Murray Lock Number 9 Threshold Days by Year

3 fixed thresholds counted per year at Murray Lock Number 9 (ASN00076037): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Murray Lock Number 9 Thresholds

Murray Lock Number 9: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1973 with 18.
Murray Lock Number 9: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 2011 with 6.
Murray Lock Number 9: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1950 with 2.
3 fixed thresholds have at least one qualifying day at Murray Lock Number 9.

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

87 years with a qualifying day

Days per year at Murray Lock Number 9 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Murray Lock Number 9
Year	Days	Decade average
1937	7	5
1938	2	5
1939	6	5
1940	1	7.1
1941	12	7.1
1942	8	7.1
1943	1	7.1
1944	3	7.1
1945	6	7.1
1946	10	7.1
1947	12	7.1
1948	10	7.1
1949	8	7.1
1950	10	7.4
1951	6	7.4
1952	6	7.4
1953	11	7.4
1954	7	7.4
1955	9	7.4
1956	10	7.4
1957	3	7.4
1958	8	7.4
1959	4	7.4
1960	9	7.5
1961	9	7.5
1962	10	7.5
1963	5	7.5
1964	9	7.5
1965	8	7.5
1966	9	7.5
1967	3	7.5
1968	6	7.5
1969	7	7.5
1970	8	9.5
1971	8	9.5
1972	1	9.5
1973	18	9.5
1974	17	9.5
1975	11	9.5
1976	9	9.5
1977	7	9.5
1978	6	9.5
1979	10	9.5
1980	10	8.6
1981	9	8.6
1982	1	8.6
1983	11	8.6
1984	8	8.6
1985	6	8.6
1986	12	8.6
1987	9	8.6
1988	12	8.6
1989	8	8.6
1990	4	7.4
1991	8	7.4
1992	11	7.4
1993	15	7.4
1994	5	7.4
1995	7	7.4
1996	3	7.4
1997	8	7.4
1998	5	7.4
1999	8	7.4
2000	11	5.5
2001	4	5.5
2002	4	5.5
2003	4	5.5
2004	4	5.5
2005	11	5.5
2006	3	5.5
2007	5	5.5
2008	5	5.5
2009	4	5.5
2010	16	7.9
2011	11	7.9
2012	5	7.9
2013	7	7.9
2014	7	7.9
2017	8	7.9
2018	1	7.9
2020	6	7.9
2021	5	7.9
2022	17	7.9
2023	8	7.9
2024	7	7.9
2025	3	7.9
2026	9	7.9

For each year, a bar from the first to the last day at Murray Lock Number 9 meeting 10 mm (0.39 in).

First to last qualifying date each year at Murray Lock Number 9
Year	First date	Last date
1937	1937-01-19	1937-12-28
1938	1938-07-21	1938-07-24
1939	1939-02-26	1939-11-16
1940	1940-03-31	1940-03-31
1941	1941-01-04	1941-11-05
1942	1942-04-27	1942-10-30
1943	1943-02-18	1943-02-18
1944	1944-01-23	1944-12-12
1945	1945-05-04	1945-12-27
1946	1946-01-17	1946-12-26
1947	1947-02-15	1947-12-23
1948	1948-04-11	1948-12-26
1949	1949-02-28	1949-10-09
1950	1950-02-02	1950-11-20
1951	1951-04-17	1951-06-23
1952	1952-01-25	1952-10-22
1953	1953-01-31	1953-12-07
1954	1954-01-31	1954-12-12
1955	1955-01-28	1955-09-23
1956	1956-03-05	1956-10-15
1957	1957-06-20	1957-12-29
1958	1958-04-15	1958-11-24
1959	1959-01-26	1959-10-04
1960	1960-01-09	1960-11-21
1961	1961-02-09	1961-12-14
1962	1962-01-17	1962-12-29
1963	1963-01-14	1963-10-27
1964	1964-01-09	1964-12-23
1965	1965-05-31	1965-10-18
1966	1966-01-13	1966-12-01
1967	1967-02-24	1967-09-15
1968	1968-01-21	1968-12-24
1969	1969-02-09	1969-05-21
1970	1970-01-01	1970-11-15
1971	1971-02-23	1971-12-10
1972	1972-10-16	1972-10-16
1973	1973-01-31	1973-12-30
1974	1974-01-15	1974-10-05
1975	1975-07-13	1975-12-14
1976	1976-04-14	1976-11-02
1977	1977-02-21	1977-11-29
1978	1978-01-24	1978-12-25
1979	1979-01-20	1979-11-20
1980	1980-04-18	1980-12-14
1981	1981-05-27	1981-11-28
1982	1982-03-09	1982-03-09
1983	1983-03-02	1983-12-31
1984	1984-01-01	1984-11-02
1985	1985-05-29	1985-10-24
1986	1986-02-18	1986-12-17
1987	1987-03-01	1987-12-28
1988	1988-03-31	1988-12-06
1989	1989-03-14	1989-11-06
1990	1990-04-21	1990-08-29
1991	1991-01-05	1991-11-04
1992	1992-05-12	1992-12-25
1993	1993-01-03	1993-12-22
1994	1994-02-11	1994-11-02
1995	1995-02-05	1995-10-22
1996	1996-01-01	1996-09-30
1997	1997-01-15	1997-10-31
1998	1998-02-08	1998-11-12
1999	1999-02-12	1999-12-26
2000	2000-02-21	2000-12-23
2001	2001-06-07	2001-10-14
2002	2002-04-14	2002-12-31
2003	2003-02-20	2003-08-24
2004	2004-08-30	2004-11-12
2005	2005-01-28	2005-11-07
2006	2006-03-28	2006-07-15
2007	2007-01-21	2007-11-21
2008	2008-01-19	2008-12-13
2009	2009-04-28	2009-12-09
2010	2010-02-22	2010-12-09
2011	2011-01-11	2011-12-18
2012	2012-01-08	2012-07-13
2013	2013-02-28	2013-12-23
2014	2014-02-13	2014-12-11
2017	2017-01-20	2017-12-02
2018	2018-12-14	2018-12-14
2020	2020-03-05	2020-10-24
2021	2021-01-26	2021-11-12
2022	2022-01-27	2022-11-20
2023	2023-04-16	2023-12-26
2024	2024-01-07	2024-11-26
2025	2025-03-21	2025-11-29
2026	2026-02-25	2026-08-10

Every Fixed Threshold

Fixed thresholds at Murray Lock Number 9
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	87	18	1973	9
25 mm (0.98 in): Days with 25 mm or more rain	60	6	2011	3
50 mm (1.97 in): Days with 50 mm or more rain	11	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

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Data for Murray Lock Number 9 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Murray Lock Number 9 Threshold Days by Year

Key Facts for Murray Lock Number 9 Thresholds

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

Every Fixed Threshold

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