St Marys 3 W Threshold Days by Year (USC00337383)

5 fixed thresholds counted per year at St Marys 3 W (USC00337383): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St Marys 3 W Thresholds

St Marys 3 W: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1990 with 49.
St Marys 3 W: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1957 with 15.
St Marys 3 W: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1957 with 4.
St Marys 3 W: days with 10 cm (3.9 in) or more of snowfall in 9 years, most in 1951 with 5.
5 fixed thresholds have at least one qualifying day at St Marys 3 W.

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

76 years with a qualifying day

Days per year at St Marys 3 W with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1990.

Days with 10 mm (0.39 in) or more of precipitation per year at St Marys 3 W
Year	Days	Decade average
1938	35	33
1939	31	33
1940	29	31.5
1941	22	31.5
1942	26	31.5
1943	32	31.5
1944	32	31.5
1945	36	31.5
1946	26	31.5
1947	38	31.5
1948	48	31.5
1949	26	31.5
1951	27	29.4
1952	32	29.4
1953	21	29.4
1954	27	29.4
1955	30	29.4
1956	26	29.4
1957	34	29.4
1958	37	29.4
1959	31	29.4
1960	21	24.5
1961	30	24.5
1962	20	24.5
1963	20	24.5
1964	22	24.5
1965	23	24.5
1966	24	24.5
1967	27	24.5
1968	31	24.5
1969	27	24.5
1970	25	26.9
1971	26	26.9
1972	34	26.9
1973	29	26.9
1974	24	26.9
1975	31	26.9
1976	23	26.9
1977	21	26.9
1978	25	26.9
1979	31	26.9
1980	24	29.4
1981	22	29.4
1982	38	29.4
1983	23	29.4
1984	35	29.4
1985	29	29.4
1986	37	29.4
1987	29	29.4
1988	26	29.4
1989	31	29.4
1990	49	33.1
1991	26	33.1
1992	35	33.1
1993	37	33.1
1994	30	33.1
1995	29	33.1
1996	38	33.1
1997	33	33.1
1998	29	33.1
1999	25	33.1
2000	30	28.3
2001	31	28.3
2002	29	28.3
2004	26	28.3
2005	32	28.3
2006	27	28.3
2007	28	28.3
2008	27	28.3
2009	25	28.3
2010	28	28
2020	33	26.4
2022	23	26.4
2024	26	26.4
2025	23	26.4
2026	27	26.4

For each year, a bar from the first to the last day at St Marys 3 W meeting 10 mm (0.39 in).

First to last qualifying date each year at St Marys 3 W
Year	First date	Last date
1938	1938-02-11	1938-12-26
1939	1939-01-30	1939-10-27
1940	1940-01-13	1940-12-29
1941	1941-01-02	1941-12-24
1942	1942-01-01	1942-12-26
1943	1943-01-03	1943-10-15
1944	1944-02-22	1944-12-07
1945	1945-03-02	1945-12-25
1946	1946-02-13	1946-12-20
1947	1947-01-02	1947-12-15
1948	1948-01-01	1948-12-29
1949	1949-01-04	1949-12-22
1951	1951-01-03	1951-12-25
1952	1952-01-17	1952-12-10
1953	1953-01-03	1953-12-06
1954	1954-01-20	1954-12-28
1955	1955-01-06	1955-11-16
1956	1956-02-17	1956-12-21
1957	1957-01-23	1957-12-26
1958	1958-01-22	1958-11-26
1959	1959-01-01	1959-12-12
1960	1960-01-12	1960-11-16
1961	1961-02-18	1961-11-16
1962	1962-01-15	1962-11-17
1963	1963-03-04	1963-11-01
1964	1964-01-25	1964-12-25
1965	1965-01-02	1965-12-13
1966	1966-01-01	1966-12-10
1967	1967-01-27	1967-12-22
1968	1968-01-15	1968-12-28
1969	1969-01-18	1969-12-08
1970	1970-01-29	1970-12-22
1971	1971-01-04	1971-12-30
1972	1972-03-02	1972-12-31
1973	1973-03-10	1973-12-27
1974	1974-01-19	1974-12-24
1975	1975-01-29	1975-12-30
1976	1976-01-14	1976-10-31
1977	1977-02-27	1977-12-18
1978	1978-02-14	1978-12-31
1979	1979-01-01	1979-12-24
1980	1980-02-22	1980-11-27
1981	1981-02-11	1981-12-23
1982	1982-01-04	1982-12-27
1983	1983-02-02	1983-12-04
1984	1984-02-25	1984-12-30
1985	1985-01-01	1985-12-12
1986	1986-01-19	1986-12-02
1987	1987-01-20	1987-12-20
1988	1988-02-02	1988-12-28
1989	1989-01-06	1989-12-31
1990	1990-01-20	1990-12-31
1991	1991-01-11	1991-12-03
1992	1992-01-03	1992-11-22
1993	1993-01-04	1993-12-06
1994	1994-01-26	1994-12-17
1995	1995-01-07	1995-12-25
1996	1996-01-03	1996-12-24
1997	1997-01-16	1997-12-26
1998	1998-01-07	1998-11-12
1999	1999-01-04	1999-12-14
2000	2000-01-04	2000-12-30
2001	2001-02-05	2001-12-28
2002	2002-01-30	2002-12-26
2004	2004-01-04	2004-12-23
2005	2005-01-03	2005-12-29
2006	2006-01-18	2006-12-01
2007	2007-01-02	2007-12-17
2008	2008-01-09	2008-12-29
2009	2009-01-28	2009-12-28
2010	2010-01-25	2010-11-30
2020	2020-01-10	2020-10-30
2022	2022-02-17	2022-11-27
2024	2024-01-09	2024-12-31
2025	2025-01-01	2025-12-19
2026	2026-02-20	2026-10-02

Every Fixed Threshold

Fixed thresholds at St Marys 3 W
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	76	49	1990	27
25 mm (0.98 in): Days with 25 mm or more rain	76	15	1957	7
50 mm (1.97 in): Days with 50 mm or more rain	42	4	1957	1
100 mm (3.94 in): Days with 100 mm or more rain	6	1	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	9	5	1951	4

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

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Data for St Marys 3 W 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

St Marys 3 W Threshold Days by Year (USC00337383)

Key Facts for St Marys 3 W Thresholds

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

Every Fixed Threshold

Download the Data

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