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Built 2026-10-17 (17 October 2026)

Gros Ventre Summit Threshold Days by Year

10 fixed thresholds counted per year at Gros Ventre Summit (USS0010F19S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gros Ventre Summit Thresholds

  • Gros Ventre Summit: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1995 with 25.
  • Gros Ventre Summit: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 2002 with 118.
  • Gros Ventre Summit: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2008 with 325.
  • Gros Ventre Summit: nights with a minimum temperature at or below -10 C (14 F) in 33 years, most in 2013 with 175.
  • 10 fixed thresholds have at least one qualifying day at Gros Ventre Summit.
15 years with a qualifying day
Days at or above 30 C (86 F) per year at Gros Ventre Summit Days per year at Gros Ventre Summit with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2025. 0510151988: 111989: 81990: 32002: 12007: 12017: 12018: 32019: 22020: 32021: 32022: 42023: 32024: 82025: 132026: 1119881990200720182020202220242026
Days per year at Gros Ventre Summit with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2025.
Days at or above 30 C (86 F) per year at Gros Ventre Summit
YearDaysDecade average
1988119.5
198989.5
199033
200211
200711
201712
201832
201922
202036.4
202136.4
202246.4
202336.4
202486.4
2025136.4
2026116.4
First to last qualifying date each year at Gros Ventre Summit For each year, a bar from the first to the last day at Gros Ventre Summit meeting 30 C (86 F). 1988: 4 June 1988 to 31 July 19881989: 19 June 1989 to 31 July 19891990: 23 June 1990 to 30 June 19902002: 14 July 2002 to 14 July 20022007: 23 July 2007 to 23 July 20072017: 5 July 2017 to 5 July 20172018: 6 July 2018 to 11 August 20182019: 22 July 2019 to 23 July 20192020: 3 August 2020 to 5 September 20202021: 14 June 2021 to 27 July 20212022: 17 July 2022 to 7 September 20222023: 23 July 2023 to 30 July 20232024: 10 July 2024 to 6 August 20242025: 1 July 2025 to 23 August 20252026: 11 July 2026 to 5 September 202619881990200720182020202220242026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gros Ventre Summit meeting 30 C (86 F).
First to last qualifying date each year at Gros Ventre Summit
YearFirst dateLast date
19881988-06-041988-07-31
19891989-06-191989-07-31
19901990-06-231990-06-30
20022002-07-142002-07-14
20072007-07-232007-07-23
20172017-07-052017-07-05
20182018-07-062018-08-11
20192019-07-222019-07-23
20202020-08-032020-09-05
20212021-06-142021-07-27
20222022-07-172022-09-07
20232023-07-232023-07-30
20242024-07-102024-08-06
20252025-07-012025-08-23
20262026-07-112026-09-05

Every Fixed Threshold

Fixed thresholds at Gros Ventre Summit
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1513202511
90 F (32.2 C): Days6219895
0 C (32 F): Ice days (max39118200229
0 C (32 F): Frost days (min333252008220
-10 C (14 F): Days with min33175201383
-20 C (-4 F): Days with min3377202221
-30 C (-22 F): Days with min311220223
10 mm (0.39 in): Days with 10 mm or more rain4225199510
25 mm (0.98 in): Days with 25 mm or more rain24320143
50 mm (1.97 in): Days with 50 mm or more rain10n/a2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

  • Data for Gros Ventre Summit 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).