Lock (Terre) Threshold Days by Year (ASN00018081)

3 fixed thresholds counted per year at Lock (Terre) (ASN00018081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lock (Terre) Thresholds

Lock (Terre): days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1992 with 20.
Lock (Terre): days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1956 with 5.
Lock (Terre): days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1917 with 3.
3 fixed thresholds have at least one qualifying day at Lock (Terre).

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

90 years with a qualifying day

Days per year at Lock (Terre) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1992.

Days with 10 mm (0.39 in) or more of precipitation per year at Lock (Terre)
Year	Days	Decade average
1908	9	11.5
1909	14	11.5
1910	9	7.7
1911	6	7.7
1912	8	7.7
1913	4	7.7
1914	7	7.7
1915	4	7.7
1916	13	7.7
1917	17	7.7
1918	6	7.7
1919	3	7.7
1920	14	9
1921	9	9
1922	8	9
1923	14	9
1924	7	9
1925	6	9
1926	13	9
1927	8	9
1928	6	9
1929	5	9
1930	4	7.2
1931	9	7.2
1932	8	7.2
1933	7	7.2
1934	8	7.2
1935	10	7.2
1936	7	7.2
1937	5	7.2
1938	10	7.2
1939	4	7.2
1940	5	8.1
1941	6	8.1
1942	15	8.1
1943	6	8.1
1944	7	8.1
1945	9	8.1
1946	12	8.1
1947	8	8.1
1948	6	8.1
1949	7	8.1
1950	10	9.8
1951	15	9.8
1952	11	9.8
1953	9	9.8
1954	6	9.8
1955	9	9.8
1956	15	9.8
1957	6	9.8
1958	13	9.8
1959	4	9.8
1960	10	8
1961	6	8
1962	9	8
1963	12	8
1964	12	8
1965	5	8
1966	8	8
1967	4	8
1968	7	8
1969	7	8
1970	6	8.8
1971	17	8.8
1972	4	8.8
1973	10	8.8
1974	15	8.8
1975	3	8.8
1976	3	8.8
1977	7	8.8
1978	11	8.8
1979	12	8.8
1980	6	7.8
1981	12	7.8
1982	6	7.8
1984	5	7.8
1985	6	7.8
1986	6	7.8
1987	10	7.8
1988	6	7.8
1989	13	7.8
1990	10	10.6
1991	11	10.6
1992	20	10.6
1993	12	10.6
1994	4	10.6
1995	13	10.6
1998	5	10.6
1999	10	10.6
2000	11	11

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

First to last qualifying date each year at Lock (Terre)
Year	First date	Last date
1908	1908-03-03	1908-09-20
1909	1909-02-24	1909-08-19
1910	1910-05-25	1910-12-09
1911	1911-02-06	1911-12-01
1912	1912-03-09	1912-11-02
1913	1913-03-25	1913-12-22
1914	1914-03-12	1914-12-15
1915	1915-07-08	1915-08-31
1916	1916-01-04	1916-10-22
1917	1917-02-21	1917-12-11
1918	1918-01-08	1918-11-30
1919	1919-02-15	1919-09-07
1920	1920-05-09	1920-11-27
1921	1921-03-01	1921-11-25
1922	1922-01-06	1922-12-09
1923	1923-04-05	1923-12-14
1924	1924-03-06	1924-10-30
1925	1925-01-13	1925-08-30
1926	1926-04-24	1926-12-05
1927	1927-02-24	1927-11-01
1928	1928-02-12	1928-10-14
1929	1929-06-21	1929-11-16
1930	1930-02-21	1930-09-16
1931	1931-05-14	1931-11-16
1932	1932-02-05	1932-09-29
1933	1933-05-14	1933-11-28
1934	1934-02-16	1934-11-08
1935	1935-03-21	1935-12-24
1936	1936-01-09	1936-11-14
1937	1937-07-23	1937-11-29
1938	1938-02-19	1938-12-27
1939	1939-07-11	1939-11-03
1940	1940-01-05	1940-11-09
1941	1941-01-24	1941-11-18
1942	1942-04-26	1942-11-21
1943	1943-02-17	1943-10-09
1944	1944-02-05	1944-10-01
1945	1945-05-07	1945-12-16
1946	1946-01-17	1946-12-24
1947	1947-02-06	1947-10-19
1948	1948-04-07	1948-12-26
1949	1949-05-02	1949-11-20
1950	1950-05-20	1950-12-19
1951	1951-03-06	1951-12-09
1952	1952-04-22	1952-12-25
1953	1953-02-04	1953-12-22
1954	1954-01-27	1954-12-12
1955	1955-02-08	1955-08-25
1956	1956-04-15	1956-11-15
1957	1957-06-19	1957-07-29
1958	1958-03-06	1958-12-15
1959	1959-07-22	1959-11-29
1960	1960-01-17	1960-11-12
1961	1961-02-08	1961-08-16
1962	1962-03-27	1962-12-29
1963	1963-01-13	1963-08-28
1964	1964-04-07	1964-11-18
1965	1965-05-08	1965-08-17
1966	1966-03-15	1966-12-03
1967	1967-05-26	1967-09-17
1968	1968-03-27	1968-10-01
1969	1969-02-08	1969-07-04
1970	1970-05-16	1970-11-14
1971	1971-03-14	1971-12-10
1972	1972-01-08	1972-08-10
1973	1973-03-18	1973-10-20
1974	1974-01-29	1974-10-24
1975	1975-05-07	1975-09-30
1976	1976-02-07	1976-10-13
1977	1977-01-15	1977-10-31
1978	1978-06-12	1978-12-04
1979	1979-04-17	1979-11-15
1980	1980-04-18	1980-11-05
1981	1981-03-01	1981-11-09
1982	1982-01-07	1982-09-26
1984	1984-07-10	1984-09-16
1985	1985-04-14	1985-11-24
1986	1986-06-17	1986-11-17
1987	1987-02-19	1987-12-01
1988	1988-01-14	1988-11-14
1989	1989-03-10	1989-12-01
1990	1990-01-03	1990-12-06
1991	1991-01-05	1991-11-03
1992	1992-03-01	1992-12-19
1993	1993-01-24	1993-12-14
1994	1994-06-11	1994-07-30
1995	1995-01-14	1995-09-24
1998	1998-04-12	1998-07-28
1999	1999-03-21	1999-10-30
2000	2000-01-25	2000-10-19

Every Fixed Threshold

Fixed thresholds at Lock (Terre)
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	90	20	1992	11
25 mm (0.98 in): Days with 25 mm or more rain	47	5	1956	2
50 mm (1.97 in): Days with 50 mm or more rain	8	3	1917	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Lock (Terre) 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).

Lock (Terre) Threshold Days by Year (ASN00018081)

Key Facts for Lock (Terre) Thresholds

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

Every Fixed Threshold

Download the Data

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