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

Anchorage Merrill Fld Threshold Days by Year (USW00026409)

12 fixed thresholds counted per year at Anchorage Merrill Fld (USW00026409): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Anchorage Merrill Fld Thresholds

  • Anchorage Merrill Fld: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1918 with 134.
  • Anchorage Merrill Fld: nights with a minimum temperature at or below 0 C (32 F) in 63 years, most in 1920 with 243.
  • Anchorage Merrill Fld: nights with a minimum temperature at or below -10 C (14 F) in 63 years, most in 1950 with 125.
  • Anchorage Merrill Fld: nights with a minimum temperature at or below -20 C (-4 F) in 62 years, most in 1917 with 59.
  • 12 fixed thresholds have at least one qualifying day at Anchorage Merrill Fld.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Anchorage Merrill Fld Days per year at Anchorage Merrill Fld with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2019. 012342013: 12015: 12019: 4201320152019
Days per year at Anchorage Merrill Fld with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2019.
Days at or above 30 C (86 F) per year at Anchorage Merrill Fld
YearDaysDecade average
201312
201512
201942
First to last qualifying date each year at Anchorage Merrill Fld For each year, a bar from the first to the last day at Anchorage Merrill Fld meeting 30 C (86 F). 2013: 18 June 2013 to 18 June 20132015: 15 June 2015 to 15 June 20152019: 4 July 2019 to 8 July 2019201320152019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Anchorage Merrill Fld meeting 30 C (86 F).
First to last qualifying date each year at Anchorage Merrill Fld
YearFirst dateLast date
20132013-06-182013-06-18
20152015-06-152015-06-15
20192019-07-042019-07-08

Every Fixed Threshold

Fixed thresholds at Anchorage Merrill Fld
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3420194
90 F (32.2 C): Days1120191
0 C (32 F): Ice days (max63134191879
0 C (32 F): Frost days (min632431920114
-10 C (14 F): Days with min63125195074
-20 C (-4 F): Days with min6259191723
-30 C (-22 F): Days with min252519172
10 mm (0.39 in): Days with 10 mm or more rain611720227
25 mm (0.98 in): Days with 25 mm or more rain28420244
50 mm (1.97 in): Days with 50 mm or more rain1120241
10 cm (3.9 in): Days with 10 cm or more snowfall24819494
25 cm (9.8 in): Days with 25 cm or more snowfall5119231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2013.

Download the Data

  • Data for Anchorage Merrill Fld 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).