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Data as of 2026-10-17
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Built 2026-10-18 (18 October 2026)

Snake River Station Threshold Days by Year

13 fixed thresholds counted per year at Snake River Station (USS0010E12S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Snake River Station Thresholds

  • Snake River Station: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1996 with 45.
  • Snake River Station: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1997 with 7.
  • Snake River Station: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 2022 with 89.
  • Snake River Station: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 2007 with 32.
  • 13 fixed thresholds have at least one qualifying day at Snake River Station.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Snake River Station Days per year at Snake River Station with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 2007. 0102030401990: 31994: 52005: 112006: 182007: 322008: 152009: 32010: 12011: 42012: 132013: 132015: 52016: 72017: 72018: 92019: 52020: 102021: 202022: 222023: 62024: 142025: 52026: 1719902006200920122016201920222025
Days per year at Snake River Station with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 2007.
Days at or above 30 C (86 F) per year at Snake River Station
YearDaysDecade average
199034
199454
20051115.8
20061815.8
20073215.8
20081515.8
2009315.8
201017.1
201147.1
2012137.1
2013137.1
201557.1
201677.1
201777.1
201897.1
201957.1
20201013.4
20212013.4
20222213.4
2023613.4
20241413.4
2025513.4
20261713.4
First to last qualifying date each year at Snake River Station For each year, a bar from the first to the last day at Snake River Station meeting 30 C (86 F). 1990: 7 August 1990 to 9 August 19901994: 22 July 1994 to 5 August 19942005: 21 June 2005 to 29 August 20052006: 7 June 2006 to 5 September 20062007: 20 June 2007 to 3 September 20072008: 29 June 2008 to 30 August 20082009: 23 July 2009 to 22 August 20092010: 26 August 2010 to 26 August 20102011: 3 July 2011 to 27 August 20112012: 24 June 2012 to 28 August 20122013: 28 June 2013 to 19 August 20132015: 27 June 2015 to 2 August 20152016: 18 July 2016 to 15 August 20162017: 6 July 2017 to 3 September 20172018: 6 July 2018 to 13 August 20182019: 12 July 2019 to 1 September 20192020: 31 July 2020 to 5 September 20202021: 13 June 2021 to 9 September 20212022: 8 July 2022 to 7 September 20222023: 22 July 2023 to 17 August 20232024: 9 July 2024 to 5 August 20242025: 8 July 2025 to 4 September 20252026: 24 June 2026 to 21 August 202619902006200920122016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Snake River Station meeting 30 C (86 F).
First to last qualifying date each year at Snake River Station
YearFirst dateLast date
19901990-08-071990-08-09
19941994-07-221994-08-05
20052005-06-212005-08-29
20062006-06-072006-09-05
20072007-06-202007-09-03
20082008-06-292008-08-30
20092009-07-232009-08-22
20102010-08-262010-08-26
20112011-07-032011-08-27
20122012-06-242012-08-28
20132013-06-282013-08-19
20152015-06-272015-08-02
20162016-07-182016-08-15
20172017-07-062017-09-03
20182018-07-062018-08-13
20192019-07-122019-09-01
20202020-07-312020-09-05
20212021-06-132021-09-09
20222022-07-082022-09-07
20232023-07-222023-08-17
20242024-07-092024-08-05
20252025-07-082025-09-04
20262026-06-242026-08-21

Every Fixed Threshold

Fixed thresholds at Snake River Station
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2332200717
35 C (95 F): Days2120077
40 C (104 F): Days10n/a1
90 F (32.2 C): Days1112200710
100 F (37.8 C): Days10n/a1
0 C (32 F): Ice days (max2789202232
0 C (32 F): Frost days (min222922011188
-10 C (14 F): Days with min22128200854
-20 C (-4 F): Days with min2256202215
-30 C (-22 F): Days with min21820131
10 mm (0.39 in): Days with 10 mm or more rain3745199617
25 mm (0.98 in): Days with 25 mm or more rain29719974
50 mm (1.97 in): Days with 50 mm or more rain1120071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1990.

Download the Data

  • Data for Snake River Station 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 (2026-10-17).