Cassilis Post Office Threshold Days by Year

11 fixed thresholds counted per year at Cassilis Post Office (ASN00062005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cassilis Post Office Thresholds

Cassilis Post Office: days with 10 mm (0.39 in) or more of precipitation in 120 years, most in 1978 with 34.
Cassilis Post Office: days with 25 mm (0.98 in) or more of precipitation in 118 years, most in 1950 with 12.
Cassilis Post Office: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1898 with 5.
Cassilis Post Office: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1874 with 1.
11 fixed thresholds have at least one qualifying day at Cassilis Post Office.

Days with 10 mm (0.39 in) or more of precipitation

120 years with a qualifying day

Days per year at Cassilis Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1978.

Days with 10 mm (0.39 in) or more of precipitation per year at Cassilis Post Office
Year	Days	Decade average
1871	24	20.2
1872	21	20.2
1873	22	20.2
1874	21	20.2
1875	21	20.2
1876	17	20.2
1877	7	20.2
1878	24	20.2
1879	25	20.2
1880	16	18.8
1881	21	18.8
1882	17	18.8
1883	16	18.8
1885	13	18.8
1886	25	18.8
1887	26	18.8
1888	8	18.8
1889	27	18.8
1890	28	21.2
1891	28	21.2
1892	23	21.2
1893	24	21.2
1894	24	21.2
1895	19	21.2
1896	17	21.2
1897	17	21.2
1898	16	21.2
1899	16	21.2
1900	15	16.8
1901	16	16.8
1902	19	16.8
1903	17	16.8
1904	17	16.8
1905	10	16.8
1906	15	16.8
1907	14	16.8
1908	19	16.8
1909	26	16.8
1910	20	18
1911	25	18
1912	11	18
1913	18	18
1914	21	18
1915	8	18
1916	32	18
1917	26	18
1918	10	18
1919	9	18
1920	25	18.5
1921	29	18.5
1922	9	18.5
1923	11	18.5
1924	20	18.5
1925	10	18.5
1926	22	18.5
1927	14	18.5
1928	24	18.5
1929	21	18.5
1931	22	17.2
1932	15	17.2
1933	21	17.2
1934	24	17.2
1935	12	17.2
1936	18	17.2
1937	15	17.2
1938	13	17.2
1939	15	17.2
1940	12	17.1
1941	16	17.1
1942	20	17.1
1943	11	17.1
1944	15	17.1
1945	20	17.1
1946	9	17.1
1947	26	17.1
1948	20	17.1
1949	22	17.1
1950	29	18.8
1951	15	18.8
1952	17	18.8
1953	17	18.8
1954	18	18.8
1955	24	18.8
1956	23	18.8
1957	14	18.8
1958	13	18.8
1959	18	18.8
1960	13	15.6
1961	16	15.6
1962	17	15.6
1963	22	15.6
1964	13	15.6
1965	12	15.6
1966	17	15.6
1967	15	15.6
1970	17	20.7
1972	18	20.7
1973	27	20.7
1974	17	20.7
1975	20	20.7
1976	22	20.7
1977	14	20.7
1978	34	20.7
1979	17	20.7
1980	13	19
1981	24	19
1982	12	19
1983	24	19
1984	21	19
1985	17	19
1986	18	19
1987	23	19
1992	20	23
1993	21	23
1996	18	23
1998	30	23
1999	26	23
2001	16	16.3
2002	12	16.3
2003	21	16.3

For each year, a bar from the first to the last day at Cassilis Post Office meeting 10 mm (0.39 in).

