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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Shock Idaho Threshold Days by Year (USR0000ISHO)

11 fixed thresholds counted per year at Shock Idaho (USR0000ISHO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shock Idaho Thresholds

  • Shock Idaho: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 2017 with 54.
  • Shock Idaho: days with a maximum temperature at or above 35 C (95 F) in 12 years, most in 2015 with 16.
  • Shock Idaho: days with a maximum temperature at or above 90 F (32.2 C) in 12 years, most in 2021 with 36.
  • Shock Idaho: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 2022 with 53.
  • 11 fixed thresholds have at least one qualifying day at Shock Idaho.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Shock Idaho Days per year at Shock Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2017. 02040602014: 392015: 462016: 292017: 542018: 372019: 222020: 252021: 522022: 432023: 372024: 432025: 46201420162018202020222024
Days per year at Shock Idaho with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2017.
Days at or above 30 C (86 F) per year at Shock Idaho
YearDaysDecade average
20143937.8
20154637.8
20162937.8
20175437.8
20183737.8
20192237.8
20202541
20215241
20224341
20233741
20244341
20254641
First to last qualifying date each year at Shock Idaho For each year, a bar from the first to the last day at Shock Idaho meeting 30 C (86 F). 2014: 1 July 2014 to 21 September 20142015: 7 June 2015 to 12 September 20152016: 4 June 2016 to 30 August 20162017: 30 May 2017 to 12 September 20172018: 27 April 2018 to 6 September 20182019: 12 July 2019 to 5 September 20192020: 29 May 2020 to 6 September 20202021: 1 June 2021 to 9 September 20212022: 26 June 2022 to 27 September 20222023: 30 April 2023 to 16 September 20232024: 22 June 2024 to 8 September 20242025: 25 May 2025 to 6 September 2025201420162018202020222024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shock Idaho meeting 30 C (86 F).
First to last qualifying date each year at Shock Idaho
YearFirst dateLast date
20142014-07-012014-09-21
20152015-06-072015-09-12
20162016-06-042016-08-30
20172017-05-302017-09-12
20182018-04-272018-09-06
20192019-07-122019-09-05
20202020-05-292020-09-06
20212021-06-012021-09-09
20222022-06-262022-09-27
20232023-04-302023-09-16
20242024-06-222024-09-08
20252025-05-252025-09-06

Every Fixed Threshold

Fixed thresholds at Shock Idaho
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1254201746
35 C (95 F): Days121620158
40 C (104 F): Days3420214
90 F (32.2 C): Days1236202127
100 F (37.8 C): Days9520213
0 C (32 F): Ice days (max1253202239
0 C (32 F): Frost days (min121522022106
-10 C (14 F): Days with min121920149
-20 C (-4 F): Days with min2220142
20 C (68 F): Tropical nights (min1222201717
25 C (77 F): Days with min3220212

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2014.

Download the Data

  • Data for Shock Idaho 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 (2025-12-31).