Built 2026-10-17 (17 October 2026)

Fishtail Montana Threshold Days by Year

11 fixed thresholds counted per year at Fishtail Montana (USR0000MFIS): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fishtail Montana Thresholds

  • Fishtail Montana: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2012 with 54.
  • Fishtail Montana: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 2019 with 49.
  • Fishtail Montana: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 2019 with 171.
  • Fishtail Montana: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 2019 with 56.
  • 11 fixed thresholds have at least one qualifying day at Fishtail Montana.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Fishtail Montana Days per year at Fishtail Montana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2012. 02040601993: 21994: 291995: 211999: 342000: 422001: 392002: 312003: 532004: 152005: 402006: 442007: 502008: 292009: 292010: 292011: 402012: 542013: 472014: 242015: 342016: 342017: 452018: 202019: 122020: 402021: 522022: 502023: 172024: 402025: 232026: 4119932000200420082012201620202024
Days per year at Fishtail Montana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 54 in 2012.
Days at or above 30 C (86 F) per year at Fishtail Montana
YearDaysDecade average
1993221.5
19942921.5
19952121.5
19993421.5
20004237.2
20013937.2
20023137.2
20035337.2
20041537.2
20054037.2
20064437.2
20075037.2
20082937.2
20092937.2
20102933.9
20114033.9
20125433.9
20134733.9
20142433.9
20153433.9
20163433.9
20174533.9
20182033.9
20191233.9
20204037.6
20215237.6
20225037.6
20231737.6
20244037.6
20252337.6
20264137.6
First to last qualifying date each year at Fishtail Montana For each year, a bar from the first to the last day at Fishtail Montana meeting 30 C (86 F). 1993: 20 June 1993 to 9 August 19931994: 28 June 1994 to 9 September 19941995: 7 July 1995 to 3 September 19951999: 21 June 1999 to 30 August 19992000: 5 June 2000 to 17 September 20002001: 12 May 2001 to 28 September 20012002: 26 June 2002 to 16 September 20022003: 28 May 2003 to 5 September 20032004: 11 July 2004 to 11 September 20042005: 17 June 2005 to 9 September 20052006: 18 May 2006 to 13 September 20062007: 22 June 2007 to 4 September 20072008: 29 June 2008 to 30 August 20082009: 25 June 2009 to 26 September 20092010: 28 June 2010 to 3 October 20102011: 28 June 2011 to 1 October 20112012: 5 June 2012 to 18 September 20122013: 13 May 2013 to 6 September 20132014: 28 May 2014 to 25 September 20142015: 26 June 2015 to 26 September 20152016: 7 June 2016 to 2 September 20162017: 4 June 2017 to 12 September 20172018: 6 July 2018 to 17 August 20182019: 23 July 2019 to 15 September 20192020: 12 June 2020 to 24 September 20202021: 3 June 2021 to 10 September 20212022: 17 June 2022 to 7 September 20222023: 16 July 2023 to 2 September 20232024: 23 June 2024 to 29 September 20242025: 1 July 2025 to 3 September 20252026: 13 May 2026 to 10 September 202619932000200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fishtail Montana meeting 30 C (86 F).
First to last qualifying date each year at Fishtail Montana
YearFirst dateLast date
19931993-06-201993-08-09
19941994-06-281994-09-09
19951995-07-071995-09-03
19991999-06-211999-08-30
20002000-06-052000-09-17
20012001-05-122001-09-28
20022002-06-262002-09-16
20032003-05-282003-09-05
20042004-07-112004-09-11
20052005-06-172005-09-09
20062006-05-182006-09-13
20072007-06-222007-09-04
20082008-06-292008-08-30
20092009-06-252009-09-26
20102010-06-282010-10-03
20112011-06-282011-10-01
20122012-06-052012-09-18
20132013-05-132013-09-06
20142014-05-282014-09-25
20152015-06-262015-09-26
20162016-06-072016-09-02
20172017-06-042017-09-12
20182018-07-062018-08-17
20192019-07-232019-09-15
20202020-06-122020-09-24
20212021-06-032021-09-10
20222022-06-172022-09-07
20232023-07-162023-09-02
20242024-06-232024-09-29
20252025-07-012025-09-03
20262026-05-132026-09-10

Every Fixed Threshold

Fixed thresholds at Fishtail Montana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3154201241
35 C (95 F): Days261720039
40 C (104 F): Days10n/a1
90 F (32.2 C): Days3035200728
100 F (37.8 C): Days10320024
0 C (32 F): Ice days (max3149201912
0 C (32 F): Frost days (min31171201972
-10 C (14 F): Days with min3156201912
-20 C (-4 F): Days with min311720191
-30 C (-22 F): Days with min5420244
20 C (68 F): Tropical nights (min22520123

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Fishtail Montana 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).