First to last qualifying date each year at Cassilis Post Office
Year	First date	Last date
1871	1871-01-09	1871-12-28
1872	1872-01-27	1872-12-30
1873	1873-01-13	1873-12-29
1874	1874-01-14	1874-11-13
1875	1875-01-30	1875-10-21
1876	1876-01-16	1876-12-25
1877	1877-03-28	1877-12-16
1878	1878-02-04	1878-12-16
1879	1879-02-03	1879-12-28
1880	1880-01-09	1880-12-07
1881	1881-01-13	1881-12-10
1882	1882-02-06	1882-12-26
1883	1883-01-12	1883-11-11
1885	1885-01-18	1885-12-25
1886	1886-01-12	1886-12-30
1887	1887-01-20	1887-12-27
1888	1888-02-13	1888-12-01
1889	1889-01-04	1889-12-20
1890	1890-01-13	1890-12-23
1891	1891-01-06	1891-12-04
1892	1892-01-01	1892-12-31
1893	1893-01-19	1893-11-13
1894	1894-01-06	1894-12-29
1895	1895-01-05	1895-12-28
1896	1896-01-26	1896-12-15
1897	1897-01-10	1897-12-21
1898	1898-01-13	1898-12-24
1899	1899-01-19	1899-11-08
1900	1900-01-06	1900-12-05
1901	1901-01-02	1901-11-18
1902	1902-01-10	1902-12-18
1903	1903-03-25	1903-12-21
1904	1904-01-03	1904-12-12
1905	1905-02-20	1905-12-16
1906	1906-01-01	1906-12-25
1907	1907-01-27	1907-12-28
1908	1908-01-26	1908-11-26
1909	1909-01-21	1909-12-27
1910	1910-01-11	1910-12-19
1911	1911-01-06	1911-12-06
1912	1912-01-01	1912-10-28
1913	1913-02-03	1913-11-13
1914	1914-01-19	1914-12-31
1915	1915-03-31	1915-12-15
1916	1916-01-17	1916-12-13
1917	1917-01-12	1917-12-29
1918	1918-01-11	1918-10-31
1919	1919-02-18	1919-12-29
1920	1920-01-05	1920-12-25
1921	1921-01-05	1921-12-27
1922	1922-01-07	1922-12-10
1923	1923-01-06	1923-12-26
1924	1924-01-07	1924-12-08
1925	1925-01-05	1925-12-31
1926	1926-01-20	1926-12-31
1927	1927-01-22	1927-12-09
1928	1928-01-06	1928-12-22
1929	1929-01-14	1929-12-27
1931	1931-01-19	1931-12-05
1932	1932-01-01	1932-12-16
1933	1933-01-23	1933-12-09
1934	1934-01-29	1934-12-20
1935	1935-01-03	1935-12-02
1936	1936-01-11	1936-12-14
1937	1937-01-01	1937-12-29
1938	1938-01-28	1938-11-28
1939	1939-01-02	1939-11-14
1940	1940-04-05	1940-12-31
1941	1941-01-01	1941-12-20
1942	1942-01-15	1942-12-10
1943	1943-01-21	1943-12-29
1944	1944-01-13	1944-09-28
1945	1945-01-12	1945-12-19
1946	1946-01-19	1946-12-06
1947	1947-01-07	1947-12-26
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-21
1950	1950-01-02	1950-11-25
1951	1951-01-01	1951-11-27
1952	1952-02-19	1952-12-31
1953	1953-01-06	1953-12-26
1954	1954-01-01	1954-12-06
1955	1955-01-21	1955-12-14
1956	1956-01-21	1956-11-12
1957	1957-01-07	1957-12-31
1958	1958-01-29	1958-12-17
1959	1959-01-05	1959-12-23
1960	1960-01-05	1960-12-16
1961	1961-01-03	1961-12-19
1962	1962-01-11	1962-12-15
1963	1963-01-04	1963-12-28
1964	1964-01-14	1964-12-02
1965	1965-02-10	1965-12-15
1966	1966-02-05	1966-12-06
1967	1967-02-23	1967-12-30
1970	1970-01-10	1970-12-29
1972	1972-01-04	1972-11-27
1973	1973-01-10	1973-11-27
1974	1974-01-07	1974-11-18
1975	1975-01-04	1975-10-24
1976	1976-01-13	1976-12-24
1977	1977-01-15	1977-09-07
1978	1978-01-03	1978-12-29
1979	1979-01-27	1979-10-20
1980	1980-01-03	1980-12-30
1981	1981-01-07	1981-12-24
1982	1982-01-14	1982-11-18
1983	1983-01-23	1983-12-03
1984	1984-01-03	1984-12-28
1985	1985-02-08	1985-12-05
1986	1986-01-06	1986-11-14
1987	1987-01-01	1987-12-29
1992	1992-01-23	1992-12-21
1993	1993-01-25	1993-12-23
1996	1996-01-02	1996-12-31
1998	1998-01-02	1998-12-16
1999	1999-01-10	1999-12-24
2001	2001-01-31	2001-12-19
2002	2002-01-20	2002-12-11
2003	2003-01-02	2003-12-13

Every Fixed Threshold

Fixed thresholds at Cassilis Post Office
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	56	1973	46
35 C (95 F): Days	2	14	1973	6
40 C (104 F): Days	1	1	1973	1
90 F (32.2 C): Days	2	31	1973	19
100 F (37.8 C): Days	1	4	1973	4
0 C (32 F): Frost days (min	2	50	1974	50
20 C (68 F): Tropical nights (min	2	14	1973	4
10 mm (0.39 in): Days with 10 mm or more rain	120	34	1978	21
25 mm (0.98 in): Days with 25 mm or more rain	118	12	1950	5
50 mm (1.97 in): Days with 50 mm or more rain	60	5	1898	1
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1874	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

Data for Cassilis Post Office 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Cassilis Post Office Threshold Days by Year

Key Facts for Cassilis Post Office Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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