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

Cottonwood Alaska Threshold Days by Year (USR0000ACOT)

9 fixed thresholds counted per year at Cottonwood Alaska (USR0000ACOT): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cottonwood Alaska Thresholds

  • Cottonwood Alaska: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 2022 with 197.
  • Cottonwood Alaska: nights with a minimum temperature at or below 0 C (32 F) in 13 years, most in 2000 with 251.
  • Cottonwood Alaska: nights with a minimum temperature at or below -10 C (14 F) in 13 years, most in 2022 with 187.
  • Cottonwood Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 13 years, most in 2022 with 150.
  • 9 fixed thresholds have at least one qualifying day at Cottonwood Alaska.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Cottonwood Alaska Days per year at Cottonwood Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2019. 012342009: 12019: 42023: 12025: 12009201920232025
Days per year at Cottonwood Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2019.
Days at or above 30 C (86 F) per year at Cottonwood Alaska
YearDaysDecade average
200911
201944
202311
202511
First to last qualifying date each year at Cottonwood Alaska For each year, a bar from the first to the last day at Cottonwood Alaska meeting 30 C (86 F). 2009: 7 July 2009 to 7 July 20092019: 28 June 2019 to 10 July 20192023: 23 July 2023 to 23 July 20232025: 5 July 2025 to 5 July 20252009201920232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cottonwood Alaska meeting 30 C (86 F).
First to last qualifying date each year at Cottonwood Alaska
YearFirst dateLast date
20092009-07-072009-07-07
20192019-06-282019-07-10
20232023-07-232023-07-23
20252025-07-052025-07-05

Every Fixed Threshold

Fixed thresholds at Cottonwood Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4420191
0 C (32 F): Ice days (max131972022163
0 C (32 F): Frost days (min132512000228
-10 C (14 F): Days with min131872022130
-20 C (-4 F): Days with min13150202251
-30 C (-22 F): Days with min123019993
-40 C (-40 F): Days with min1719997
20 C (68 F): Tropical nights (min2520215
25 C (77 F): Days with min1120211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2009.

Download the Data

  • Data for Cottonwood Alaska 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).