Laprairie Threshold Days by Year (CA007024100)

15 fixed thresholds counted per year at Laprairie (CA007024100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Laprairie Thresholds

Laprairie: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1979 with 24.
Laprairie: days with a maximum temperature at or below 0 C (32 F) in 20 years, most in 1963 with 96.
Laprairie: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1965 with 166.
Laprairie: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1978 with 96.
15 fixed thresholds have at least one qualifying day at Laprairie.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Laprairie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1979.

Days at or above 30 C (86 F) per year at Laprairie
Year	Days	Decade average
1963	17	10.4
1964	13	10.4
1965	6	10.4
1966	15	10.4
1967	4	10.4
1968	7	10.4
1969	11	10.4
1970	23	16.5
1971	16	16.5
1972	9	16.5
1973	17	16.5
1974	4	16.5
1975	23	16.5
1976	10	16.5
1977	16	16.5
1978	23	16.5
1979	24	16.5
1980	10	11.7
1981	9	11.7
1982	16	11.7

For each year, a bar from the first to the last day at Laprairie meeting 30 C (86 F).

First to last qualifying date each year at Laprairie
Year	First date	Last date
1963	1963-06-02	1963-07-29
1964	1964-05-23	1964-07-29
1965	1965-06-28	1965-09-22
1966	1966-05-27	1966-08-09
1967	1967-06-03	1967-06-16
1968	1968-07-09	1968-07-19
1969	1969-06-12	1969-08-31
1970	1970-06-02	1970-08-20
1971	1971-05-19	1971-08-19
1972	1972-05-23	1972-09-01
1973	1973-07-07	1973-09-05
1974	1974-06-10	1974-08-22
1975	1975-05-20	1975-08-16
1976	1976-06-10	1976-08-22
1977	1977-05-17	1977-09-01
1978	1978-05-27	1978-08-16
1979	1979-05-09	1979-08-04
1980	1980-06-14	1980-08-24
1981	1981-06-16	1981-07-26
1982	1982-05-07	1982-09-13

Every Fixed Threshold

Fixed thresholds at Laprairie
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	24	1979	16
35 C (95 F): Days	6	2	1964	1
90 F (32.2 C): Days	18	11	1979	4
0 C (32 F): Ice days (max	20	96	1963	73
0 C (32 F): Frost days (min	19	166	1965	142
-10 C (14 F): Days with min	19	96	1978	78
-20 C (-4 F): Days with min	19	30	1968	21
-30 C (-22 F): Days with min	8	4	1976	1
20 C (68 F): Tropical nights (min	19	20	1973	4
25 C (77 F): Days with min	1	1	1977	1
10 mm (0.39 in): Days with 10 mm or more rain	14	32	1977	18
25 mm (0.98 in): Days with 25 mm or more rain	13	11	1976	7
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	9	1977	2
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	1966	1

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 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Laprairie Threshold Days by Year (CA007024100)

Key Facts for Laprairie Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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