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

Thorne Bay Alaska Threshold Days by Year (USR0000ATHO)

6 fixed thresholds counted per year at Thorne Bay Alaska (USR0000ATHO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Thorne Bay Alaska Thresholds

  • Thorne Bay Alaska: days with a maximum temperature at or below 0 C (32 F) in 11 years, most in 2021 with 29.
  • Thorne Bay Alaska: nights with a minimum temperature at or below 0 C (32 F) in 11 years, most in 2021 with 123.
  • Thorne Bay Alaska: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 2009 with 13.
  • Thorne Bay Alaska: nights with a minimum temperature at or below -10 C (14 F) in 9 years, most in 2009 with 13.
  • 6 fixed thresholds have at least one qualifying day at Thorne Bay Alaska.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Thorne Bay Alaska Days per year at Thorne Bay Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2009. 0510152009: 132010: 72013: 122018: 22019: 12020: 12021: 32022: 22023: 22024: 22009201020132018201920202021202220232024
Days per year at Thorne Bay Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 2009.
Days at or above 30 C (86 F) per year at Thorne Bay Alaska
YearDaysDecade average
20091313
201075.5
2013125.5
201825.5
201915.5
202012
202132
202222
202322
202422
First to last qualifying date each year at Thorne Bay Alaska For each year, a bar from the first to the last day at Thorne Bay Alaska meeting 30 C (86 F). 2009: 3 June 2009 to 5 August 20092010: 27 May 2010 to 15 August 20102013: 15 June 2013 to 12 August 20132018: 19 June 2018 to 4 July 20182019: 5 July 2019 to 5 July 20192020: 31 July 2020 to 31 July 20202021: 27 June 2021 to 30 July 20212022: 27 June 2022 to 3 July 20222023: 7 July 2023 to 29 July 20232024: 8 July 2024 to 5 August 202420092013201920212023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Thorne Bay Alaska meeting 30 C (86 F).
First to last qualifying date each year at Thorne Bay Alaska
YearFirst dateLast date
20092009-06-032009-08-05
20102010-05-272010-08-15
20132013-06-152013-08-12
20182018-06-192018-07-04
20192019-07-052019-07-05
20202020-07-312020-07-31
20212021-06-272021-07-30
20222022-06-272022-07-03
20232023-07-072023-07-29
20242024-07-082024-08-05

Every Fixed Threshold

Fixed thresholds at Thorne Bay Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days101320092
35 C (95 F): Days2120101
90 F (32.2 C): Days6720131
0 C (32 F): Ice days (max1129202121
0 C (32 F): Frost days (min11123202164
-10 C (14 F): Days with min91320095

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 Thorne Bay 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).