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Built 2026-10-18 (18 October 2026)

Ft Yukon Threshold Days by Year

14 fixed thresholds counted per year at Ft Yukon (USW00026413): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ft Yukon Thresholds

  • Ft Yukon: days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1961 with 201.
  • Ft Yukon: nights with a minimum temperature at or below 0 C (32 F) in 44 years, most in 1952 with 263.
  • Ft Yukon: nights with a minimum temperature at or below -10 C (14 F) in 44 years, most in 1958 with 200.
  • Ft Yukon: nights with a minimum temperature at or below -20 C (-4 F) in 44 years, most in 1927 with 150.
  • 14 fixed thresholds have at least one qualifying day at Ft Yukon.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Ft Yukon Days per year at Ft Yukon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1937. 024681918: 41919: 51924: 21925: 11928: 11929: 11933: 11937: 71939: 21940: 31944: 11946: 41947: 21953: 51954: 51955: 61957: 11958: 41960: 31961: 11985: 11986: 71987: 21988: 11989: 62025: 4191819251933194019471955196019861989
Days per year at Ft Yukon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1937.
Days at or above 30 C (86 F) per year at Ft Yukon
YearDaysDecade average
191844.5
191954.5
192421.3
192511.3
192811.3
192911.3
193313.3
193773.3
193923.3
194032.5
194412.5
194642.5
194722.5
195354.2
195454.2
195564.2
195714.2
195844.2
196032
196112
198513.4
198673.4
198723.4
198813.4
198963.4
202544
First to last qualifying date each year at Ft Yukon For each year, a bar from the first to the last day at Ft Yukon meeting 30 C (86 F). 1918: 13 July 1918 to 16 July 19181919: 27 July 1919 to 31 July 19191924: 17 July 1924 to 18 July 19241925: 23 July 1925 to 23 July 19251928: 29 July 1928 to 29 July 19281929: 4 August 1929 to 4 August 19291933: 27 July 1933 to 27 July 19331937: 10 June 1937 to 21 June 19371939: 21 July 1939 to 22 July 19391940: 12 July 1940 to 16 July 19401944: 14 June 1944 to 14 June 19441946: 10 July 1946 to 13 July 19461947: 17 July 1947 to 23 July 19471953: 24 July 1953 to 31 July 19531954: 15 July 1954 to 8 August 19541955: 22 July 1955 to 27 July 19551957: 10 August 1957 to 10 August 19571958: 20 June 1958 to 13 August 19581960: 13 July 1960 to 19 July 19601961: 27 July 1961 to 27 July 19611985: 4 June 1985 to 4 June 19851986: 28 June 1986 to 7 July 19861987: 21 June 1987 to 29 June 19871988: 14 July 1988 to 14 July 19881989: 8 July 1989 to 31 July 19892025: 16 June 2025 to 6 July 20251918192819391947195719851989JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ft Yukon meeting 30 C (86 F).
First to last qualifying date each year at Ft Yukon
YearFirst dateLast date
19181918-07-131918-07-16
19191919-07-271919-07-31
19241924-07-171924-07-18
19251925-07-231925-07-23
19281928-07-291928-07-29
19291929-08-041929-08-04
19331933-07-271933-07-27
19371937-06-101937-06-21
19391939-07-211939-07-22
19401940-07-121940-07-16
19441944-06-141944-06-14
19461946-07-101946-07-13
19471947-07-171947-07-23
19531953-07-241953-07-31
19541954-07-151954-08-08
19551955-07-221955-07-27
19571957-08-101957-08-10
19581958-06-201958-08-13
19601960-07-131960-07-19
19611961-07-271961-07-27
19851985-06-041985-06-04
19861986-06-281986-07-07
19871987-06-211987-06-29
19881988-07-141988-07-14
19891989-07-081989-07-31
20252025-06-162025-07-06

Every Fixed Threshold

Fixed thresholds at Ft Yukon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days26719374
35 C (95 F): Days1319553
90 F (32.2 C): Days7419552
0 C (32 F): Ice days (max442011961103
0 C (32 F): Frost days (min442631952150
-10 C (14 F): Days with min442001958111
-20 C (-4 F): Days with min44150192783
-30 C (-22 F): Days with min4498195645
-40 C (-40 F): Days with min4454193313
20 C (68 F): Tropical nights (min2219181
10 mm (0.39 in): Days with 10 mm or more rain30619254
25 mm (0.98 in): Days with 25 mm or more rain5219871
10 cm (3.9 in): Days with 10 cm or more snowfall20419391
25 cm (9.8 in): Days with 25 cm or more snowfall1119391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

  • Data for Ft Yukon 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).