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Built 2026-10-18 (18 October 2026)

Wolf Mountain Montana Threshold Days by Year

12 fixed thresholds counted per year at Wolf Mountain Montana (USR0000MWOL): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wolf Mountain Montana Thresholds

  • Wolf Mountain Montana: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 2003 with 46.
  • Wolf Mountain Montana: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1996 with 69.
  • Wolf Mountain Montana: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 2008 with 173.
  • Wolf Mountain Montana: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1996 with 66.
  • 12 fixed thresholds have at least one qualifying day at Wolf Mountain Montana.
41 years with a qualifying day
Days at or above 30 C (86 F) per year at Wolf Mountain Montana Days per year at Wolf Mountain Montana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 2003. 02040601986: 91987: 61988: 411989: 251990: 181991: 251992: 31993: 11994: 241995: 251996: 321997: 81998: 311999: 272000: 322001: 452002: 312003: 462004: 132005: 352006: 342007: 352008: 172009: 162010: 202011: 252012: 412013: 282014: 142015: 202016: 302017: 342018: 152019: 112020: 352021: 452022: 342023: 162024: 312025: 192026: 33198619911996200120062011201620212026
Days per year at Wolf Mountain Montana with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 46 in 2003.
Days at or above 30 C (86 F) per year at Wolf Mountain Montana
YearDaysDecade average
1986920.3
1987620.3
19884120.3
19892520.3
19901819.4
19912519.4
1992319.4
1993119.4
19942419.4
19952519.4
19963219.4
1997819.4
19983119.4
19992719.4
20003230.4
20014530.4
20023130.4
20034630.4
20041330.4
20053530.4
20063430.4
20073530.4
20081730.4
20091630.4
20102023.8
20112523.8
20124123.8
20132823.8
20141423.8
20152023.8
20163023.8
20173423.8
20181523.8
20191123.8
20203530.4
20214530.4
20223430.4
20231630.4
20243130.4
20251930.4
20263330.4
First to last qualifying date each year at Wolf Mountain Montana For each year, a bar from the first to the last day at Wolf Mountain Montana meeting 30 C (86 F). 1986: 24 June 1986 to 29 August 19861987: 5 June 1987 to 2 September 19871988: 4 June 1988 to 6 September 19881989: 19 June 1989 to 17 September 19891990: 26 June 1990 to 12 September 19901991: 14 July 1991 to 6 September 19911992: 15 August 1992 to 23 September 19921993: 10 August 1993 to 10 August 19931994: 21 June 1994 to 9 September 19941995: 7 July 1995 to 3 September 19951996: 8 June 1996 to 4 September 19961997: 9 July 1997 to 10 September 19971998: 12 July 1998 to 18 September 19981999: 21 June 1999 to 30 August 19992000: 8 June 2000 to 16 September 20002001: 13 May 2001 to 28 September 20012002: 24 June 2002 to 16 September 20022003: 30 June 2003 to 7 September 20032004: 11 July 2004 to 18 September 20042005: 21 June 2005 to 9 September 20052006: 28 June 2006 to 30 August 20062007: 23 June 2007 to 4 September 20072008: 30 June 2008 to 30 August 20082009: 25 June 2009 to 19 September 20092010: 29 June 2010 to 26 September 20102011: 29 June 2011 to 1 October 20112012: 24 June 2012 to 10 September 20122013: 4 July 2013 to 6 September 20132014: 4 July 2014 to 25 September 20142015: 27 June 2015 to 26 September 20152016: 7 June 2016 to 2 September 20162017: 2 July 2017 to 12 September 20172018: 6 July 2018 to 17 August 20182019: 24 July 2019 to 16 September 20192020: 12 June 2020 to 24 September 20202021: 4 June 2021 to 18 September 20212022: 17 June 2022 to 7 September 20222023: 22 July 2023 to 3 September 20232024: 23 June 2024 to 29 September 20242025: 1 July 2025 to 2 September 20252026: 13 May 2026 to 4 September 20261986199219982004201020162022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wolf Mountain Montana meeting 30 C (86 F).
First to last qualifying date each year at Wolf Mountain Montana
YearFirst dateLast date
19861986-06-241986-08-29
19871987-06-051987-09-02
19881988-06-041988-09-06
19891989-06-191989-09-17
19901990-06-261990-09-12
19911991-07-141991-09-06
19921992-08-151992-09-23
19931993-08-101993-08-10
19941994-06-211994-09-09
19951995-07-071995-09-03
19961996-06-081996-09-04
19971997-07-091997-09-10
19981998-07-121998-09-18
19991999-06-211999-08-30
20002000-06-082000-09-16
20012001-05-132001-09-28
20022002-06-242002-09-16
20032003-06-302003-09-07
20042004-07-112004-09-18
20052005-06-212005-09-09
20062006-06-282006-08-30
20072007-06-232007-09-04
20082008-06-302008-08-30
20092009-06-252009-09-19
20102010-06-292010-09-26
20112011-06-292011-10-01
20122012-06-242012-09-10
20132013-07-042013-09-06
20142014-07-042014-09-25
20152015-06-272015-09-26
20162016-06-072016-09-02
20172017-07-022017-09-12
20182018-07-062018-08-17
20192019-07-242019-09-16
20202020-06-122020-09-24
20212021-06-042021-09-18
20222022-06-172022-09-07
20232023-07-222023-09-03
20242024-06-232024-09-29
20252025-07-012025-09-02
20262026-05-132026-09-04

Every Fixed Threshold

Fixed thresholds at Wolf Mountain Montana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4146200333
35 C (95 F): Days261620036
40 C (104 F): Days1120021
90 F (32.2 C): Days3931200321
100 F (37.8 C): Days6520033
0 C (32 F): Ice days (max4169199618
0 C (32 F): Frost days (min41173200868
-10 C (14 F): Days with min4166199614
-20 C (-4 F): Days with min412819964
-30 C (-22 F): Days with min8619903
20 C (68 F): Tropical nights (min3914202112
25 C (77 F): Days with min2120071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1986.

Download the Data

  • Data for Wolf Mountain 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).