Randolph 5 NNE Threshold Days by Year (USC00447025)

8 fixed thresholds counted per year at Randolph 5 NNE (USC00447025): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Randolph 5 NNE Thresholds

Randolph 5 NNE: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1944 with 51.
Randolph 5 NNE: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1975 with 19.
Randolph 5 NNE: days with 50 mm (1.97 in) or more of precipitation in 53 years, most in 1971 with 8.
Randolph 5 NNE: days with 10 cm (3.9 in) or more of snowfall in 17 years, most in 1966 with 4.
8 fixed thresholds have at least one qualifying day at Randolph 5 NNE.

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

70 years with a qualifying day

Days per year at Randolph 5 NNE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1944.

Days with 10 mm (0.39 in) or more of precipitation per year at Randolph 5 NNE
Year	Days	Decade average
1905	36	31
1906	35	31
1907	19	31
1909	34	31
1913	39	37.5
1914	34	37.5
1915	37	37.5
1917	37	37.5
1918	37	37.5
1919	41	37.5
1920	37	38.7
1921	31	38.7
1922	46	38.7
1923	39	38.7
1924	47	38.7
1925	35	38.7
1926	34	38.7
1928	36	38.7
1929	43	38.7
1930	25	39.1
1931	35	39.1
1932	40	39.1
1933	40	39.1
1934	41	39.1
1935	41	39.1
1936	41	39.1
1937	47	39.1
1938	39	39.1
1939	42	39.1
1940	29	38.8
1941	29	38.8
1942	47	38.8
1943	30	38.8
1944	51	38.8
1945	43	38.8
1946	42	38.8
1947	38	38.8
1948	46	38.8
1949	33	38.8
1950	39	38
1951	35	38
1952	44	38
1953	37	38
1954	34	38
1955	39	38
1956	29	38
1957	42	38
1958	42	38
1959	39	38
1960	38	34.8
1961	43	34.8
1962	46	34.8
1963	22	34.8
1964	39	34.8
1965	26	34.8
1966	37	34.8
1967	30	34.8
1969	32	34.8
1970	36	39.6
1971	38	39.6
1973	42	39.6
1974	38	39.6
1975	48	39.6
1976	35	39.6
1977	31	39.6
1978	45	39.6
1979	43	39.6
1980	34	37.7
1981	37	37.7
1982	42	37.7

For each year, a bar from the first to the last day at Randolph 5 NNE meeting 10 mm (0.39 in).

First to last qualifying date each year at Randolph 5 NNE
Year	First date	Last date
1905	1905-01-07	1905-12-29
1906	1906-01-04	1906-12-18
1907	1907-03-10	1907-12-30
1909	1909-01-17	1909-12-14
1913	1913-01-24	1913-12-26
1914	1914-01-03	1914-12-30
1915	1915-01-07	1915-12-29
1917	1917-01-06	1917-12-12
1918	1918-01-12	1918-12-25
1919	1919-01-01	1919-12-08
1920	1920-01-17	1920-12-13
1921	1921-01-10	1921-12-25
1922	1922-01-11	1922-12-28
1923	1923-01-01	1923-12-23
1924	1924-01-01	1924-12-31
1925	1925-01-01	1925-12-23
1926	1926-01-04	1926-12-29
1928	1928-01-09	1928-12-15
1929	1929-02-07	1929-12-23
1930	1930-01-14	1930-12-27
1931	1931-01-06	1931-12-22
1932	1932-01-01	1932-12-29
1933	1933-01-01	1933-12-26
1934	1934-01-13	1934-12-26
1935	1935-01-01	1935-12-14
1936	1936-01-03	1936-12-31
1937	1937-01-01	1937-12-28
1938	1938-01-02	1938-12-27
1939	1939-01-14	1939-12-27
1940	1940-01-08	1940-12-26
1941	1941-01-16	1941-12-14
1942	1942-01-04	1942-12-30
1943	1943-01-19	1943-12-27
1944	1944-01-03	1944-12-28
1945	1945-01-02	1945-12-31
1946	1946-01-08	1946-12-30
1947	1947-01-01	1947-12-16
1948	1948-01-13	1948-12-31
1949	1949-01-06	1949-12-14
1950	1950-01-13	1950-12-11
1951	1951-01-08	1951-12-21
1952	1952-01-07	1952-12-31
1953	1953-01-09	1953-12-13
1954	1954-01-11	1954-12-14
1955	1955-01-19	1955-11-19
1956	1956-02-04	1956-12-23
1957	1957-01-30	1957-12-26
1958	1958-01-14	1958-12-29
1959	1959-01-02	1959-12-29
1960	1960-01-03	1960-12-30
1961	1961-01-01	1961-12-24
1962	1962-01-02	1962-12-30
1963	1963-01-20	1963-12-24
1964	1964-01-01	1964-12-28
1965	1965-01-17	1965-11-11
1966	1966-01-06	1966-12-29
1967	1967-01-05	1967-12-29
1969	1969-01-21	1969-12-26
1970	1970-01-30	1970-12-22
1971	1971-01-01	1971-11-25
1973	1973-01-04	1973-12-21
1974	1974-01-01	1974-12-16
1975	1975-01-07	1975-12-31
1976	1976-01-01	1976-12-16
1977	1977-01-07	1977-12-18
1978	1978-01-08	1978-12-25
1979	1979-01-02	1979-12-14
1980	1980-01-05	1980-11-25
1981	1981-01-22	1981-12-26
1982	1982-01-01	1982-12-16

Every Fixed Threshold

Fixed thresholds at Randolph 5 NNE
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	70	51	1944	42
25 mm (0.98 in): Days with 25 mm or more rain	70	19	1975	13
50 mm (1.97 in): Days with 50 mm or more rain	53	8	1971	1
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1945	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	17	4	1966	3
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1930	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1940	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Randolph 5 NNE 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).

Randolph 5 NNE Threshold Days by Year (USC00447025)

Key Facts for Randolph 5 NNE Thresholds

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

Every Fixed Threshold

Download the Data

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