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

Chisana Alaska Threshold Days by Year (USR0000ACHI)

7 fixed thresholds counted per year at Chisana Alaska (USR0000ACHI): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chisana Alaska Thresholds

  • Chisana Alaska: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1997 with 163.
  • Chisana Alaska: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1998 with 312.
  • Chisana Alaska: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 2011 with 201.
  • Chisana Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 22 years, most in 2012 with 141.
  • 7 fixed thresholds have at least one qualifying day at Chisana Alaska.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Chisana Alaska Days per year at Chisana Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2019. 01231998: 11999: 22013: 12017: 12019: 319981999201320172019
Days per year at Chisana Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2019.
Days at or above 30 C (86 F) per year at Chisana Alaska
YearDaysDecade average
199811.5
199921.5
201311.7
201711.7
201931.7
First to last qualifying date each year at Chisana Alaska For each year, a bar from the first to the last day at Chisana Alaska meeting 30 C (86 F). 1998: 3 July 1998 to 3 July 19981999: 31 July 1999 to 1 August 19992013: 12 August 2013 to 12 August 20132017: 9 June 2017 to 9 June 20172019: 29 June 2019 to 5 July 201919981999201320172019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chisana Alaska meeting 30 C (86 F).
First to last qualifying date each year at Chisana Alaska
YearFirst dateLast date
19981998-07-031998-07-03
19991999-07-311999-08-01
20132013-08-122013-08-12
20172017-06-092017-06-09
20192019-06-292019-07-05

Every Fixed Threshold

Fixed thresholds at Chisana Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5320193
0 C (32 F): Ice days (max221631997152
0 C (32 F): Frost days (min223121998288
-10 C (14 F): Days with min222012011190
-20 C (-4 F): Days with min221412012123
-30 C (-22 F): Days with min2266201232
-40 C (-40 F): Days with min192320125

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Chisana 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).