Fairmount Threshold Days by Year (USC00093295)

5 fixed thresholds counted per year at Fairmount (USC00093295): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fairmount Thresholds

Fairmount: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1989 with 61.
Fairmount: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1967 with 23.
Fairmount: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1964 with 8.
Fairmount: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1964 with 2.
5 fixed thresholds have at least one qualifying day at Fairmount.

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

59 years with a qualifying day

Days per year at Fairmount with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 61 in 1989.

Days with 10 mm (0.39 in) or more of precipitation per year at Fairmount
Year	Days	Decade average
1938	40	43.5
1939	47	43.5
1940	40	44.3
1941	39	44.3
1943	36	44.3
1944	43	44.3
1945	54	44.3
1947	45	44.3
1948	51	44.3
1949	46	44.3
1950	38	42.5
1951	42	42.5
1952	43	42.5
1953	36	42.5
1954	42	42.5
1955	45	42.5
1956	47	42.5
1957	48	42.5
1958	44	42.5
1959	40	42.5
1960	35	42.2
1961	42	42.2
1962	45	42.2
1963	37	42.2
1964	46	42.2
1965	37	42.2
1966	40	42.2
1967	53	42.2
1968	43	42.2
1969	44	42.2
1970	40	48.3
1971	56	48.3
1972	48	48.3
1973	51	48.3
1974	48	48.3
1975	58	48.3
1976	41	48.3
1977	46	48.3
1978	39	48.3
1979	56	48.3
1980	43	43.9
1981	39	43.9
1982	54	43.9
1984	42	43.9
1985	47	43.9
1986	39	43.9
1987	35	43.9
1988	35	43.9
1989	61	43.9
1990	43	41.6
1991	42	41.6
1993	36	41.6
1994	49	41.6
1995	41	41.6
1996	41	41.6
1997	43	41.6
1998	46	41.6
1999	33	41.6
2000	29	29

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

First to last qualifying date each year at Fairmount
Year	First date	Last date
1938	1938-01-02	1938-12-27
1939	1939-01-05	1939-12-27
1940	1940-01-07	1940-12-29
1941	1941-01-02	1941-12-26
1943	1943-01-08	1943-12-29
1944	1944-01-03	1944-12-29
1945	1945-01-01	1945-12-31
1947	1947-01-01	1947-12-16
1948	1948-01-02	1948-12-30
1949	1949-01-04	1949-12-27
1950	1950-01-07	1950-12-29
1951	1951-01-04	1951-12-26
1952	1952-01-05	1952-12-10
1953	1953-01-02	1953-12-29
1954	1954-01-15	1954-12-29
1955	1955-01-01	1955-12-19
1956	1956-01-19	1956-12-24
1957	1957-01-05	1957-12-26
1958	1958-01-14	1958-12-28
1959	1959-01-16	1959-12-19
1960	1960-01-03	1960-12-21
1961	1961-01-01	1961-12-28
1962	1962-01-01	1962-12-29
1963	1963-01-12	1963-12-23
1964	1964-01-01	1964-12-25
1965	1965-01-03	1965-11-22
1966	1966-01-03	1966-12-29
1967	1967-01-01	1967-12-28
1968	1968-01-04	1968-12-28
1969	1969-01-19	1969-12-31
1970	1970-01-06	1970-12-24
1971	1971-01-05	1971-12-31
1972	1972-01-02	1972-12-31
1973	1973-01-06	1973-12-30
1974	1974-01-01	1974-12-29
1975	1975-01-04	1975-12-31
1976	1976-01-08	1976-12-26
1977	1977-01-04	1977-12-25
1978	1978-01-08	1978-12-31
1979	1979-01-02	1979-12-30
1980	1980-01-08	1980-12-10
1981	1981-01-07	1981-12-31
1982	1982-01-01	1982-12-29
1984	1984-01-10	1984-12-06
1985	1985-01-02	1985-12-13
1986	1986-01-01	1986-12-24
1987	1987-01-15	1987-12-28
1988	1988-01-02	1988-12-31
1989	1989-01-03	1989-12-31
1990	1990-01-04	1990-12-31
1991	1991-01-11	1991-12-29
1993	1993-01-05	1993-12-29
1994	1994-01-04	1994-12-11
1995	1995-01-07	1995-12-19
1996	1996-01-03	1996-12-27
1997	1997-01-09	1997-12-27
1998	1998-01-07	1998-12-29
1999	1999-01-07	1999-12-31
2000	2000-01-05	2000-12-17

Every Fixed Threshold

Fixed thresholds at Fairmount
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	59	61	1989	29
25 mm (0.98 in): Days with 25 mm or more rain	59	23	1967	10
50 mm (1.97 in): Days with 50 mm or more rain	54	8	1964	2
100 mm (3.94 in): Days with 100 mm or more rain	11	2	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	2	1987	1

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

Download the Data

Data for Fairmount 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).

Fairmount Threshold Days by Year (USC00093295)

Key Facts for Fairmount Thresholds

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

Every Fixed Threshold

Download the Data

Related