Daily records
Page built 2026-10-19
Data as of 2025-12-31
Search
Built 2026-10-19 (19 October 2026)

Big Sky 2WNW Threshold Days by Year (USC00240775)

13 fixed thresholds counted per year at Big Sky 2WNW (USC00240775): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Big Sky 2WNW Thresholds

  • Big Sky 2WNW: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1991 with 19.
  • Big Sky 2WNW: nights with a minimum temperature at or below 0 C (32 F) in 16 years, most in 2008 with 270.
  • Big Sky 2WNW: nights with a minimum temperature at or below -10 C (14 F) in 16 years, most in 2008 with 110.
  • Big Sky 2WNW: nights with a minimum temperature at or below -20 C (-4 F) in 16 years, most in 2009 with 25.
  • 13 fixed thresholds have at least one qualifying day at Big Sky 2WNW.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Big Sky 2WNW Days per year at Big Sky 2WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1988. 01020301986: 21987: 31988: 271991: 92001: 112002: 82006: 92007: 142008: 52009: 22011: 12012: 72013: 31986198820012006200820112013
Days per year at Big Sky 2WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1988.
Days at or above 30 C (86 F) per year at Big Sky 2WNW
YearDaysDecade average
1986210.7
1987310.7
19882710.7
199199
2001118.2
200288.2
200698.2
2007148.2
200858.2
200928.2
201113.7
201273.7
201333.7
First to last qualifying date each year at Big Sky 2WNW For each year, a bar from the first to the last day at Big Sky 2WNW meeting 30 C (86 F). 1986: 18 August 1986 to 28 August 19861987: 26 July 1987 to 23 September 19871988: 23 June 1988 to 6 September 19881991: 13 July 1991 to 31 August 19912001: 1 July 2001 to 4 September 20012002: 27 June 2002 to 16 July 20022006: 15 July 2006 to 30 July 20062007: 5 July 2007 to 13 August 20072008: 4 July 2008 to 26 August 20082009: 21 August 2009 to 22 August 20092011: 26 August 2011 to 26 August 20112012: 30 July 2012 to 28 August 20122013: 2 July 2013 to 17 August 20131986198820012006200820112013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Big Sky 2WNW meeting 30 C (86 F).
First to last qualifying date each year at Big Sky 2WNW
YearFirst dateLast date
19861986-08-181986-08-28
19871987-07-261987-09-23
19881988-06-231988-09-06
19911991-07-131991-08-31
20012001-07-012001-09-04
20022002-06-272002-07-16
20062006-07-152006-07-30
20072007-07-052007-08-13
20082008-07-042008-08-26
20092009-08-212009-08-22
20112011-08-262011-08-26
20122012-07-302012-08-28
20132013-07-022013-08-17

Every Fixed Threshold

Fixed thresholds at Big Sky 2WNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days132719883
35 C (95 F): Days1220022
90 F (32.2 C): Days6819884
0 C (32 F): Ice days (max1575201365
0 C (32 F): Frost days (min162702008248
-10 C (14 F): Days with min16110200888
-20 C (-4 F): Days with min1625200924
-30 C (-22 F): Days with min14320093
-40 C (-40 F): Days with min10n/a1
10 mm (0.39 in): Days with 10 mm or more rain1819199117
25 mm (0.98 in): Days with 25 mm or more rain8419911
10 cm (3.9 in): Days with 10 cm or more snowfall1221200618
25 cm (9.8 in): Days with 25 cm or more snowfall11220081

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 Big Sky 2WNW 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).