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

Girdwood Threshold Days by Year (USC00503283)

11 fixed thresholds counted per year at Girdwood (USC00503283): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Girdwood Thresholds

  • Girdwood: days with a maximum temperature at or below 0 C (32 F) in 4 years, most in 1961 with 99.
  • Girdwood: nights with a minimum temperature at or below 0 C (32 F) in 4 years, most in 1958 with 211.
  • Girdwood: nights with a minimum temperature at or below -10 C (14 F) in 4 years, most in 1961 with 84.
  • Girdwood: nights with a minimum temperature at or below -20 C (-4 F) in 4 years, most in 1961 with 22.
  • 11 fixed thresholds have at least one qualifying day at Girdwood.
4 years with a qualifying day
Nights at or below 0 C (32 F) per year at Girdwood Days per year at Girdwood with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 211 in 1958. 01002003001958: 2111959: 2081960: 1801961: 2051958195919601961
Days per year at Girdwood with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 211 in 1958.
Nights at or below 0 C (32 F) per year at Girdwood
YearDaysDecade average
1958211209.5
1959208209.5
1960180192.5
1961205192.5
First to last qualifying date each year at Girdwood For each year, a bar from the first to the last day at Girdwood meeting 0 C (32 F). 1958: 1 January 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 31 December 19611958195919601961JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Girdwood meeting 0 C (32 F).
First to last qualifying date each year at Girdwood
YearFirst dateLast date
19581958-01-011958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-31
19611961-01-011961-12-31

Every Fixed Threshold

Fixed thresholds at Girdwood
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max499196199
0 C (32 F): Frost days (min42111958205
-10 C (14 F): Days with min484196184
-20 C (-4 F): Days with min422196122
-30 C (-22 F): Days with min1219612
10 mm (0.39 in): Days with 10 mm or more rain437195937
25 mm (0.98 in): Days with 25 mm or more rain41019594
50 mm (1.97 in): Days with 50 mm or more rain3219591
10 cm (3.9 in): Days with 10 cm or more snowfall415195912
25 cm (9.8 in): Days with 25 cm or more snowfall2619596
50 cm (19.7 in): Days with 50 cm or more snowfall1219592

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Girdwood 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).