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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Stoney Alaska Threshold Days by Year

9 fixed thresholds counted per year at Stoney Alaska (USR0000ASTO): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stoney Alaska Thresholds

  • Stoney Alaska: days with a maximum temperature at or below 0 C (32 F) in 21 years, most in 2008 with 139.
  • Stoney Alaska: nights with a minimum temperature at or below 0 C (32 F) in 21 years, most in 2008 with 267.
  • Stoney Alaska: nights with a minimum temperature at or below -10 C (14 F) in 21 years, most in 2010 with 159.
  • Stoney Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 21 years, most in 2008 with 105.
  • 9 fixed thresholds have at least one qualifying day at Stoney Alaska.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Stoney Alaska Days per year at Stoney Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2019. 0358102002: 32003: 32005: 42009: 62016: 12019: 102024: 32002200320052009201620192024
Days per year at Stoney Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 2019.
Days at or above 30 C (86 F) per year at Stoney Alaska
YearDaysDecade average
200234
200334
200544
200964
201615.5
2019105.5
202433
First to last qualifying date each year at Stoney Alaska For each year, a bar from the first to the last day at Stoney Alaska meeting 30 C (86 F). 2002: 16 June 2002 to 4 August 20022003: 8 July 2003 to 10 August 20032005: 9 August 2005 to 13 August 20052009: 5 July 2009 to 13 July 20092016: 16 June 2016 to 16 June 20162019: 27 June 2019 to 10 July 20192024: 22 July 2024 to 24 July 20242002200320052009201620192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stoney Alaska meeting 30 C (86 F).
First to last qualifying date each year at Stoney Alaska
YearFirst dateLast date
20022002-06-162002-08-04
20032003-07-082003-08-10
20052005-08-092005-08-13
20092009-07-052009-07-13
20162016-06-162016-06-16
20192019-06-272019-07-10
20242024-07-222024-07-24

Every Fixed Threshold

Fixed thresholds at Stoney Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days71020193
35 C (95 F): Days1320193
90 F (32.2 C): Days3720197
0 C (32 F): Ice days (max21139200890
0 C (32 F): Frost days (min212672008242
-10 C (14 F): Days with min211592010129
-20 C (-4 F): Days with min21105200855
-30 C (-22 F): Days with min2146200725
-40 C (-40 F): Days with min181820093

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2002.

Download the Data

  • Data for Stoney 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).