Edson Threshold Days by Year (CA003062240)

15 fixed thresholds counted per year at Edson (CA003062240): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Edson Thresholds

Edson: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 1951 with 120.
Edson: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1950 with 258.
Edson: nights with a minimum temperature at or below -10 C (14 F) in 42 years, most in 1927 with 127.
Edson: nights with a minimum temperature at or below -20 C (-4 F) in 42 years, most in 1955 with 75.
15 fixed thresholds have at least one qualifying day at Edson.

Days at or above 30 C (86 F)

35 years with a qualifying day

Days per year at Edson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1938.

Days at or above 30 C (86 F) per year at Edson
Year	Days	Decade average
1917	3	4.3
1918	4	4.3
1919	6	4.3
1920	7	5.5
1922	7	5.5
1923	3	5.5
1924	7	5.5
1925	4	5.5
1926	8	5.5
1927	4	5.5
1929	4	5.5
1930	8	6.7
1931	7	6.7
1932	5	6.7
1933	7	6.7
1934	5	6.7
1935	6	6.7
1936	6	6.7
1937	7	6.7
1938	9	6.7
1939	7	6.7
1940	9	4.6
1941	7	4.6
1942	9	4.6
1944	2	4.6
1945	5	4.6
1946	1	4.6
1948	1	4.6
1949	3	4.6
1950	6	2.7
1952	1	2.7
1955	4	2.7
1956	2	2.7
1958	1	2.7
1959	2	2.7

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

First to last qualifying date each year at Edson
Year	First date	Last date
1917	1917-07-16	1917-08-16
1918	1918-07-17	1918-09-19
1919	1919-07-04	1919-08-17
1920	1920-07-15	1920-08-13
1922	1922-06-01	1922-08-30
1923	1923-07-13	1923-09-08
1924	1924-06-28	1924-07-26
1925	1925-04-28	1925-07-17
1926	1926-06-26	1926-07-24
1927	1927-07-22	1927-08-03
1929	1929-07-14	1929-08-07
1930	1930-07-11	1930-08-13
1931	1931-07-09	1931-08-23
1932	1932-07-22	1932-08-26
1933	1933-07-07	1933-08-28
1934	1934-07-25	1934-08-28
1935	1935-07-13	1935-08-12
1936	1936-05-26	1936-07-20
1937	1937-06-28	1937-09-16
1938	1938-06-19	1938-09-17
1939	1939-07-09	1939-08-21
1940	1940-05-23	1940-08-30
1941	1941-06-12	1941-07-19
1942	1942-07-01	1942-08-17
1944	1944-09-10	1944-09-12
1945	1945-07-13	1945-08-15
1946	1946-07-20	1946-07-20
1948	1948-06-07	1948-06-07
1949	1949-06-06	1949-08-01
1950	1950-06-14	1950-09-22
1952	1952-09-25	1952-09-25
1955	1955-06-11	1955-07-18
1956	1956-05-31	1956-07-19
1958	1958-08-25	1958-08-25
1959	1959-07-18	1959-07-23

Every Fixed Threshold

Fixed thresholds at Edson
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	35	9	1938	2
35 C (95 F): Days	4	3	1924	3
90 F (32.2 C): Days	21	4	1924	1
0 C (32 F): Ice days (max	42	120	1951	82
0 C (32 F): Frost days (min	42	258	1950	230
-10 C (14 F): Days with min	42	127	1927	103
-20 C (-4 F): Days with min	42	75	1955	41
-30 C (-22 F): Days with min	42	28	1950	8
-40 C (-40 F): Days with min	25	7	1950	1
20 C (68 F): Tropical nights (min	1	1	1917	1
10 mm (0.39 in): Days with 10 mm or more rain	39	23	1948	10
25 mm (0.98 in): Days with 25 mm or more rain	35	6	1939	3
50 mm (1.97 in): Days with 50 mm or more rain	10	3	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	37	10	1948	3
25 cm (9.8 in): Days with 25 cm or more snowfall	6	2	1939	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

Data for Edson 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).

Edson Threshold Days by Year (CA003062240)

Key Facts for Edson Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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