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Built 2026-10-19 (19 October 2026)

Cougar Mountain Threshold Days by Year (USS0021B42S)

12 fixed thresholds counted per year at Cougar Mountain (USS0021B42S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cougar Mountain Thresholds

  • Cougar Mountain: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1984 with 116.
  • Cougar Mountain: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 2014 with 42.
  • Cougar Mountain: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1983 with 12.
  • Cougar Mountain: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1996 with 63.
  • 12 fixed thresholds have at least one qualifying day at Cougar Mountain.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Cougar Mountain Days per year at Cougar Mountain with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1992. 0358101991: 21992: 91994: 21995: 31996: 51998: 42002: 22003: 22004: 32006: 52007: 22008: 22014: 12017: 12020: 12021: 52022: 22023: 1199119941996200220042007201420202022
Days per year at Cougar Mountain with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1992.
Days at or above 30 C (86 F) per year at Cougar Mountain
YearDaysDecade average
199124.2
199294.2
199424.2
199534.2
199654.2
199844.2
200222.7
200322.7
200432.7
200652.7
200722.7
200822.7
201411
201711
202012.3
202152.3
202222.3
202312.3
First to last qualifying date each year at Cougar Mountain For each year, a bar from the first to the last day at Cougar Mountain meeting 30 C (86 F). 1991: 2 July 1991 to 23 July 19911992: 22 June 1992 to 17 August 19921994: 20 July 1994 to 21 July 19941995: 30 June 1995 to 18 July 19951996: 13 July 1996 to 25 August 19961998: 26 July 1998 to 31 August 19982002: 10 July 2002 to 22 July 20022003: 6 June 2003 to 3 September 20032004: 23 July 2004 to 14 August 20042006: 25 June 2006 to 23 July 20062007: 10 July 2007 to 11 July 20072008: 28 June 2008 to 29 June 20082014: 11 August 2014 to 11 August 20142017: 25 June 2017 to 25 June 20172020: 16 August 2020 to 16 August 20202021: 26 June 2021 to 12 August 20212022: 26 July 2022 to 2 September 20222023: 14 August 2023 to 14 August 2023199119952002200620142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cougar Mountain meeting 30 C (86 F).
First to last qualifying date each year at Cougar Mountain
YearFirst dateLast date
19911991-07-021991-07-23
19921992-06-221992-08-17
19941994-07-201994-07-21
19951995-06-301995-07-18
19961996-07-131996-08-25
19981998-07-261998-08-31
20022002-07-102002-07-22
20032003-06-062003-09-03
20042004-07-232004-08-14
20062006-06-252006-07-23
20072007-07-102007-07-11
20082008-06-282008-06-29
20142014-08-112014-08-11
20172017-06-252017-06-25
20202020-08-162020-08-16
20212021-06-262021-08-12
20222022-07-262022-09-02
20232023-08-142023-08-14

Every Fixed Threshold

Fixed thresholds at Cougar Mountain
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days18919921
35 C (95 F): Days1220212
90 F (32.2 C): Days11420214
0 C (32 F): Ice days (max356319966
0 C (32 F): Frost days (min35169199943
-10 C (14 F): Days with min221119961
20 C (68 F): Tropical nights (min9219922
10 mm (0.39 in): Days with 10 mm or more rain44116198454
25 mm (0.98 in): Days with 25 mm or more rain4442201416
50 mm (1.97 in): Days with 50 mm or more rain431219835
100 mm (3.94 in): Days with 100 mm or more rain20420152
200 mm (7.87 in): Days with 200 mm or more rain2120061

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1991.

Download the Data

  • Data for Cougar Mountain 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).