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

Dillingham FAA AP Threshold Days by Year (USC00502457)

14 fixed thresholds counted per year at Dillingham FAA AP (USC00502457): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dillingham FAA AP Thresholds

  • Dillingham FAA AP: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1959 with 239.
  • Dillingham FAA AP: nights with a minimum temperature at or below -10 C (14 F) in 56 years, most in 1939 with 129.
  • Dillingham FAA AP: nights with a minimum temperature at or below -20 C (-4 F) in 55 years, most in 1964 with 52.
  • Dillingham FAA AP: days with a maximum temperature at or below 0 C (32 F) in 54 years, most in 1999 with 146.
  • 14 fixed thresholds have at least one qualifying day at Dillingham FAA AP.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Dillingham FAA AP Days per year at Dillingham FAA AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1926. 01231926: 31953: 31959: 21960: 21926195319591960
Days per year at Dillingham FAA AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1926.
Days at or above 30 C (86 F) per year at Dillingham FAA AP
YearDaysDecade average
192633
195332.5
195922.5
196022
First to last qualifying date each year at Dillingham FAA AP For each year, a bar from the first to the last day at Dillingham FAA AP meeting 30 C (86 F). 1926: 18 June 1926 to 20 June 19261953: 26 June 1953 to 2 July 19531959: 18 June 1959 to 19 June 19591960: 12 July 1960 to 13 July 19601926195319591960JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dillingham FAA AP meeting 30 C (86 F).
First to last qualifying date each year at Dillingham FAA AP
YearFirst dateLast date
19261926-06-181926-06-20
19531953-06-261953-07-02
19591959-06-181959-06-19
19601960-07-121960-07-13

Every Fixed Threshold

Fixed thresholds at Dillingham FAA AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4319262
90 F (32.2 C): Days1119531
0 C (32 F): Ice days (max54146199971
0 C (32 F): Frost days (min562391959138
-10 C (14 F): Days with min56129193972
-20 C (-4 F): Days with min5552196434
-30 C (-22 F): Days with min411119894
-40 C (-40 F): Days with min1219892
10 mm (0.39 in): Days with 10 mm or more rain4833192820
25 mm (0.98 in): Days with 25 mm or more rain341219863
50 mm (1.97 in): Days with 50 mm or more rain5619861
100 mm (3.94 in): Days with 100 mm or more rain1319863
10 cm (3.9 in): Days with 10 cm or more snowfall281919909
25 cm (9.8 in): Days with 25 cm or more snowfall8319842

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

  • Data for Dillingham FAA AP 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).