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Built 2026-10-19 (19 October 2026)

Innoko Flats Alaska Threshold Days by Year (USR0000AINN)

12 fixed thresholds counted per year at Innoko Flats Alaska (USR0000AINN): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Innoko Flats Alaska Thresholds

  • Innoko Flats Alaska: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 1999 with 170.
  • Innoko Flats Alaska: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 2013 with 225.
  • Innoko Flats Alaska: nights with a minimum temperature at or below -10 C (14 F) in 11 years, most in 2013 with 138.
  • Innoko Flats Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 11 years, most in 2021 with 73.
  • 12 fixed thresholds have at least one qualifying day at Innoko Flats Alaska.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Innoko Flats Alaska Days per year at Innoko Flats Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1999. 0102030401997: 11999: 362000: 212013: 42014: 12016: 22021: 11997199920002013201420162021
Days per year at Innoko Flats Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1999.
Days at or above 30 C (86 F) per year at Innoko Flats Alaska
YearDaysDecade average
1997118.5
19993618.5
20002121
201342.3
201412.3
201622.3
202111
First to last qualifying date each year at Innoko Flats Alaska For each year, a bar from the first to the last day at Innoko Flats Alaska meeting 30 C (86 F). 1997: 4 July 1997 to 4 July 19971999: 27 July 1999 to 4 September 19992000: 14 April 2000 to 24 June 20002013: 16 June 2013 to 27 July 20132014: 5 July 2014 to 5 July 20142016: 13 July 2016 to 14 July 20162021: 3 August 2021 to 3 August 20211997199920002013201420162021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Innoko Flats Alaska meeting 30 C (86 F).
First to last qualifying date each year at Innoko Flats Alaska
YearFirst dateLast date
19971997-07-041997-07-04
19991999-07-271999-09-04
20002000-04-142000-06-24
20132013-06-162013-07-27
20142014-07-052014-07-05
20162016-07-132016-07-14
20212021-08-032021-08-03

Every Fixed Threshold

Fixed thresholds at Innoko Flats Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days73619991
35 C (95 F): Days218199911
40 C (104 F): Days2219996
45 C (113 F): Days2219993
90 F (32.2 C): Days32919992
100 F (37.8 C): Days2919998
110 F (43.3 C): Days2219994
0 C (32 F): Ice days (max131701999148
0 C (32 F): Frost days (min12225201316
-10 C (14 F): Days with min111382013125
-20 C (-4 F): Days with min1173202173
-30 C (-22 F): Days with min101619965

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Innoko Flats 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 (2026-10-17).