Catumnal Threshold Days by Year

4 fixed thresholds counted per year at Catumnal (ASN00036014): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Catumnal Thresholds

Catumnal: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1950 with 35.
Catumnal: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1950 with 22.
Catumnal: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1950 with 10.
Catumnal: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1955 with 2.
4 fixed thresholds have at least one qualifying day at Catumnal.

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

49 years with a qualifying day

Days per year at Catumnal with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at Catumnal
Year	Days	Decade average
1944	15	11.5
1945	10	11.5
1946	7	11.5
1947	13	11.5
1948	8	11.5
1949	16	11.5
1950	35	16.1
1951	11	16.1
1952	5	16.1
1953	13	16.1
1954	26	16.1
1955	22	16.1
1956	21	16.1
1957	9	16.1
1958	10	16.1
1959	9	16.1
1960	15	10.4
1961	10	10.4
1962	13	10.4
1963	14	10.4
1964	11	10.4
1965	7	10.4
1966	11	10.4
1967	8	10.4
1968	10	10.4
1969	5	10.4
1970	9	14.2
1971	18	14.2
1972	8	14.2
1973	15	14.2
1974	31	14.2
1975	16	14.2
1976	12	14.2
1977	14	14.2
1978	10	14.2
1979	9	14.2
1980	9	11
1981	16	11
1982	6	11
1983	9	11
1984	13	11
1985	12	11
1986	9	11
1987	13	11
1988	6	11
1989	17	11
1990	14	13.7
1991	14	13.7
1992	13	13.7

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

First to last qualifying date each year at Catumnal
Year	First date	Last date
1944	1944-01-20	1944-12-19
1945	1945-02-18	1945-12-17
1946	1946-01-10	1946-02-10
1947	1947-01-03	1947-12-11
1948	1948-01-01	1948-12-31
1949	1949-01-26	1949-12-20
1950	1950-01-10	1950-12-19
1951	1951-01-02	1951-10-11
1952	1952-02-17	1952-12-15
1953	1953-01-03	1953-10-15
1954	1954-01-02	1954-12-19
1955	1955-01-24	1955-11-26
1956	1956-01-19	1956-12-22
1957	1957-01-10	1957-12-12
1958	1958-02-12	1958-11-27
1959	1959-01-11	1959-12-24
1960	1960-01-21	1960-12-27
1961	1961-01-03	1961-12-25
1962	1962-01-12	1962-12-28
1963	1963-01-31	1963-12-17
1964	1964-01-01	1964-12-06
1965	1965-01-07	1965-12-15
1966	1966-01-06	1966-12-05
1967	1967-02-02	1967-12-29
1968	1968-02-10	1968-12-22
1969	1969-01-18	1969-12-24
1970	1970-01-22	1970-12-22
1971	1971-01-15	1971-12-26
1972	1972-01-04	1972-12-01
1973	1973-01-08	1973-12-21
1974	1974-01-01	1974-12-27
1975	1975-01-04	1975-12-28
1976	1976-01-12	1976-12-22
1977	1977-01-22	1977-12-19
1978	1978-01-26	1978-12-14
1979	1979-02-02	1979-12-03
1980	1980-01-06	1980-12-29
1981	1981-01-03	1981-12-23
1982	1982-01-24	1982-03-04
1983	1983-01-15	1983-12-31
1984	1984-01-03	1984-12-11
1985	1985-03-05	1985-12-22
1986	1986-02-03	1986-12-07
1987	1987-01-01	1987-11-22
1988	1988-01-21	1988-12-24
1989	1989-01-02	1989-12-12
1990	1990-02-01	1990-10-20
1991	1991-01-07	1991-06-21
1992	1992-01-28	1992-12-31

Every Fixed Threshold

Fixed thresholds at Catumnal
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	49	35	1950	13
25 mm (0.98 in): Days with 25 mm or more rain	49	22	1950	6
50 mm (1.97 in): Days with 50 mm or more rain	36	10	1950	4
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1955	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 Catumnal 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Catumnal Threshold Days by Year

Key Facts for Catumnal Thresholds

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

Every Fixed Threshold

Download the Data

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