exp STN: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1975 with 247.
  • 12 fixed thresholds have at least one qualifying day at Tetonia Exp STN.
53 years with a qualifying day
Days at or above 30 C (86 F) per year at Tetonia Exp STN Days per year at Tetonia Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1974. 01020301951: 71952: 41953: 161954: 201955: 211956: 121957: 91958: 151959: 131960: 171961: 201962: 31963: 121964: 131965: 41966: 251967: 121968: 111969: 201970: 161971: 131973: 111974: 291975: 131976: 111977: 121978: 111979: 161982: 61996: 31998: 71999: 32000: 102001: 212002: 92003: 272006: 122011: 82012: 122013: 102014: 42015: 52016: 72017: 42018: 82019: 62020: 112021: 102022: 162023: 42024: 92025: 62026: 21195119571963196919761998200620162022
Days per year at Tetonia Exp STN with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1974.
Days at or above 30 C (86 F) per year at Tetonia Exp STN
YearDaysDecade average
1951713
1952413
19531613
19542013
19552113
19561213
1957913
19581513
19591313
19601713.7
19612013.7
1962313.7
19631213.7
19641313.7
1965413.7
19662513.7
19671213.7
19681113.7
19692013.7
19701614.7
19711314.7
19731114.7
19742914.7
19751314.7
19761114.7
19771214.7
19781114.7
19791614.7
198266
199634.3
199874.3
199934.3
20001015.8
20012115.8
2002915.8
20032715.8
20061215.8
201187.1
2012127.1
2013107.1
201447.1
201557.1
201677.1
201747.1
201887.1
201967.1
20201111
20211011
20221611
2023411
2024911
2025611
20262111
First to last qualifying date each year at Tetonia Exp STN For each year, a bar from the first to the last day at Tetonia Exp STN meeting 30 C (86 F). 1951: 14 July 1951 to 25 July 19511952: 23 July 1952 to 24 August 19521953: 9 July 1953 to 13 August 19531954: 22 June 1954 to 9 September 19541955: 14 July 1955 to 7 September 19551956: 28 June 1956 to 23 August 19561957: 9 July 1957 to 19 August 19571958: 27 June 1958 to 7 September 19581959: 12 June 1959 to 9 September 19591960: 9 July 1960 to 21 August 19601961: 18 June 1961 to 23 August 19611962: 12 August 1962 to 15 August 19621963: 3 July 1963 to 12 September 19631964: 26 June 1964 to 18 August 19641965: 15 July 1965 to 9 August 19651966: 28 June 1966 to 9 September 19661967: 12 July 1967 to 5 September 19671968: 19 June 1968 to 7 August 19681969: 18 July 1969 to 1 September 19691970: 24 June 1970 to 25 August 19701971: 23 June 1971 to 15 August 19711973: 3 July 1973 to 20 August 19731974: 14 June 1974 to 18 August 19741975: 2 July 1975 to 11 August 19751976: 29 June 1976 to 5 September 19761977: 5 June 1977 to 9 September 19771978: 14 July 1978 to 2 September 19781979: 11 June 1979 to 7 September 19791982: 7 August 1982 to 21 August 19821996: 3 July 1996 to 12 August 19961998: 18 July 1998 to 5 September 19981999: 7 July 1999 to 29 July 19992000: 14 July 2000 to 16 September 20002001: 2 July 2001 to 24 September 20012002: 26 June 2002 to 25 July 20022003: 29 May 2003 to 21 August 20032006: 8 June 2006 to 24 August 20062011: 3 July 2011 to 27 August 20112012: 25 June 2012 to 29 August 20122013: 30 June 2013 to 21 August 20132014: 5 July 2014 to 29 July 20142015: 28 June 2015 to 26 August 20152016: 29 June 2016 to 17 August 20162017: 6 July 2017 to 4 September 20172018: 6 July 2018 to 12 August 20182019: 23 July 2019 to 5 September 20192020: 18 July 2020 to 6 September 20202021: 15 June 2021 to 10 September 20212022: 10 July 2022 to 8 September 20222023: 23 July 2023 to 18 August 20232024: 24 June 2024 to 4 August 20242025: 15 July 2025 to 20 August 20252026: 11 July 2026 to 22 August 202619511958196519731982200320162023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tetonia Exp STN meeting 30 C (86 F).
First to last qualifying date each year at Tetonia Exp STN
YearFirst dateLast date
19511951-07-141951-07-25
19521952-07-231952-08-24
19531953-07-091953-08-13
19541954-06-221954-09-09
19551955-07-141955-09-07
19561956-06-281956-08-23
19571957-07-091957-08-19
19581958-06-271958-09-07
19591959-06-121959-09-09
19601960-07-091960-08-21
19611961-06-181961-08-23
19621962-08-121962-08-15
19631963-07-031963-09-12
19641964-06-261964-08-18
19651965-07-151965-08-09
19661966-06-281966-09-09
19671967-07-121967-09-05
19681968-06-191968-08-07
19691969-07-181969-09-01
19701970-06-241970-08-25
19711971-06-231971-08-15
19731973-07-031973-08-20
19741974-06-141974-08-18
19751975-07-021975-08-11
19761976-06-291976-09-05
19771977-06-051977-09-09
19781978-07-141978-09-02
19791979-06-111979-09-07
19821982-08-071982-08-21
19961996-07-031996-08-12
19981998-07-181998-09-05
19991999-07-071999-07-29
20002000-07-142000-09-16
20012001-07-022001-09-24
20022002-06-262002-07-25
20032003-05-292003-08-21
20062006-06-082006-08-24
20112011-07-032011-08-27
20122012-06-252012-08-29
20132013-06-302013-08-21
20142014-07-052014-07-29
20152015-06-282015-08-26
20162016-06-292016-08-17
20172017-07-062017-09-04
20182018-07-062018-08-12
20192019-07-232019-09-05
20202020-07-182020-09-06
20212021-06-152021-09-10
20222022-07-102022-09-08
20232023-07-232023-08-18
20242024-06-242024-08-04
20252025-07-152025-08-20
20262026-07-112026-08-22

Every Fixed Threshold

Fixed thresholds at Tetonia Exp STN
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5329197421
35 C (95 F): Days2219551
90 F (32.2 C): Days351019542
0 C (32 F): Ice days (max54107196429
0 C (32 F): Frost days (min522471975110
-10 C (14 F): Days with min52117196427
-20 C (-4 F): Days with min523819553
-30 C (-22 F): Days with min29919791
10 mm (0.39 in): Days with 10 mm or more rain542119827
25 mm (0.98 in): Days with 25 mm or more rain25320002
50 mm (1.97 in): Days with 50 mm or more rain1119731
10 cm (3.9 in): Days with 10 cm or more snowfall41019965

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

  • Data for Tetonia Exp STN 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).