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

Lac St Denis Threshold Days by Year (CA007033700)

15 fixed thresholds counted per year at Lac St Denis (CA007033700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lac St Denis Thresholds

  • Lac St Denis: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1972 with 51.
  • Lac St Denis: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1972 with 14.
  • Lac St Denis: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1971 with 18.
  • Lac St Denis: days with a maximum temperature at or below 0 C (32 F) in 15 years, most in 1971 with 119.
  • 15 fixed thresholds have at least one qualifying day at Lac St Denis.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Lac St Denis Days per year at Lac St Denis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1975. 012341969: 11970: 31975: 41976: 31977: 11978: 11979: 11981: 11983: 4196919701975197619771978197919811983
Days per year at Lac St Denis with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1975.
Days at or above 30 C (86 F) per year at Lac St Denis
YearDaysDecade average
196911
197032.2
197542.2
197632.2
197712.2
197812.2
197912.2
198112.5
198342.5
First to last qualifying date each year at Lac St Denis For each year, a bar from the first to the last day at Lac St Denis meeting 30 C (86 F). 1969: 27 June 1969 to 27 June 19691970: 29 July 1970 to 15 August 19701975: 18 July 1975 to 2 August 19751976: 6 June 1976 to 21 August 19761977: 19 July 1977 to 19 July 19771978: 15 August 1978 to 15 August 19781979: 14 July 1979 to 14 July 19791981: 8 July 1981 to 8 July 19811983: 13 June 1983 to 21 June 198319691975197719791983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lac St Denis meeting 30 C (86 F).
First to last qualifying date each year at Lac St Denis
YearFirst dateLast date
19691969-06-271969-06-27
19701970-07-291970-08-15
19751975-07-181975-08-02
19761976-06-061976-08-21
19771977-07-191977-07-19
19781978-08-151978-08-15
19791979-07-141979-07-14
19811981-07-081981-07-08
19831983-06-131983-06-21

Every Fixed Threshold

Fixed thresholds at Lac St Denis
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9419754
90 F (32.2 C): Days2219751
0 C (32 F): Ice days (max15119197197
0 C (32 F): Frost days (min152171972202
-10 C (14 F): Days with min15118197287
-20 C (-4 F): Days with min1556198031
-30 C (-22 F): Days with min151319794
-40 C (-40 F): Days with min2119711
20 C (68 F): Tropical nights (min12319701
10 mm (0.39 in): Days with 10 mm or more rain1851197248
25 mm (0.98 in): Days with 25 mm or more rain1814197212
50 mm (1.97 in): Days with 50 mm or more rain8219721
10 cm (3.9 in): Days with 10 cm or more snowfall1818197113
25 cm (9.8 in): Days with 25 cm or more snowfall12319751
50 cm (19.7 in): Days with 50 cm or more snowfall2119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Lac St Denis 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).