Columboola Threshold Days by Year

4 fixed thresholds counted per year at Columboola (ASN00042005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Columboola Thresholds

Columboola: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1956 with 36.
Columboola: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1956 with 17.
Columboola: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1956 with 7.
Columboola: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1942 with 2.
4 fixed thresholds have at least one qualifying day at Columboola.

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

61 years with a qualifying day

Days per year at Columboola with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Columboola
Year	Days	Decade average
1915	10	16.6
1916	27	16.6
1917	28	16.6
1918	10	16.6
1919	8	16.6
1920	25	20.4
1921	19	20.4
1922	16	20.4
1923	13	20.4
1924	19	20.4
1925	22	20.4
1927	32	20.4
1928	16	20.4
1929	22	20.4
1930	18	19
1931	25	19
1932	16	19
1933	23	19
1934	29	19
1935	15	19
1936	13	19
1937	17	19
1938	17	19
1939	17	19
1940	20	20.9
1941	16	20.9
1942	31	20.9
1943	24	20.9
1944	15	20.9
1945	24	20.9
1946	14	20.9
1947	22	20.9
1948	21	20.9
1949	22	20.9
1950	25	23.2
1951	14	23.2
1952	27	23.2
1953	21	23.2
1954	31	23.2
1955	21	23.2
1956	36	23.2
1957	15	23.2
1958	21	23.2
1959	21	23.2
1960	20	20.2
1961	25	20.2
1962	19	20.2
1963	19	20.2
1964	17	20.2
1965	19	20.2
1966	21	20.2
1967	18	20.2
1968	23	20.2
1969	21	20.2
1973	26	18
1974	16	18
1975	16	18
1976	17	18
1977	10	18
1978	24	18
1979	17	18

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

First to last qualifying date each year at Columboola
Year	First date	Last date
1915	1915-02-26	1915-12-10
1916	1916-01-01	1916-12-14
1917	1917-01-06	1917-12-21
1918	1918-01-01	1918-12-03
1919	1919-01-16	1919-12-17
1920	1920-01-02	1920-12-09
1921	1921-01-14	1921-12-31
1922	1922-01-01	1922-12-22
1923	1923-04-11	1923-12-27
1924	1924-01-07	1924-12-17
1925	1925-01-05	1925-12-30
1927	1927-01-04	1927-12-28
1928	1928-01-07	1928-12-24
1929	1929-01-20	1929-12-31
1930	1930-01-20	1930-12-18
1931	1931-01-15	1931-12-10
1932	1932-04-04	1932-12-21
1933	1933-01-19	1933-12-15
1934	1934-01-07	1934-12-28
1935	1935-01-06	1935-12-07
1936	1936-02-03	1936-12-31
1937	1937-01-03	1937-12-20
1938	1938-01-20	1938-11-28
1939	1939-01-01	1939-12-08
1940	1940-01-30	1940-12-19
1941	1941-01-06	1941-06-20
1942	1942-01-06	1942-12-31
1943	1943-01-01	1943-12-20
1944	1944-01-04	1944-11-25
1945	1945-01-01	1945-12-29
1946	1946-01-23	1946-12-16
1947	1947-01-30	1947-12-26
1948	1948-01-03	1948-12-31
1949	1949-01-09	1949-12-17
1950	1950-01-19	1950-11-25
1951	1951-01-02	1951-12-19
1952	1952-01-09	1952-12-31
1953	1953-01-07	1953-12-28
1954	1954-01-18	1954-12-20
1955	1955-01-10	1955-12-17
1956	1956-01-13	1956-12-22
1957	1957-01-10	1957-12-17
1958	1958-01-20	1958-12-26
1959	1959-01-03	1959-12-19
1960	1960-02-06	1960-12-16
1961	1961-02-15	1961-12-20
1962	1962-01-04	1962-12-31
1963	1963-01-02	1963-12-14
1964	1964-01-23	1964-11-16
1965	1965-01-04	1965-12-15
1966	1966-01-25	1966-12-30
1967	1967-01-02	1967-12-26
1968	1968-01-04	1968-12-25
1969	1969-01-13	1969-12-24
1973	1973-01-13	1973-12-26
1974	1974-01-01	1974-11-19
1975	1975-01-07	1975-12-23
1976	1976-01-14	1976-12-23
1977	1977-01-12	1977-11-21
1978	1978-01-13	1978-12-23
1979	1979-03-04	1979-12-21

Every Fixed Threshold

Fixed thresholds at Columboola
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	61	36	1956	17
25 mm (0.98 in): Days with 25 mm or more rain	61	17	1956	6
50 mm (1.97 in): Days with 50 mm or more rain	45	7	1956	1
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1942	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Columboola 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Columboola Threshold Days by Year

Key Facts for Columboola Thresholds

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

Every Fixed Threshold

Download the Data

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