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

Jacob Lake Threshold Days by Year (USC00024418)

11 fixed thresholds counted per year at Jacob Lake (USC00024418): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jacob Lake Thresholds

  • Jacob Lake: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1982 with 32.
  • Jacob Lake: days with 25 mm (0.98 in) or more of precipitation in 12 years, most in 1972 with 7.
  • Jacob Lake: nights with a minimum temperature at or below 0 C (32 F) in 10 years, most in 1970 with 206.
  • Jacob Lake: nights with a minimum temperature at or below -10 C (14 F) in 10 years, most in 1972 with 48.
  • 11 fixed thresholds have at least one qualifying day at Jacob Lake.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Jacob Lake Days per year at Jacob Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1972. 051015201956: 41969: 71970: 111972: 161982: 21983: 11984: 21985: 91986: 4195619691970197219821983198419851986
Days per year at Jacob Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1972.
Days at or above 30 C (86 F) per year at Jacob Lake
YearDaysDecade average
195644
196977
19701113.5
19721613.5
198223.6
198313.6
198423.6
198593.6
198643.6
First to last qualifying date each year at Jacob Lake For each year, a bar from the first to the last day at Jacob Lake meeting 30 C (86 F). 1956: 25 June 1956 to 9 July 19561969: 2 July 1969 to 9 August 19691970: 12 July 1970 to 14 August 19701972: 29 June 1972 to 7 August 19721982: 13 July 1982 to 22 July 19821983: 6 July 1983 to 6 July 19831984: 7 July 1984 to 8 July 19841985: 17 June 1985 to 25 August 19851986: 27 June 1986 to 2 August 198619561970198219841986JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Jacob Lake meeting 30 C (86 F).
First to last qualifying date each year at Jacob Lake
YearFirst dateLast date
19561956-06-251956-07-09
19691969-07-021969-08-09
19701970-07-121970-08-14
19721972-06-291972-08-07
19821982-07-131982-07-22
19831983-07-061983-07-06
19841984-07-071984-07-08
19851985-06-171985-08-25
19861986-06-271986-08-02

Every Fixed Threshold

Fixed thresholds at Jacob Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days91619724
90 F (32.2 C): Days2219721
0 C (32 F): Ice days (max93019827
0 C (32 F): Frost days (min102061970150
-10 C (14 F): Days with min1048197210
-20 C (-4 F): Days with min5619856
10 mm (0.39 in): Days with 10 mm or more rain123219829
25 mm (0.98 in): Days with 25 mm or more rain12719723
50 mm (1.97 in): Days with 50 mm or more rain4119721
10 cm (3.9 in): Days with 10 cm or more snowfall91819827
25 cm (9.8 in): Days with 25 cm or more snowfall8619826

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Jacob Lake 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).