Frankfort Lock 19 Threshold Days by Year (USC00303010)

7 fixed thresholds counted per year at Frankfort Lock 19 (USC00303010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Frankfort Lock 19 Thresholds

Frankfort Lock 19: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1972 with 45.
Frankfort Lock 19: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1976 with 16.
Frankfort Lock 19: days with 10 cm (3.9 in) or more of snowfall in 36 years, most in 1972 with 9.
Frankfort Lock 19: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1932 with 3.
7 fixed thresholds have at least one qualifying day at Frankfort Lock 19.

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

55 years with a qualifying day

Days per year at Frankfort Lock 19 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1972.

Days with 10 mm (0.39 in) or more of precipitation per year at Frankfort Lock 19
Year	Days	Decade average
1932	35	32.3
1933	27	32.3
1934	24	32.3
1935	44	32.3
1936	33	32.3
1937	35	32.3
1938	29	32.3
1939	31	32.3
1940	35	34.8
1941	26	34.8
1942	38	34.8
1943	37	34.8
1944	38	34.8
1945	34	34.8
1946	31	34.8
1947	33	34.8
1948	41	34.8
1949	35	34.8
1950	39	31.9
1951	40	31.9
1952	24	31.9
1953	24	31.9
1954	35	31.9
1955	30	31.9
1957	29	31.9
1958	35	31.9
1959	31	31.9
1960	26	29.5
1961	24	29.5
1962	27	29.5
1963	29	29.5
1964	30	29.5
1965	33	29.5
1966	29	29.5
1967	29	29.5
1968	44	29.5
1969	24	29.5
1970	33	36.6
1971	32	36.6
1972	45	36.6
1973	31	36.6
1974	32	36.6
1975	42	36.6
1976	45	36.6
1977	44	36.6
1978	34	36.6
1979	28	36.6
1980	28	33.5
1981	30	33.5
1982	33	33.5
1983	41	33.5
1984	39	33.5
1986	43	33.5
1987	28	33.5
1988	26	33.5

For each year, a bar from the first to the last day at Frankfort Lock 19 meeting 10 mm (0.39 in).

First to last qualifying date each year at Frankfort Lock 19
Year	First date	Last date
1932	1932-01-06	1932-12-31
1933	1933-01-19	1933-12-04
1934	1934-01-02	1934-12-29
1935	1935-01-01	1935-12-09
1936	1936-01-03	1936-12-03
1937	1937-01-15	1937-12-18
1938	1938-01-01	1938-12-10
1939	1939-01-31	1939-12-21
1940	1940-01-15	1940-12-30
1941	1941-01-25	1941-12-25
1942	1942-03-17	1942-12-31
1943	1943-01-04	1943-12-07
1944	1944-02-15	1944-12-28
1945	1945-01-01	1945-11-30
1946	1946-01-22	1946-12-28
1947	1947-01-03	1947-12-16
1948	1948-01-02	1948-12-30
1949	1949-01-01	1949-12-13
1950	1950-01-09	1950-12-11
1951	1951-01-02	1951-12-21
1952	1952-01-18	1952-12-12
1953	1953-01-09	1953-11-23
1954	1954-01-06	1954-12-20
1955	1955-02-07	1955-12-04
1957	1957-01-23	1957-12-27
1958	1958-01-15	1958-11-29
1959	1959-01-02	1959-12-29
1960	1960-02-11	1960-11-04
1961	1961-01-01	1961-12-18
1962	1962-01-06	1962-12-06
1963	1963-01-27	1963-12-09
1964	1964-01-02	1964-12-28
1965	1965-01-24	1965-12-26
1966	1966-02-01	1966-12-25
1967	1967-01-28	1967-12-29
1968	1968-01-30	1968-12-29
1969	1969-01-30	1969-12-26
1970	1970-03-05	1970-12-24
1971	1971-02-08	1971-12-31
1972	1972-01-03	1972-12-22
1973	1973-01-01	1973-12-27
1974	1974-01-22	1974-11-21
1975	1975-01-26	1975-12-31
1976	1976-01-03	1976-12-08
1977	1977-02-25	1977-12-22
1978	1978-01-09	1978-12-25
1979	1979-01-02	1979-11-27
1980	1980-01-15	1980-11-25
1981	1981-02-02	1981-12-23
1982	1982-01-04	1982-12-28
1983	1983-01-16	1983-12-29
1984	1984-02-15	1984-12-31
1986	1986-01-21	1986-12-10
1987	1987-01-05	1987-12-21
1988	1988-01-19	1988-11-21

Every Fixed Threshold

Fixed thresholds at Frankfort Lock 19
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	55	45	1972	26
25 mm (0.98 in): Days with 25 mm or more rain	55	16	1976	4
50 mm (1.97 in): Days with 50 mm or more rain	25	3	1932	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1943	1
10 cm (3.9 in): Days with 10 cm or more snowfall	36	9	1972	5
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	1948	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1966	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

Data for Frankfort Lock 19 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).

Frankfort Lock 19 Threshold Days by Year (USC00303010)

Key Facts for Frankfort Lock 19 Thresholds

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

Every Fixed Threshold

Download the Data

Related