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

Tanacross Threshold Days by Year (USW00026440)

13 fixed thresholds counted per year at Tanacross (USW00026440): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tanacross Thresholds

  • Tanacross: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 2000 with 11.
  • Tanacross: days with a maximum temperature at or below 0 C (32 F) in 16 years, most in 1956 with 177.
  • Tanacross: nights with a minimum temperature at or below 0 C (32 F) in 16 years, most in 2000 with 259.
  • Tanacross: nights with a minimum temperature at or below -10 C (14 F) in 16 years, most in 2000 with 182.
  • 13 fixed thresholds have at least one qualifying day at Tanacross.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Tanacross Days per year at Tanacross with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1962. 024681947: 21948: 21950: 21951: 41953: 11957: 11958: 41962: 819471948195019511953195719581962
Days per year at Tanacross with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1962.
Days at or above 30 C (86 F) per year at Tanacross
YearDaysDecade average
194722
194822
195022.4
195142.4
195312.4
195712.4
195842.4
196288
First to last qualifying date each year at Tanacross For each year, a bar from the first to the last day at Tanacross meeting 30 C (86 F). 1947: 28 May 1947 to 29 May 19471948: 17 June 1948 to 18 June 19481950: 17 June 1950 to 18 June 19501951: 8 July 1951 to 17 July 19511953: 25 July 1953 to 25 July 19531957: 7 July 1957 to 7 July 19571958: 7 June 1958 to 5 July 19581962: 19 July 1962 to 23 August 196219471948195019511953195719581962JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tanacross meeting 30 C (86 F).
First to last qualifying date each year at Tanacross
YearFirst dateLast date
19471947-05-281947-05-29
19481948-06-171948-06-18
19501950-06-171950-06-18
19511951-07-081951-07-17
19531953-07-251953-07-25
19571957-07-071957-07-07
19581958-06-071958-07-05
19621962-07-191962-08-23

Every Fixed Threshold

Fixed thresholds at Tanacross
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8819628
90 F (32.2 C): Days2119501
0 C (32 F): Ice days (max161771956162
0 C (32 F): Frost days (min162592000259
-10 C (14 F): Days with min161822000182
-20 C (-4 F): Days with min16133195096
-30 C (-22 F): Days with min1682195629
-40 C (-40 F): Days with min1640195110
10 mm (0.39 in): Days with 10 mm or more rain1711200011
25 mm (0.98 in): Days with 25 mm or more rain8319502
50 mm (1.97 in): Days with 50 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall5319571
25 cm (9.8 in): Days with 25 cm or more snowfall2119571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Tanacross 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).