Athabasca Threshold Days by Year (CA003060320)

16 fixed thresholds counted per year at Athabasca (CA003060320): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Athabasca Thresholds

Athabasca: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1951 with 145.
Athabasca: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1942 with 251.
Athabasca: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1935 with 149.
Athabasca: nights with a minimum temperature at or below -20 C (-4 F) in 37 years, most in 1933 with 94.
16 fixed thresholds have at least one qualifying day at Athabasca.

Days at or above 30 C (86 F)

36 years with a qualifying day

Days per year at Athabasca with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1941.

Days at or above 30 C (86 F) per year at Athabasca
Year	Days	Decade average
1919	5	5
1920	6	4.8
1922	5	4.8
1923	2	4.8
1924	4	4.8
1925	5	4.8
1926	8	4.8
1927	5	4.8
1928	5	4.8
1929	3	4.8
1930	8	5.9
1932	6	5.9
1933	3	5.9
1934	2	5.9
1935	4	5.9
1938	9	5.9
1939	9	5.9
1940	13	7.7
1941	15	7.7
1942	11	7.7
1943	5	7.7
1944	4	7.7
1945	6	7.7
1946	9	7.7
1947	5	7.7
1948	6	7.7
1949	3	7.7
1950	12	4.8
1951	4	4.8
1952	2	4.8
1953	5	4.8
1955	5	4.8
1956	3	4.8
1957	1	4.8
1959	6	4.8
1960	5	5

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

First to last qualifying date each year at Athabasca
Year	First date	Last date
1919	1919-05-22	1919-06-22
1920	1920-07-15	1920-08-07
1922	1922-06-01	1922-08-08
1923	1923-06-10	1923-06-12
1924	1924-05-14	1924-07-02
1925	1925-05-18	1925-08-02
1926	1926-06-26	1926-07-25
1927	1927-07-23	1927-08-11
1928	1928-05-21	1928-08-10
1929	1929-06-07	1929-07-15
1930	1930-06-06	1930-08-15
1932	1932-08-09	1932-08-28
1933	1933-06-14	1933-08-19
1934	1934-05-23	1934-05-24
1935	1935-07-14	1935-07-23
1938	1938-06-18	1938-09-03
1939	1939-04-29	1939-08-14
1940	1940-05-23	1940-08-28
1941	1941-06-12	1941-08-23
1942	1942-06-07	1942-08-14
1943	1943-07-02	1943-07-24
1944	1944-05-28	1944-09-10
1945	1945-07-12	1945-08-15
1946	1946-05-25	1946-09-01
1947	1947-07-13	1947-08-02
1948	1948-05-21	1948-08-17
1949	1949-08-02	1949-08-04
1950	1950-06-11	1950-08-01
1951	1951-05-23	1951-08-04
1952	1952-07-31	1952-08-06
1953	1953-06-12	1953-08-20
1955	1955-07-13	1955-08-07
1956	1956-07-19	1956-08-02
1957	1957-07-31	1957-07-31
1959	1959-05-16	1959-08-01
1960	1960-07-06	1960-08-10

Every Fixed Threshold

Fixed thresholds at Athabasca
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	36	15	1941	5
35 C (95 F): Days	4	4	1941	1
90 F (32.2 C): Days	23	7	1941	3
100 F (37.8 C): Days	1	1	1941	1
0 C (32 F): Ice days (max	38	145	1951	102
0 C (32 F): Frost days (min	37	251	1942	215
-10 C (14 F): Days with min	37	149	1935	111
-20 C (-4 F): Days with min	37	94	1933	66
-30 C (-22 F): Days with min	37	42	1950	24
-40 C (-40 F): Days with min	34	23	1950	3
20 C (68 F): Tropical nights (min	1	1	1939	1
10 mm (0.39 in): Days with 10 mm or more rain	37	27	1933	16
25 mm (0.98 in): Days with 25 mm or more rain	29	6	1920	4
50 mm (1.97 in): Days with 50 mm or more rain	5	1	1920	1
10 cm (3.9 in): Days with 10 cm or more snowfall	36	15	1933	4
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1946	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

Data for Athabasca 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).

Athabasca Threshold Days by Year (CA003060320)

Key Facts for Athabasca Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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