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

Cougar 4 SW Threshold Days by Year (USC00451759)

13 fixed thresholds counted per year at Cougar 4 SW (USC00451759): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cougar 4 SW Thresholds

  • Cougar 4 SW: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1917 with 34.
  • Cougar 4 SW: days with a maximum temperature at or above 90 F (32.2 C) in 12 years, most in 1906 with 17.
  • Cougar 4 SW: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 1916 with 21.
  • Cougar 4 SW: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 1916 with 81.
  • 13 fixed thresholds have at least one qualifying day at Cougar 4 SW.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Cougar 4 SW Days per year at Cougar 4 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1917. 0102030401906: 311907: 271908: 281909: 141910: 181911: 241912: 231913: 221914: 251915: 191916: 151917: 34190619081910191219141916
Days per year at Cougar 4 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1917.
Days at or above 30 C (86 F) per year at Cougar 4 SW
YearDaysDecade average
19063125
19072725
19082825
19091425
19101822.5
19112422.5
19122322.5
19132222.5
19142522.5
19151922.5
19161522.5
19173422.5
First to last qualifying date each year at Cougar 4 SW For each year, a bar from the first to the last day at Cougar 4 SW meeting 30 C (86 F). 1906: 20 April 1906 to 9 October 19061907: 30 May 1907 to 23 September 19071908: 8 June 1908 to 4 September 19081909: 2 May 1909 to 15 September 19091910: 22 April 1910 to 19 August 19101911: 30 May 1911 to 30 August 19111912: 12 May 1912 to 13 September 19121913: 31 May 1913 to 20 September 19131914: 13 May 1914 to 24 August 19141915: 5 June 1915 to 29 August 19151916: 12 June 1916 to 15 September 19161917: 13 June 1917 to 9 October 1917190619081910191219141916JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cougar 4 SW meeting 30 C (86 F).
First to last qualifying date each year at Cougar 4 SW
YearFirst dateLast date
19061906-04-201906-10-09
19071907-05-301907-09-23
19081908-06-081908-09-04
19091909-05-021909-09-15
19101910-04-221910-08-19
19111911-05-301911-08-30
19121912-05-121912-09-13
19131913-05-311913-09-20
19141914-05-131914-08-24
19151915-06-051915-08-29
19161916-06-121916-09-15
19171917-06-131917-10-09

Every Fixed Threshold

Fixed thresholds at Cougar 4 SW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1234191734
35 C (95 F): Days11819063
40 C (104 F): Days1119061
90 F (32.2 C): Days1217190615
100 F (37.8 C): Days4219061
0 C (32 F): Ice days (max122119162
0 C (32 F): Frost days (min1281191665
-10 C (14 F): Days with min5819091
20 C (68 F): Tropical nights (min1119061
10 mm (0.39 in): Days with 10 mm or more rain1090191663
25 mm (0.98 in): Days with 25 mm or more rain1036191622
50 mm (1.97 in): Days with 50 mm or more rain101119105
100 mm (3.94 in): Days with 100 mm or more rain4219081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Cougar 4 SW 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).