High Brg Lock 7 Threshold Days by Year (USC00153837)

5 fixed thresholds counted per year at High Brg Lock 7 (USC00153837): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for High Brg Lock 7 Thresholds

High Brg Lock 7: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1950 with 53.
High Brg Lock 7: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 1950 with 19.
High Brg Lock 7: days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1919 with 5.
High Brg Lock 7: days with 10 cm (3.9 in) or more of snowfall in 7 years, most in 1979 with 3.
5 fixed thresholds have at least one qualifying day at High Brg Lock 7.

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

83 years with a qualifying day

Days per year at High Brg Lock 7 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1950.

Days with 10 mm (0.39 in) or more of precipitation per year at High Brg Lock 7
Year	Days	Decade average
1903	28	36.3
1904	20	36.3
1906	39	36.3
1907	45	36.3
1908	35	36.3
1909	51	36.3
1910	50	41.4
1912	42	41.4
1913	38	41.4
1914	34	41.4
1915	44	41.4
1916	41	41.4
1917	40	41.4
1918	38	41.4
1919	46	41.4
1920	44	41.7
1921	43	41.7
1922	36	41.7
1923	46	41.7
1924	44	41.7
1925	35	41.7
1926	52	41.7
1927	48	41.7
1928	34	41.7
1929	35	41.7
1930	25	36.1
1931	34	36.1
1932	48	36.1
1933	40	36.1
1934	28	36.1
1935	46	36.1
1936	32	36.1
1937	36	36.1
1938	39	36.1
1939	33	36.1
1940	33	38.5
1941	27	38.5
1942	49	38.5
1943	31	38.5
1944	38	38.5
1945	49	38.5
1946	43	38.5
1947	40	38.5
1948	39	38.5
1949	36	38.5
1950	53	40.1
1951	46	40.1
1952	34	40.1
1953	37	40.1
1954	29	40.1
1955	42	40.1
1956	40	40.1
1957	46	40.1
1958	39	40.1
1959	35	40.1
1960	36	37.4
1961	42	37.4
1962	47	37.4
1963	30	37.4
1964	40	37.4
1965	32	37.4
1966	39	37.4
1967	40	37.4
1968	37	37.4
1969	31	37.4
1970	44	40.3
1971	29	40.3
1972	46	40.3
1973	42	40.3
1974	45	40.3
1975	48	40.3
1976	27	40.3
1979	41	40.3
1980	36	36.3
1981	36	36.3
1982	37	36.3
1983	37	36.3
1987	36	36.3
1988	36	36.3
1990	47	39.8
1991	39	39.8
1992	29	39.8
1995	44	39.8

For each year, a bar from the first to the last day at High Brg Lock 7 meeting 10 mm (0.39 in).

First to last qualifying date each year at High Brg Lock 7
Year	First date	Last date
1903	1903-01-02	1903-12-24
1904	1904-01-22	1904-12-27
1906	1906-01-03	1906-12-30
1907	1907-01-03	1907-12-23
1908	1908-01-12	1908-12-31
1909	1909-01-06	1909-12-29
1910	1910-01-06	1910-12-30
1912	1912-01-07	1912-12-30
1913	1913-01-07	1913-12-26
1914	1914-01-25	1914-12-29
1915	1915-01-12	1915-12-29
1916	1916-01-02	1916-12-28
1917	1917-01-03	1917-12-25
1918	1918-01-12	1918-12-31
1919	1919-01-01	1919-12-14
1920	1920-01-08	1920-12-27
1921	1921-01-08	1921-12-24
1922	1922-01-05	1922-12-28
1923	1923-01-08	1923-12-31
1924	1924-01-03	1924-12-24
1925	1925-01-20	1925-11-27
1926	1926-01-09	1926-12-29
1927	1927-01-19	1927-12-15
1928	1928-01-19	1928-12-18
1929	1929-01-10	1929-12-28
1930	1930-01-08	1930-12-26
1931	1931-02-08	1931-12-24
1932	1932-01-06	1932-12-31
1933	1933-01-18	1933-12-20
1934	1934-01-07	1934-12-26
1935	1935-01-01	1935-12-08
1936	1936-01-02	1936-12-31
1937	1937-01-02	1937-12-18
1938	1938-01-01	1938-12-27
1939	1939-01-05	1939-12-24
1940	1940-02-06	1940-12-29
1941	1941-01-02	1941-12-13
1942	1942-01-01	1942-12-30
1943	1943-01-26	1943-12-26
1944	1944-01-03	1944-12-28
1945	1945-01-01	1945-12-25
1946	1946-01-07	1946-12-29
1947	1947-01-01	1947-12-16
1948	1948-01-01	1948-12-16
1949	1949-01-05	1949-12-27
1950	1950-01-03	1950-12-07
1951	1951-01-03	1951-12-26
1952	1952-01-02	1952-12-10
1953	1953-01-08	1953-12-14
1954	1954-01-10	1954-12-30
1955	1955-01-05	1955-12-04
1956	1956-01-29	1956-12-21
1957	1957-01-09	1957-12-26
1958	1958-01-14	1958-12-24
1959	1959-01-01	1959-12-28
1960	1960-01-03	1960-12-30
1961	1961-01-01	1961-12-18
1962	1962-01-06	1962-12-30
1963	1963-01-11	1963-11-29
1964	1964-01-01	1964-12-26
1965	1965-01-09	1965-11-27
1966	1966-01-01	1966-12-28
1967	1967-01-27	1967-12-22
1968	1968-01-01	1968-12-28
1969	1969-01-29	1969-12-31
1970	1970-02-02	1970-12-22
1971	1971-01-04	1971-12-31
1972	1972-01-04	1972-12-31
1973	1973-01-04	1973-12-27
1974	1974-01-03	1974-12-25
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-07
1979	1979-01-20	1979-12-13
1980	1980-01-04	1980-12-09
1981	1981-02-02	1981-12-23
1982	1982-01-04	1982-12-26
1983	1983-01-21	1983-12-28
1987	1987-02-13	1987-12-29
1988	1988-01-01	1988-12-28
1990	1990-01-20	1990-12-31
1991	1991-01-07	1991-12-29
1992	1992-01-03	1992-12-20
1995	1995-01-07	1995-12-31

Every Fixed Threshold

Fixed thresholds at High Brg Lock 7
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	83	53	1950	44
25 mm (0.98 in): Days with 25 mm or more rain	83	19	1950	15
50 mm (1.97 in): Days with 50 mm or more rain	68	5	1919	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1919	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	3	1979	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for High Brg Lock 7 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).

High Brg Lock 7 Threshold Days by Year (USC00153837)

Key Facts for High Brg Lock 7 Thresholds

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

Every Fixed Threshold

Download the Data

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