Hudson Bay Threshold Days by Year (CA004083320)

15 fixed thresholds counted per year at Hudson Bay (CA004083320): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hudson Bay Thresholds

Hudson Bay: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1961 with 22.
Hudson Bay: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1966 with 145.
Hudson Bay: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1945 with 240.
Hudson Bay: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1966 with 146.
15 fixed thresholds have at least one qualifying day at Hudson Bay.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Hudson Bay with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 1961.

Days at or above 30 C (86 F) per year at Hudson Bay
Year	Days	Decade average
1944	10	10.8
1945	6	10.8
1946	10	10.8
1947	19	10.8
1948	8	10.8
1949	12	10.8
1950	6	5.5
1951	2	5.5
1952	3	5.5
1953	9	5.5
1954	1	5.5
1955	13	5.5
1956	4	5.5
1957	4	5.5
1958	7	5.5
1959	6	5.5
1960	11	7.6
1961	22	7.6
1962	4	7.6
1963	5	7.6
1964	5	7.6
1965	1	7.6
1966	3	7.6
1967	15	7.6
1968	3	7.6
1969	7	7.6
1970	9	6.8
1971	5	6.8
1972	7	6.8
1973	7	6.8
1974	7	6.8
1975	10	6.8
1976	3	6.8
1977	6	6.8

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

First to last qualifying date each year at Hudson Bay
Year	First date	Last date
1944	1944-05-27	1944-08-09
1945	1945-06-21	1945-08-18
1946	1946-05-29	1946-09-15
1947	1947-07-02	1947-08-04
1948	1948-05-25	1948-09-03
1949	1949-04-28	1949-08-19
1950	1950-07-26	1950-09-25
1951	1951-05-23	1951-06-14
1952	1952-04-28	1952-08-23
1953	1953-05-06	1953-08-20
1954	1954-07-20	1954-07-20
1955	1955-06-29	1955-09-02
1956	1956-06-09	1956-06-21
1957	1957-07-10	1957-07-27
1958	1958-05-12	1958-08-17
1959	1959-07-13	1959-08-04
1960	1960-05-12	1960-09-04
1961	1961-05-22	1961-09-16
1962	1962-06-26	1962-08-21
1963	1963-07-05	1963-08-10
1964	1964-05-20	1964-09-17
1965	1965-08-04	1965-08-04
1966	1966-07-10	1966-08-27
1967	1967-06-27	1967-09-06
1968	1968-07-12	1968-09-12
1969	1969-07-11	1969-09-13
1970	1970-06-03	1970-08-08
1971	1971-08-05	1971-09-11
1972	1972-06-06	1972-08-29
1973	1973-06-23	1973-08-17
1974	1974-06-24	1974-08-06
1975	1975-06-24	1975-07-29
1976	1976-08-07	1976-09-06
1977	1977-05-11	1977-07-22

Every Fixed Threshold

Fixed thresholds at Hudson Bay
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	22	1961	6
35 C (95 F): Days	10	3	1949	1
90 F (32.2 C): Days	28	11	1961	2
0 C (32 F): Ice days (max	34	145	1966	110
0 C (32 F): Frost days (min	34	240	1945	189
-10 C (14 F): Days with min	34	146	1966	112
-20 C (-4 F): Days with min	34	102	1955	64
-30 C (-22 F): Days with min	34	47	1966	25
-40 C (-40 F): Days with min	25	13	1966	5
20 C (68 F): Tropical nights (min	3	1	1947	1
10 mm (0.39 in): Days with 10 mm or more rain	33	20	1956	16
25 mm (0.98 in): Days with 25 mm or more rain	28	7	1953	2
50 mm (1.97 in): Days with 50 mm or more rain	7	1	1954	1
10 cm (3.9 in): Days with 10 cm or more snowfall	29	10	1956	3
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

Data for Hudson Bay 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).

Hudson Bay Threshold Days by Year (CA004083320)

Key Facts for Hudson Bay Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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