Frederick 3 E Threshold Days by Year (USC00183355)

6 fixed thresholds counted per year at Frederick 3 E (USC00183355): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Frederick 3 E Thresholds

Frederick 3 E: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1973 with 47.
Frederick 3 E: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1983 with 17.
Frederick 3 E: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 1966 with 7.
Frederick 3 E: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1952 with 6.
6 fixed thresholds have at least one qualifying day at Frederick 3 E.

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

40 years with a qualifying day

Days per year at Frederick 3 E with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Frederick 3 E
Year	Days	Decade average
1949	37	37
1950	36	35.8
1951	34	35.8
1952	44	35.8
1953	40	35.8
1954	31	35.8
1955	32	35.8
1956	36	35.8
1957	34	35.8
1958	41	35.8
1959	30	35.8
1960	39	32.5
1961	45	32.5
1962	34	32.5
1963	32	32.5
1964	29	32.5
1965	25	32.5
1966	34	32.5
1967	27	32.5
1968	30	32.5
1969	30	32.5
1970	39	40.2
1971	37	40.2
1972	42	40.2
1973	47	40.2
1974	37	40.2
1975	45	40.2
1976	37	40.2
1977	34	40.2
1979	44	40.2
1980	25	35.5
1981	35	35.5
1982	37	35.5
1983	47	35.5
1984	43	35.5
1985	37	35.5
1986	34	35.5
1987	34	35.5
1988	28	35.5
1989	35	35.5

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

First to last qualifying date each year at Frederick 3 E
Year	First date	Last date
1949	1949-01-05	1949-12-27
1950	1950-01-31	1950-12-29
1951	1951-01-15	1951-12-21
1952	1952-01-05	1952-12-11
1953	1953-01-01	1953-12-14
1954	1954-01-11	1954-12-30
1955	1955-02-07	1955-11-19
1956	1956-01-10	1956-12-24
1957	1957-01-10	1957-12-27
1958	1958-01-15	1958-12-04
1959	1959-01-02	1959-12-29
1960	1960-01-03	1960-12-12
1961	1961-01-15	1961-12-24
1962	1962-01-06	1962-12-30
1963	1963-01-12	1963-12-24
1964	1964-01-10	1964-12-28
1965	1965-01-08	1965-12-26
1966	1966-01-03	1966-12-29
1967	1967-01-28	1967-12-29
1968	1968-01-01	1968-12-23
1969	1969-02-09	1969-12-31
1970	1970-02-10	1970-12-22
1971	1971-01-01	1971-12-07
1972	1972-01-02	1972-12-23
1973	1973-01-04	1973-12-27
1974	1974-01-04	1974-12-16
1975	1975-01-01	1975-12-26
1976	1976-01-01	1976-11-29
1977	1977-03-04	1977-12-19
1979	1979-01-02	1979-12-25
1980	1980-01-15	1980-11-25
1981	1981-02-02	1981-12-16
1982	1982-01-01	1982-12-16
1983	1983-01-10	1983-12-29
1984	1984-01-11	1984-12-22
1985	1985-01-30	1985-12-06
1986	1986-01-20	1986-12-25
1987	1987-01-02	1987-12-15
1988	1988-01-20	1988-12-23
1989	1989-01-12	1989-11-16

Every Fixed Threshold

Fixed thresholds at Frederick 3 E
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	40	47	1973	35
25 mm (0.98 in): Days with 25 mm or more rain	40	17	1983	8
50 mm (1.97 in): Days with 50 mm or more rain	29	6	1952	3
100 mm (3.94 in): Days with 100 mm or more rain	7	1	1952	1
10 cm (3.9 in): Days with 10 cm or more snowfall	31	7	1966	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1961	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Frederick 3 E 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).

Frederick 3 E Threshold Days by Year (USC00183355)

Key Facts for Frederick 3 E Thresholds

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

Every Fixed Threshold

Download the Data

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