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Built 2026-10-15 (15 October 2026)

Seven Mile Alaska Threshold Days by Year

9 fixed thresholds counted per year at Seven Mile Alaska (USR0000ASEV): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Seven Mile Alaska Thresholds

  • Seven Mile Alaska: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 2004 with 245.
  • Seven Mile Alaska: nights with a minimum temperature at or below -10 C (14 F) in 27 years, most in 2008 with 181.
  • Seven Mile Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 27 years, most in 2012 with 138.
  • Seven Mile Alaska: nights with a minimum temperature at or below -30 C (-22 F) in 27 years, most in 2012 with 67.
  • 9 fixed thresholds have at least one qualifying day at Seven Mile Alaska.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Seven Mile Alaska Days per year at Seven Mile Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1999. 0510151993: 71999: 122000: 32002: 92003: 22004: 92005: 62007: 12008: 22009: 32010: 12011: 22012: 12013: 72015: 42016: 32017: 22018: 32019: 82022: 22023: 22024: 419932002200520092012201620192024
Days per year at Seven Mile Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1999.
Days at or above 30 C (86 F) per year at Seven Mile Alaska
YearDaysDecade average
199379.5
1999129.5
200034.4
200294.4
200324.4
200494.4
200564.4
200714.4
200824.4
200934.4
201013.4
201123.4
201213.4
201373.4
201543.4
201633.4
201723.4
201833.4
201983.4
202222.7
202322.7
202442.7
First to last qualifying date each year at Seven Mile Alaska For each year, a bar from the first to the last day at Seven Mile Alaska meeting 30 C (86 F). 1993: 3 June 1993 to 28 July 19931999: 11 June 1999 to 6 August 19992000: 24 June 2000 to 9 July 20002002: 25 May 2002 to 4 August 20022003: 9 July 2003 to 20 July 20032004: 19 June 2004 to 18 August 20042005: 10 June 2005 to 10 August 20052007: 19 June 2007 to 19 June 20072008: 22 June 2008 to 7 July 20082009: 7 July 2009 to 13 July 20092010: 9 July 2010 to 9 July 20102011: 27 May 2011 to 28 May 20112012: 23 June 2012 to 23 June 20122013: 19 June 2013 to 7 August 20132015: 20 June 2015 to 6 July 20152016: 25 June 2016 to 14 July 20162017: 14 July 2017 to 19 July 20172018: 22 July 2018 to 24 July 20182019: 20 June 2019 to 10 July 20192022: 4 July 2022 to 9 July 20222023: 22 July 2023 to 23 July 20232024: 26 June 2024 to 25 July 202419932002200520092012201620192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Seven Mile Alaska meeting 30 C (86 F).
First to last qualifying date each year at Seven Mile Alaska
YearFirst dateLast date
19931993-06-031993-07-28
19991999-06-111999-08-06
20002000-06-242000-07-09
20022002-05-252002-08-04
20032003-07-092003-07-20
20042004-06-192004-08-18
20052005-06-102005-08-10
20072007-06-192007-06-19
20082008-06-222008-07-07
20092009-07-072009-07-13
20102010-07-092010-07-09
20112011-05-272011-05-28
20122012-06-232012-06-23
20132013-06-192013-08-07
20152015-06-202015-07-06
20162016-06-252016-07-14
20172017-07-142017-07-19
20182018-07-222018-07-24
20192019-06-202019-07-10
20222022-07-042022-07-09
20232023-07-222023-07-23
20242024-06-262024-07-25

Every Fixed Threshold

Fixed thresholds at Seven Mile Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days221219994
35 C (95 F): Days2120021
90 F (32.2 C): Days9219992
0 C (32 F): Ice days (max25191202372
0 C (32 F): Frost days (min272452004115
-10 C (14 F): Days with min27181200866
-20 C (-4 F): Days with min27138201248
-30 C (-22 F): Days with min276720121
-40 C (-40 F): Days with min2123199911

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 Seven Mile 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 (2026-10-14).