Glen Morgan Threshold Days by Year (SF002965830)

4 fixed thresholds counted per year at Glen Morgan (SF002965830): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glen Morgan Thresholds

Glen Morgan: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1934 with 38.
Glen Morgan: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1957 with 12.
Glen Morgan: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1934 with 4.
Glen Morgan: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1948 with 1.
4 fixed thresholds have at least one qualifying day at Glen Morgan.

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

67 years with a qualifying day

Days per year at Glen Morgan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1934.

Days with 10 mm (0.39 in) or more of precipitation per year at Glen Morgan
Year	Days	Decade average
1924	25	24.2
1925	21	24.2
1926	28	24.2
1927	21	24.2
1928	21	24.2
1929	29	24.2
1930	22	22.9
1931	25	22.9
1932	11	22.9
1933	18	22.9
1934	38	22.9
1935	16	22.9
1936	24	22.9
1937	24	22.9
1938	23	22.9
1939	28	22.9
1940	21	23.7
1941	15	23.7
1942	35	23.7
1943	33	23.7
1944	25	23.7
1945	17	23.7
1946	24	23.7
1947	24	23.7
1948	18	23.7
1949	25	23.7
1950	30	25.2
1951	19	25.2
1952	21	25.2
1953	25	25.2
1954	20	25.2
1955	22	25.2
1956	31	25.2
1957	37	25.2
1958	19	25.2
1959	28	25.2
1960	24	22.7
1961	27	22.7
1962	17	22.7
1964	22	22.7
1965	18	22.7
1966	18	22.7
1967	34	22.7
1968	19	22.7
1969	25	22.7
1970	19	25.2
1971	19	25.2
1972	23	25.2
1973	21	25.2
1974	33	25.2
1975	35	25.2
1976	25	25.2
1977	24	25.2
1978	28	25.2
1979	25	25.2
1980	15	23.3
1981	34	23.3
1982	22	23.3
1983	17	23.3
1984	15	23.3
1985	18	23.3
1986	22	23.3
1987	26	23.3
1988	34	23.3
1989	30	23.3
1990	23	26.5
1991	30	26.5

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

First to last qualifying date each year at Glen Morgan
Year	First date	Last date
1924	1924-01-10	1924-12-20
1925	1925-01-08	1925-12-06
1926	1926-01-13	1926-12-28
1927	1927-01-20	1927-12-28
1928	1928-01-05	1928-12-25
1929	1929-01-06	1929-11-26
1930	1930-01-14	1930-12-30
1931	1931-01-06	1931-12-31
1932	1932-02-04	1932-12-29
1933	1933-01-02	1933-12-28
1934	1934-01-01	1934-12-10
1935	1935-01-02	1935-12-31
1936	1936-01-11	1936-12-28
1937	1937-01-03	1937-12-23
1938	1938-02-04	1938-12-30
1939	1939-01-01	1939-12-27
1940	1940-01-03	1940-12-27
1941	1941-01-21	1941-12-25
1942	1942-01-02	1942-12-26
1943	1943-01-12	1943-12-27
1944	1944-01-04	1944-11-28
1945	1945-01-06	1945-12-30
1946	1946-01-08	1946-12-21
1947	1947-01-03	1947-12-24
1948	1948-01-01	1948-11-03
1949	1949-01-03	1949-12-18
1950	1950-01-13	1950-12-21
1951	1951-01-02	1951-12-19
1952	1952-01-03	1952-12-24
1953	1953-01-04	1953-12-30
1954	1954-01-02	1954-12-09
1955	1955-01-22	1955-12-20
1956	1956-01-04	1956-12-25
1957	1957-01-10	1957-12-31
1958	1958-01-09	1958-12-26
1959	1959-01-07	1959-12-30
1960	1960-01-21	1960-12-29
1961	1961-01-14	1961-12-16
1962	1962-01-03	1962-12-27
1964	1964-01-10	1964-12-27
1965	1965-01-03	1965-12-27
1966	1966-01-07	1966-12-19
1967	1967-01-01	1967-12-30
1968	1968-03-03	1968-12-09
1969	1969-01-06	1969-12-28
1970	1970-01-16	1970-12-24
1971	1971-01-10	1971-12-27
1972	1972-01-03	1972-11-06
1973	1973-01-01	1973-12-24
1974	1974-01-09	1974-12-18
1975	1975-01-16	1975-12-21
1976	1976-01-05	1976-12-26
1977	1977-01-10	1977-12-31
1978	1978-01-02	1978-12-30
1979	1979-01-15	1979-12-19
1980	1980-01-04	1980-12-25
1981	1981-01-01	1981-12-23
1982	1982-01-28	1982-12-06
1983	1983-02-01	1983-12-31
1984	1984-01-01	1984-12-20
1985	1985-01-12	1985-12-26
1986	1986-01-01	1986-12-28
1987	1987-01-11	1987-12-22
1988	1988-01-17	1988-12-24
1989	1989-01-02	1989-12-31
1990	1990-01-09	1990-12-29
1991	1991-01-07	1991-12-19

Every Fixed Threshold

Fixed thresholds at Glen Morgan
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	67	38	1934	30
25 mm (0.98 in): Days with 25 mm or more rain	66	12	1957	8
50 mm (1.97 in): Days with 50 mm or more rain	30	4	1934	2
100 mm (3.94 in): Days with 100 mm or more rain	1	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 1924.

Download the Data

Data for Glen Morgan 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Glen Morgan Threshold Days by Year (SF002965830)

Key Facts for Glen Morgan Thresholds

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

Every Fixed Threshold

Download the Data

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