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

Key Lake Threshold Days by Year (CA004063755)

12 fixed thresholds counted per year at Key Lake (CA004063755): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Key Lake Thresholds

  • Key Lake: days with 10 mm (0.39 in) or more of precipitation in 6 years, most in 1982 with 14.
  • Key Lake: days with a maximum temperature at or below 0 C (32 F) in 5 years, most in 1982 with 163.
  • Key Lake: nights with a minimum temperature at or below 0 C (32 F) in 5 years, most in 1983 with 227.
  • Key Lake: nights with a minimum temperature at or below -10 C (14 F) in 5 years, most in 1982 with 151.
  • 12 fixed thresholds have at least one qualifying day at Key Lake.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Key Lake Days per year at Key Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1983. 012341979: 31980: 21981: 31983: 41979198019811983
Days per year at Key Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1983.
Days at or above 30 C (86 F) per year at Key Lake
YearDaysDecade average
197933
198023
198133
198343
First to last qualifying date each year at Key Lake For each year, a bar from the first to the last day at Key Lake meeting 30 C (86 F). 1979: 6 July 1979 to 18 August 19791980: 9 June 1980 to 10 June 19801981: 18 July 1981 to 10 August 19811983: 1 August 1983 to 11 August 19831979198019811983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Key Lake meeting 30 C (86 F).
First to last qualifying date each year at Key Lake
YearFirst dateLast date
19791979-07-061979-08-18
19801980-06-091980-06-10
19811981-07-181981-08-10
19831983-08-011983-08-11

Every Fixed Threshold

Fixed thresholds at Key Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4419834
90 F (32.2 C): Days2119791
0 C (32 F): Ice days (max51631982153
0 C (32 F): Frost days (min52271983227
-10 C (14 F): Days with min51511982137
-20 C (-4 F): Days with min5107198285
-30 C (-22 F): Days with min562198238
-40 C (-40 F): Days with min41419826
10 mm (0.39 in): Days with 10 mm or more rain614198213
25 mm (0.98 in): Days with 25 mm or more rain5319821
10 cm (3.9 in): Days with 10 cm or more snowfall4319821
25 cm (9.8 in): Days with 25 cm or more snowfall1119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Key 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 (2026-10-17).