Regina Int'l A Threshold Days by Year (CA004016560)

19 fixed thresholds counted per year at Regina Int'l A (CA004016560): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Regina Int'l A Thresholds

Regina Int'l A: days with a maximum temperature at or above 30 C (86 F) in 90 years, most in 1937 with 52.
Regina Int'l A: days with a maximum temperature at or below 0 C (32 F) in 90 years, most in 1951 with 150.
Regina Int'l A: nights with a minimum temperature at or below 0 C (32 F) in 90 years, most in 1907 with 238.
Regina Int'l A: nights with a minimum temperature at or below -10 C (14 F) in 90 years, most in 1935 with 152.
19 fixed thresholds have at least one qualifying day at Regina Int'l A.

Days at or above 30 C (86 F)

90 years with a qualifying day

Days per year at Regina Int'l A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1937.

Days at or above 30 C (86 F) per year at Regina Int'l A
Year	Days	Decade average
1884	16	21
1885	10	21
1886	45	21
1887	13	21
1898	22	14
1899	6	14
1900	21	9.7
1901	18	9.7
1902	10	9.7
1903	2	9.7
1904	9	9.7
1905	5	9.7
1906	17	9.7
1907	2	9.7
1908	6	9.7
1909	7	9.7
1910	14	15.1
1911	3	15.1
1912	7	15.1
1913	5	15.1
1914	24	15.1
1915	12	15.1
1916	8	15.1
1917	22	15.1
1918	14	15.1
1919	42	15.1
1920	28	20.5
1921	21	20.5
1922	25	20.5
1923	14	20.5
1924	16	20.5
1925	27	20.5
1926	18	20.5
1927	3	20.5
1928	13	20.5
1929	40	20.5
1930	30	31.2
1931	37	31.2
1932	24	31.2
1933	26	31.2
1934	29	31.2
1935	18	31.2
1936	45	31.2
1937	52	31.2
1938	22	31.2
1939	29	31.2
1940	33	17.5
1941	15	17.5
1942	6	17.5
1943	18	17.5
1944	10	17.5
1945	14	17.5
1946	16	17.5
1947	20	17.5
1948	18	17.5
1949	25	17.5
1950	12	13.4
1951	10	13.4
1952	14	13.4
1953	8	13.4
1954	7	13.4
1955	16	13.4
1956	8	13.4
1957	19	13.4
1958	20	13.4
1959	20	13.4
1960	23	19.3
1961	43	19.3
1962	9	19.3
1963	12	19.3
1964	17	19.3
1965	9	19.3
1966	18	19.3
1967	26	19.3
1968	12	19.3
1969	24	19.3
1970	24	16.8
1971	20	16.8
1972	16	16.8
1973	18	16.8
1974	14	16.8
1975	17	16.8
1976	10	16.8
1977	8	16.8
1978	18	16.8
1979	23	16.8
1980	21	20
1981	19	20
1982	10	20
1983	30	20

For each year, a bar from the first to the last day at Regina Int'l A meeting 30 C (86 F).

