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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Stoney River Alaska Threshold Days by Year

9 fixed thresholds counted per year at Stoney River Alaska (USR0000ASTR): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stoney River Alaska Thresholds

  • Stoney River Alaska: days with a maximum temperature at or below 0 C (32 F) in 20 years, most in 2010 with 170.
  • Stoney River Alaska: nights with a minimum temperature at or below 0 C (32 F) in 20 years, most in 1992 with 243.
  • Stoney River Alaska: nights with a minimum temperature at or below -10 C (14 F) in 20 years, most in 2010 with 153.
  • Stoney River Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 20 years, most in 2008 with 82.
  • 9 fixed thresholds have at least one qualifying day at Stoney River Alaska.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Stoney River Alaska Days per year at Stoney River Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 2013. 0358101993: 21994: 11997: 42001: 22005: 42006: 22008: 12009: 52013: 92014: 12015: 62016: 22017: 31993199720052008201320152017
Days per year at Stoney River Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 2013.
Days at or above 30 C (86 F) per year at Stoney River Alaska
YearDaysDecade average
199322.3
199412.3
199742.3
200122.8
200542.8
200622.8
200812.8
200952.8
201394.2
201414.2
201564.2
201624.2
201734.2
First to last qualifying date each year at Stoney River Alaska For each year, a bar from the first to the last day at Stoney River Alaska meeting 30 C (86 F). 1993: 12 July 1993 to 20 July 19931994: 13 June 1994 to 13 June 19941997: 23 June 1997 to 29 July 19972001: 17 June 2001 to 21 June 20012005: 16 June 2005 to 12 August 20052006: 4 July 2006 to 5 July 20062008: 5 July 2008 to 5 July 20082009: 5 July 2009 to 12 July 20092013: 29 May 2013 to 28 July 20132014: 5 July 2014 to 5 July 20142015: 15 June 2015 to 4 August 20152016: 16 June 2016 to 13 July 20162017: 13 July 2017 to 23 July 20171993199720052008201320152017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stoney River Alaska meeting 30 C (86 F).
First to last qualifying date each year at Stoney River Alaska
YearFirst dateLast date
19931993-07-121993-07-20
19941994-06-131994-06-13
19971997-06-231997-07-29
20012001-06-172001-06-21
20052005-06-162005-08-12
20062006-07-042006-07-05
20082008-07-052008-07-05
20092009-07-052009-07-12
20132013-05-292013-07-28
20142014-07-052014-07-05
20152015-06-152015-08-04
20162016-06-162016-07-13
20172017-07-132017-07-23

Every Fixed Threshold

Fixed thresholds at Stoney River Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13920133
35 C (95 F): Days1120131
90 F (32.2 C): Days4320091
0 C (32 F): Ice days (max201702010130
0 C (32 F): Frost days (min202431992211
-10 C (14 F): Days with min201532010115
-20 C (-4 F): Days with min2082200849
-30 C (-22 F): Days with min2032199615
-40 C (-40 F): Days with min14719942

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Stoney River 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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