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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Haycock Alaska Threshold Days by Year (USR0000AHAY)

8 fixed thresholds counted per year at Haycock Alaska (USR0000AHAY): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haycock Alaska Thresholds

  • Haycock Alaska: days with a maximum temperature at or below 0 C (32 F) in 25 years, most in 1992 with 198.
  • Haycock Alaska: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1992 with 269.
  • Haycock Alaska: nights with a minimum temperature at or below -10 C (14 F) in 25 years, most in 1999 with 189.
  • Haycock Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 25 years, most in 1999 with 97.
  • 8 fixed thresholds have at least one qualifying day at Haycock Alaska.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Haycock Alaska Days per year at Haycock Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2013. 01232008: 12009: 22013: 32015: 12017: 12019: 32021: 12008200920132015201720192021
Days per year at Haycock Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2013.
Days at or above 30 C (86 F) per year at Haycock Alaska
YearDaysDecade average
200811.5
200921.5
201332
201512
201712
201932
202111
First to last qualifying date each year at Haycock Alaska For each year, a bar from the first to the last day at Haycock Alaska meeting 30 C (86 F). 2008: 7 July 2008 to 7 July 20082009: 3 July 2009 to 7 July 20092013: 17 June 2013 to 19 June 20132015: 20 June 2015 to 20 June 20152017: 14 July 2017 to 14 July 20172019: 8 July 2019 to 10 July 20192021: 3 August 2021 to 3 August 20212008200920132015201720192021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haycock Alaska meeting 30 C (86 F).
First to last qualifying date each year at Haycock Alaska
YearFirst dateLast date
20082008-07-072008-07-07
20092009-07-032009-07-07
20132013-06-172013-06-19
20152015-06-202015-06-20
20172017-07-142017-07-14
20192019-07-082019-07-10
20212021-08-032021-08-03

Every Fixed Threshold

Fixed thresholds at Haycock Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7320131
90 F (32.2 C): Days2320131
0 C (32 F): Ice days (max25198199294
0 C (32 F): Frost days (min252691992135
-10 C (14 F): Days with min25189199988
-20 C (-4 F): Days with min2597199951
-30 C (-22 F): Days with min254519992
-40 C (-40 F): Days with min111419992

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2008.

Download the Data

  • Data for Haycock 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).