Built 2026-10-19 (19 October 2026)

St Mathieu Laprairie Threshold Days by Year (CA007027560)

16 fixed thresholds counted per year at St Mathieu Laprairie (CA007027560): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Mathieu Laprairie Thresholds

  • St Mathieu Laprairie: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1954 with 47.
  • St Mathieu Laprairie: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1957 with 9.
  • St Mathieu Laprairie: days with 10 cm (3.9 in) or more of snowfall in 30 years, most in 1951 with 13.
  • St Mathieu Laprairie: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1955 with 34.
  • 16 fixed thresholds have at least one qualifying day at St Mathieu Laprairie.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at St Mathieu Laprairie Days per year at St Mathieu Laprairie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1955. 0102030401954: 31955: 341956: 71957: 101958: 51959: 251960: 181961: 131962: 71965: 121966: 181967: 91968: 71970: 211971: 141972: 51973: 171974: 51975: 241976: 71978: 141979: 151980: 41981: 419541957196019651968197219751979
Days per year at St Mathieu Laprairie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1955.
Days at or above 30 C (86 F) per year at St Mathieu Laprairie
YearDaysDecade average
1954314
19553414
1956714
19571014
1958514
19592514
19601812
19611312
1962712
19651212
19661812
1967912
1968712
19702113.6
19711413.6
1972513.6
19731713.6
1974513.6
19752413.6
1976713.6
19781413.6
19791513.6
198044
198144
First to last qualifying date each year at St Mathieu Laprairie For each year, a bar from the first to the last day at St Mathieu Laprairie meeting 30 C (86 F). 1954: 22 June 1954 to 25 August 19541955: 22 May 1955 to 19 September 19551956: 12 June 1956 to 9 August 19561957: 15 June 1957 to 3 August 19571958: 1 July 1958 to 31 August 19581959: 9 June 1959 to 29 September 19591960: 28 June 1960 to 9 September 19601961: 12 June 1961 to 11 September 19611962: 18 May 1962 to 31 August 19621965: 20 June 1965 to 23 September 19651966: 27 May 1966 to 18 August 19661967: 3 June 1967 to 17 August 19671968: 9 July 1968 to 22 July 19681970: 2 June 1970 to 20 August 19701971: 19 May 1971 to 19 August 19711972: 23 May 1972 to 21 July 19721973: 7 July 1973 to 5 September 19731974: 10 June 1974 to 22 August 19741975: 20 May 1975 to 26 August 19751976: 18 April 1976 to 21 August 19761978: 25 May 1978 to 16 August 19781979: 9 May 1979 to 4 August 19791980: 24 June 1980 to 24 August 19801981: 16 June 1981 to 9 July 198119541957196019651968197219751979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St Mathieu Laprairie meeting 30 C (86 F).
First to last qualifying date each year at St Mathieu Laprairie
YearFirst dateLast date
19541954-06-221954-08-25
19551955-05-221955-09-19
19561956-06-121956-08-09
19571957-06-151957-08-03
19581958-07-011958-08-31
19591959-06-091959-09-29
19601960-06-281960-09-09
19611961-06-121961-09-11
19621962-05-181962-08-31
19651965-06-201965-09-23
19661966-05-271966-08-18
19671967-06-031967-08-17
19681968-07-091968-07-22
19701970-06-021970-08-20
19711971-05-191971-08-19
19721972-05-231972-07-21
19731973-07-071973-09-05
19741974-06-101974-08-22
19751975-05-201975-08-26
19761976-04-181976-08-21
19781978-05-251978-08-16
19791979-05-091979-08-04
19801980-06-241980-08-24
19811981-06-161981-07-09

Every Fixed Threshold

Fixed thresholds at St Mathieu Laprairie
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days243419554
35 C (95 F): Days2319552
90 F (32.2 C): Days191319551
0 C (32 F): Ice days (max2492195568
0 C (32 F): Frost days (min241831956141
-10 C (14 F): Days with min2489197851
-20 C (-4 F): Days with min2437197018
-30 C (-22 F): Days with min19519573
-40 C (-40 F): Days with min1119571
20 C (68 F): Tropical nights (min241719593
25 C (77 F): Days with min1119761
10 mm (0.39 in): Days with 10 mm or more rain3047195438
25 mm (0.98 in): Days with 25 mm or more rain30919575
50 mm (1.97 in): Days with 50 mm or more rain11219812
10 cm (3.9 in): Days with 10 cm or more snowfall301319514
25 cm (9.8 in): Days with 25 cm or more snowfall13319582

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for St Mathieu Laprairie 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).