Pot-the-Red Threshold Days by Year

4 fixed thresholds counted per year at Pot-the-Red (SF002954050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pot-the-Red Thresholds

Pot-the-Red: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1996 with 36.
Pot-the-Red: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1960 with 11.
Pot-the-Red: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1991 with 3.
Pot-the-Red: 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 Pot-the-Red.

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

56 years with a qualifying day

Days per year at Pot-the-Red with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1996.

Days with 10 mm (0.39 in) or more of precipitation per year at Pot-the-Red
Year	Days	Decade average
1941	17	22.1
1942	27	22.1
1943	35	22.1
1944	18	22.1
1945	10	22.1
1946	22	22.1
1947	29	22.1
1948	24	22.1
1949	17	22.1
1950	27	24.4
1951	19	24.4
1952	20	24.4
1953	22	24.4
1954	23	24.4
1955	24	24.4
1956	28	24.4
1957	31	24.4
1958	22	24.4
1959	28	24.4
1960	25	21.6
1961	26	21.6
1962	24	21.6
1963	31	21.6
1964	20	21.6
1965	11	21.6
1966	21	21.6
1967	28	21.6
1968	7	21.6
1969	23	21.6
1970	18	21.8
1971	17	21.8
1972	18	21.8
1973	18	21.8
1974	24	21.8
1975	28	21.8
1976	33	21.8
1977	20	21.8
1978	22	21.8
1979	20	21.8
1980	14	19
1981	23	19
1982	15	19
1983	16	19
1984	19	19
1985	13	19
1986	22	19
1987	18	19
1988	25	19
1989	25	19
1990	18	21.6
1991	35	21.6
1992	11	21.6
1993	17	21.6
1994	12	21.6
1995	22	21.6
1996	36	21.6

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

First to last qualifying date each year at Pot-the-Red
Year	First date	Last date
1941	1941-01-01	1941-12-18
1942	1942-01-02	1942-12-26
1943	1943-01-11	1943-12-31
1944	1944-01-08	1944-11-28
1945	1945-01-07	1945-12-30
1946	1946-01-08	1946-12-22
1947	1947-01-14	1947-12-28
1948	1948-01-10	1948-12-11
1949	1949-01-22	1949-12-18
1950	1950-01-03	1950-12-28
1951	1951-01-01	1951-12-24
1952	1952-01-14	1952-12-16
1953	1953-01-04	1953-12-20
1954	1954-01-09	1954-12-15
1955	1955-01-05	1955-12-20
1956	1956-01-13	1956-12-25
1957	1957-01-10	1957-12-31
1958	1958-01-09	1958-12-27
1959	1959-01-07	1959-12-30
1960	1960-01-19	1960-12-28
1961	1961-01-16	1961-12-16
1962	1962-01-11	1962-12-28
1963	1963-01-05	1963-12-29
1964	1964-01-10	1964-12-28
1965	1965-01-03	1965-11-16
1966	1966-01-07	1966-12-31
1967	1967-01-03	1967-12-21
1968	1968-03-03	1968-12-07
1969	1969-01-05	1969-12-07
1970	1970-01-18	1970-12-25
1971	1971-01-05	1971-12-28
1972	1972-01-09	1972-11-24
1973	1973-01-01	1973-12-16
1974	1974-01-06	1974-12-25
1975	1975-01-21	1975-12-25
1976	1976-01-01	1976-12-22
1977	1977-01-13	1977-12-21
1978	1978-01-02	1978-12-30
1979	1979-01-05	1979-12-25
1980	1980-01-17	1980-11-29
1981	1981-01-23	1981-12-19
1982	1982-01-28	1982-12-05
1983	1983-01-31	1983-12-31
1984	1984-01-01	1984-12-18
1985	1985-01-15	1985-12-22
1986	1986-01-18	1986-12-28
1987	1987-01-11	1987-12-22
1988	1988-01-15	1988-12-24
1989	1989-01-02	1989-12-08
1990	1990-01-08	1990-12-29
1991	1991-01-07	1991-12-31
1992	1992-01-01	1992-12-22
1993	1993-01-22	1993-12-30
1994	1994-01-04	1994-11-13
1995	1995-01-11	1995-12-22
1996	1996-01-13	1996-12-30

Every Fixed Threshold

Fixed thresholds at Pot-the-Red
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	56	36	1996	36
25 mm (0.98 in): Days with 25 mm or more rain	55	11	1960	9
50 mm (1.97 in): Days with 50 mm or more rain	26	3	1991	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 1941.

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Data for Pot-the-Red 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Pot-the-Red Threshold Days by Year

Key Facts for Pot-the-Red Thresholds

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

Every Fixed Threshold

Download the Data

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