First to last qualifying date each year at Regina Int'l A
Year	First date	Last date
1884	1884-06-02	1884-08-31
1885	1885-06-20	1885-09-24
1886	1886-05-27	1886-09-02
1887	1887-05-10	1887-09-29
1898	1898-06-18	1898-09-28
1899	1899-06-29	1899-07-22
1900	1900-04-23	1900-08-07
1901	1901-05-17	1901-09-02
1902	1902-05-30	1902-08-28
1903	1903-05-14	1903-05-15
1904	1904-06-18	1904-08-27
1905	1905-08-08	1905-08-27
1906	1906-05-11	1906-09-09
1907	1907-07-05	1907-07-12
1908	1908-07-10	1908-09-16
1909	1909-07-02	1909-09-09
1910	1910-04-20	1910-10-09
1911	1911-05-05	1911-06-19
1912	1912-06-22	1912-06-30
1913	1913-05-27	1913-09-05
1914	1914-06-01	1914-09-19
1915	1915-07-22	1915-09-06
1916	1916-07-13	1916-08-17
1917	1917-05-15	1917-09-23
1918	1918-06-09	1918-08-26
1919	1919-05-20	1919-08-31
1920	1920-06-30	1920-10-07
1921	1921-06-14	1921-08-31
1922	1922-06-02	1922-09-27
1923	1923-05-26	1923-09-14
1924	1924-07-02	1924-09-23
1925	1925-05-18	1925-09-15
1926	1926-06-26	1926-08-26
1927	1927-07-24	1927-08-13
1928	1928-05-06	1928-09-18
1929	1929-06-09	1929-09-01
1930	1930-05-03	1930-08-26
1931	1931-05-13	1931-09-07
1932	1932-05-12	1932-09-08
1933	1933-06-03	1933-08-20
1934	1934-05-08	1934-10-12
1935	1935-06-29	1935-09-09
1936	1936-05-15	1936-09-03
1937	1937-06-14	1937-09-20
1938	1938-05-27	1938-09-24
1939	1939-04-29	1939-09-17
1940	1940-05-11	1940-09-04
1941	1941-05-24	1941-09-18
1942	1942-07-15	1942-09-06
1943	1943-07-03	1943-10-04
1944	1944-05-27	1944-09-07
1945	1945-06-21	1945-09-04
1946	1946-05-28	1946-09-15
1947	1947-07-02	1947-08-09
1948	1948-05-18	1948-09-03
1949	1949-04-28	1949-09-24
1950	1950-06-12	1950-09-25
1951	1951-05-23	1951-08-22
1952	1952-04-26	1952-09-26
1953	1953-05-07	1953-08-21
1954	1954-06-22	1954-08-30
1955	1955-06-29	1955-09-02
1956	1956-06-01	1956-09-26
1957	1957-07-09	1957-10-02
1958	1958-05-12	1958-08-17
1959	1959-06-03	1959-08-24
1960	1960-05-12	1960-09-15
1961	1961-05-29	1961-09-16
1962	1962-06-25	1962-08-21
1963	1963-05-30	1963-09-30
1964	1964-05-17	1964-10-13
1965	1965-06-11	1965-08-23
1966	1966-06-20	1966-09-11
1967	1967-06-27	1967-09-06
1968	1968-06-19	1968-09-11
1969	1969-05-26	1969-09-13
1970	1970-06-03	1970-09-04
1971	1971-06-03	1971-09-11
1972	1972-05-17	1972-08-30
1973	1973-06-13	1973-08-30
1974	1974-06-19	1974-08-06
1975	1975-06-24	1975-09-16
1976	1976-07-17	1976-09-11
1977	1977-05-10	1977-07-22
1978	1978-05-15	1978-09-04
1979	1979-06-12	1979-09-16
1980	1980-04-20	1980-09-07
1981	1981-05-20	1981-09-18
1982	1982-06-22	1982-09-09
1983	1983-06-09	1983-09-26

Every Fixed Threshold

Fixed thresholds at Regina Int'l A
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	90	52	1937	30
35 C (95 F): Days	65	11	1886	3
40 C (104 F): Days	5	1	1886	1
90 F (32.2 C): Days	86	33	1937	12
100 F (37.8 C): Days	19	5	1931	2
110 F (43.3 C): Days	1	1	1937	1
0 C (32 F): Ice days (max	90	150	1951	106
0 C (32 F): Frost days (min	90	238	1907	206
-10 C (14 F): Days with min	90	152	1935	100
-20 C (-4 F): Days with min	90	92	1884	42
-30 C (-22 F): Days with min	89	56	1884	13
-40 C (-40 F): Days with min	45	11	1884	2
20 C (68 F): Tropical nights (min	18	3	1886	1
10 mm (0.39 in): Days with 10 mm or more rain	87	19	1916	10
25 mm (0.98 in): Days with 25 mm or more rain	69	6	1911	4
50 mm (1.97 in): Days with 50 mm or more rain	20	3	1887	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1887	1
10 cm (3.9 in): Days with 10 cm or more snowfall	45	6	1916	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1904	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

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Data for Regina Int'l A 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).

Regina Int'l A Threshold Days by Year (CA004016560)

Key Facts for Regina Int'l A Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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