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

Sylvan Lake Threshold Days by Year (CA003026330)

5 fixed thresholds counted per year at Sylvan Lake (CA003026330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sylvan Lake Thresholds

  • Sylvan Lake: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1982 with 22.
  • Sylvan Lake: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1963 with 8.
  • Sylvan Lake: days with 25 mm (0.98 in) or more of precipitation in 19 years, most in 1970 with 6.
  • Sylvan Lake: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1966 with 1.
  • 5 fixed thresholds have at least one qualifying day at Sylvan Lake.
21 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sylvan Lake Days per year at Sylvan Lake with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1982. 01020301963: 191964: 131965: 171966: 131967: 61968: 141969: 121970: 131971: 151972: 151973: 141974: 141975: 81976: 141977: 171978: 151979: 71980: 181981: 141982: 221983: 161963196619691972197519781981
Days per year at Sylvan Lake with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 22 in 1982.
Days with 10 mm (0.39 in) or more of precipitation per year at Sylvan Lake
YearDaysDecade average
19631913.4
19641313.4
19651713.4
19661313.4
1967613.4
19681413.4
19691213.4
19701313.2
19711513.2
19721513.2
19731413.2
19741413.2
1975813.2
19761413.2
19771713.2
19781513.2
1979713.2
19801817.5
19811417.5
19822217.5
19831617.5
First to last qualifying date each year at Sylvan Lake For each year, a bar from the first to the last day at Sylvan Lake meeting 10 mm (0.39 in). 1963: 12 January 1963 to 26 November 19631964: 4 April 1964 to 22 December 19641965: 21 January 1965 to 24 August 19651966: 16 February 1966 to 1 October 19661967: 8 July 1967 to 26 December 19671968: 9 January 1968 to 6 October 19681969: 3 May 1969 to 14 November 19691970: 25 March 1970 to 29 November 19701971: 7 January 1971 to 19 September 19711972: 27 February 1972 to 30 November 19721973: 10 March 1973 to 11 December 19731974: 16 March 1974 to 3 October 19741975: 4 May 1975 to 29 December 19751976: 4 January 1976 to 17 December 19761977: 26 January 1977 to 25 September 19771978: 24 January 1978 to 23 October 19781979: 16 April 1979 to 9 December 19791980: 23 May 1980 to 12 October 19801981: 5 May 1981 to 23 October 19811982: 8 January 1982 to 18 November 19821983: 26 February 1983 to 25 December 19831963196619691972197519781981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sylvan Lake meeting 10 mm (0.39 in).
First to last qualifying date each year at Sylvan Lake
YearFirst dateLast date
19631963-01-121963-11-26
19641964-04-041964-12-22
19651965-01-211965-08-24
19661966-02-161966-10-01
19671967-07-081967-12-26
19681968-01-091968-10-06
19691969-05-031969-11-14
19701970-03-251970-11-29
19711971-01-071971-09-19
19721972-02-271972-11-30
19731973-03-101973-12-11
19741974-03-161974-10-03
19751975-05-041975-12-29
19761976-01-041976-12-17
19771977-01-261977-09-25
19781978-01-241978-10-23
19791979-04-161979-12-09
19801980-05-231980-10-12
19811981-05-051981-10-23
19821982-01-081982-11-18
19831983-02-261983-12-25

Every Fixed Threshold

Fixed thresholds at Sylvan Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2122198216
25 mm (0.98 in): Days with 25 mm or more rain19619701
50 mm (1.97 in): Days with 50 mm or more rain5119661
10 cm (3.9 in): Days with 10 cm or more snowfall20819634
25 cm (9.8 in): Days with 25 cm or more snowfall5119651

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for Sylvan 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).