Richards Threshold Days by Year

6 fixed thresholds counted per year at Richards (USC00417586): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Richards Thresholds

Richards: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1968 with 50.
Richards: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1973 with 23.
Richards: days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1960 with 8.
Richards: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1960 with 3.
6 fixed thresholds have at least one qualifying day at Richards.

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

44 years with a qualifying day

Days per year at Richards with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1968.

Days with 10 mm (0.39 in) or more of precipitation per year at Richards
Year	Days	Decade average
1955	28	31.8
1956	25	31.8
1957	41	31.8
1958	33	31.8
1959	32	31.8
1960	40	32.5
1961	37	32.5
1962	33	32.5
1963	28	32.5
1964	28	32.5
1965	26	32.5
1966	33	32.5
1967	22	32.5
1968	50	32.5
1969	28	32.5
1970	32	38.4
1971	30	38.4
1972	40	38.4
1973	46	38.4
1974	42	38.4
1975	43	38.4
1976	46	38.4
1977	38	38.4
1978	24	38.4
1979	43	38.4
1980	25	32.8
1981	44	32.8
1982	40	32.8
1983	32	32.8
1984	37	32.8
1985	33	32.8
1986	40	32.8
1987	26	32.8
1988	22	32.8
1989	29	32.8
1990	29	34.8
1991	39	34.8
1992	37	34.8
1993	38	34.8
1994	31	34.8
2001	46	38.7
2003	33	38.7
2009	37	38.7
2010	20	20

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

First to last qualifying date each year at Richards
Year	First date	Last date
1955	1955-01-10	1955-12-04
1956	1956-01-18	1956-12-22
1957	1957-01-21	1957-12-28
1958	1958-01-06	1958-12-31
1959	1959-02-02	1959-12-16
1960	1960-01-01	1960-12-31
1961	1961-01-07	1961-12-18
1962	1962-01-04	1962-12-29
1963	1963-01-05	1963-12-21
1964	1964-01-16	1964-12-10
1965	1965-01-03	1965-12-19
1966	1966-01-04	1966-12-31
1967	1967-01-14	1967-12-31
1968	1968-01-04	1968-12-22
1969	1969-02-14	1969-12-30
1970	1970-01-05	1970-12-31
1971	1971-02-26	1971-12-10
1972	1972-01-01	1972-12-30
1973	1973-01-02	1973-12-24
1974	1974-01-06	1974-12-11
1975	1975-01-10	1975-12-25
1976	1976-01-20	1976-12-20
1977	1977-01-03	1977-12-29
1978	1978-01-12	1978-12-31
1979	1979-01-01	1979-12-29
1980	1980-01-22	1980-12-09
1981	1981-01-20	1981-12-07
1982	1982-01-11	1982-12-31
1983	1983-01-18	1983-12-03
1984	1984-01-08	1984-12-31
1985	1985-01-02	1985-12-12
1986	1986-01-09	1986-12-22
1987	1987-01-17	1987-12-25
1988	1988-01-06	1988-12-10
1989	1989-01-12	1989-12-29
1990	1990-01-05	1990-12-26
1991	1991-01-02	1991-12-27
1992	1992-01-05	1992-12-14
1993	1993-01-03	1993-12-27
1994	1994-01-26	1994-12-28
2001	2001-01-11	2001-12-10
2003	2003-02-06	2003-12-29
2009	2009-01-07	2009-12-29
2010	2010-01-28	2010-12-24

Every Fixed Threshold

Fixed thresholds at Richards
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	44	50	1968	20
25 mm (0.98 in): Days with 25 mm or more rain	44	23	1973	9
50 mm (1.97 in): Days with 50 mm or more rain	44	8	1960	4
100 mm (3.94 in): Days with 100 mm or more rain	17	3	1960	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

Data for Richards 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).

Richards Threshold Days by Year

Key Facts for Richards Thresholds

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

Every Fixed Threshold

Download the Data

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