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

Sullivan Lake Threshold Days by Year (CA003016253)

5 fixed thresholds counted per year at Sullivan Lake (CA003016253): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sullivan Lake Thresholds

  • Sullivan Lake: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1974 with 17.
  • Sullivan Lake: days with 10 cm (3.9 in) or more of snowfall in 11 years, most in 1974 with 6.
  • Sullivan Lake: days with 25 mm (0.98 in) or more of precipitation in 9 years, most in 1973 with 5.
  • Sullivan Lake: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1973 with 2.
  • 5 fixed thresholds have at least one qualifying day at Sullivan Lake.
12 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sullivan Lake Days per year at Sullivan Lake with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1974. 051015201972: 101973: 141974: 171975: 131976: 61977: 101978: 141979: 91980: 111981: 111982: 141983: 8197219741976197819801982
Days per year at Sullivan Lake with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Sullivan Lake
YearDaysDecade average
19721011.6
19731411.6
19741711.6
19751311.6
1976611.6
19771011.6
19781411.6
1979911.6
19801111
19811111
19821411
1983811
First to last qualifying date each year at Sullivan Lake For each year, a bar from the first to the last day at Sullivan Lake meeting 10 mm (0.39 in). 1972: 27 February 1972 to 9 September 19721973: 11 March 1973 to 12 December 19731974: 26 February 1974 to 21 December 19741975: 7 April 1975 to 30 December 19751976: 26 February 1976 to 12 September 19761977: 4 May 1977 to 25 November 19771978: 14 April 1978 to 23 October 19781979: 6 February 1979 to 14 December 19791980: 13 January 1980 to 3 December 19801981: 5 May 1981 to 22 September 19811982: 1 March 1982 to 18 November 19821983: 18 June 1983 to 27 November 1983197219741976197819801982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sullivan Lake meeting 10 mm (0.39 in).
First to last qualifying date each year at Sullivan Lake
YearFirst dateLast date
19721972-02-271972-09-09
19731973-03-111973-12-12
19741974-02-261974-12-21
19751975-04-071975-12-30
19761976-02-261976-09-12
19771977-05-041977-11-25
19781978-04-141978-10-23
19791979-02-061979-12-14
19801980-01-131980-12-03
19811981-05-051981-09-22
19821982-03-011982-11-18
19831983-06-181983-11-27

Every Fixed Threshold

Fixed thresholds at Sullivan Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain121719748
25 mm (0.98 in): Days with 25 mm or more rain9519732
50 mm (1.97 in): Days with 50 mm or more rain3219732
10 cm (3.9 in): Days with 10 cm or more snowfall11619741
25 cm (9.8 in): Days with 25 cm or more snowfall1119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Sullivan 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).