Alsask Threshold Days by Year (CA004040120)

17 fixed thresholds counted per year at Alsask (CA004040120): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Alsask Thresholds

Alsask: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1927 with 16.
Alsask: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1936 with 38.
Alsask: days with a maximum temperature at or above 90 F (32.2 C) in 17 years, most in 1936 with 27.
Alsask: days with a maximum temperature at or below 0 C (32 F) in 17 years, most in 1950 with 130.
17 fixed thresholds have at least one qualifying day at Alsask.

Days at or above 30 C (86 F)

17 years with a qualifying day

Days per year at Alsask with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1936.

Days at or above 30 C (86 F) per year at Alsask
Year	Days	Decade average
1918	19	18
1919	17	18
1926	20	16.7
1927	4	16.7
1929	26	16.7
1930	20	26.1
1931	28	26.1
1932	16	26.1
1933	33	26.1
1934	25	26.1
1935	21	26.1
1936	38	26.1
1937	34	26.1
1938	22	26.1
1939	24	26.1
1949	16	16
1950	12	12

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

First to last qualifying date each year at Alsask
Year	First date	Last date
1918	1918-06-10	1918-08-08
1919	1919-05-15	1919-08-20
1926	1926-06-04	1926-08-25
1927	1927-07-24	1927-09-07
1929	1929-07-02	1929-08-31
1930	1930-06-10	1930-09-06
1931	1931-05-13	1931-08-25
1932	1932-06-13	1932-09-07
1933	1933-05-30	1933-08-29
1934	1934-05-15	1934-10-13
1935	1935-06-22	1935-09-15
1936	1936-05-26	1936-08-21
1937	1937-06-02	1937-09-20
1938	1938-06-21	1938-09-25
1939	1939-04-30	1939-08-29
1949	1949-06-09	1949-09-09
1950	1950-06-12	1950-09-24

Every Fixed Threshold

Fixed thresholds at Alsask
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	17	38	1936	12
35 C (95 F): Days	15	9	1929	2
40 C (104 F): Days	2	1	1933	1
90 F (32.2 C): Days	17	27	1936	7
100 F (37.8 C): Days	10	5	1933	2
0 C (32 F): Ice days (max	17	130	1950	130
0 C (32 F): Frost days (min	16	222	1950	222
-10 C (14 F): Days with min	16	139	1935	134
-20 C (-4 F): Days with min	16	83	1936	76
-30 C (-22 F): Days with min	15	38	1936	26
-40 C (-40 F): Days with min	10	11	1950	11
20 C (68 F): Tropical nights (min	4	1	1927	1
10 mm (0.39 in): Days with 10 mm or more rain	19	16	1927	5
25 mm (0.98 in): Days with 25 mm or more rain	11	4	1927	2
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1927	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	5	1935	8
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1935	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

Data for Alsask 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).

Alsask Threshold Days by Year (CA004040120)

Key Facts for Alsask Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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