Racine Dam 23 Threshold Days by Year (USC00336912)

5 fixed thresholds counted per year at Racine Dam 23 (USC00336912): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Racine Dam 23 Thresholds

Racine Dam 23: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1956 with 49.
Racine Dam 23: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1945 with 17.
Racine Dam 23: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1945 with 3.
Racine Dam 23: days with 10 cm (3.9 in) or more of snowfall in 4 years, most in 1963 with 2.
5 fixed thresholds have at least one qualifying day at Racine Dam 23.

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

35 years with a qualifying day

Days per year at Racine Dam 23 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Racine Dam 23
Year	Days	Decade average
1932	30	36
1933	35	36
1934	26	36
1935	48	36
1936	35	36
1937	35	36
1938	38	36
1939	41	36
1940	31	36.8
1941	36	36.8
1942	34	36.8
1943	37	36.8
1944	32	36.8
1945	44	36.8
1948	46	36.8
1949	34	36.8
1950	47	39.7
1951	45	39.7
1952	40	39.7
1953	32	39.7
1954	34	39.7
1955	39	39.7
1956	49	39.7
1957	34	39.7
1958	44	39.7
1959	33	39.7
1960	32	35.6
1961	43	35.6
1962	44	35.6
1963	22	35.6
1964	39	35.6
1965	31	35.6
1966	37	35.6
1967	35	35.6
1968	37	35.6

For each year, a bar from the first to the last day at Racine Dam 23 meeting 10 mm (0.39 in).

First to last qualifying date each year at Racine Dam 23
Year	First date	Last date
1932	1932-01-01	1932-12-31
1933	1933-01-01	1933-12-20
1934	1934-01-07	1934-12-26
1935	1935-01-01	1935-12-14
1936	1936-01-03	1936-12-31
1937	1937-01-02	1937-12-18
1938	1938-01-22	1938-11-25
1939	1939-01-30	1939-12-27
1940	1940-02-10	1940-12-28
1941	1941-01-16	1941-12-13
1942	1942-01-02	1942-12-31
1943	1943-01-17	1943-12-29
1944	1944-01-03	1944-12-28
1945	1945-01-01	1945-12-07
1948	1948-01-02	1948-12-17
1949	1949-01-06	1949-12-27
1950	1950-01-05	1950-12-08
1951	1951-01-04	1951-12-26
1952	1952-01-02	1952-12-21
1953	1953-01-01	1953-12-14
1954	1954-01-11	1954-12-30
1955	1955-01-04	1955-12-02
1956	1956-01-30	1956-12-15
1957	1957-01-10	1957-12-26
1958	1958-01-14	1958-11-29
1959	1959-01-15	1959-12-12
1960	1960-01-03	1960-12-21
1961	1961-01-01	1961-12-24
1962	1962-01-06	1962-12-30
1963	1963-01-11	1963-11-30
1964	1964-01-02	1964-12-27
1965	1965-01-02	1965-11-27
1966	1966-01-02	1966-12-11
1967	1967-01-27	1967-12-22
1968	1968-01-01	1968-12-23

Every Fixed Threshold

Fixed thresholds at Racine Dam 23
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	35	49	1956	37
25 mm (0.98 in): Days with 25 mm or more rain	35	17	1945	11
50 mm (1.97 in): Days with 50 mm or more rain	22	3	1945	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	2	1963	1
25 cm (9.8 in): Days with 25 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 Racine Dam 23 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).

Racine Dam 23 Threshold Days by Year (USC00336912)

Key Facts for Racine Dam 23 Thresholds

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

Every Fixed Threshold

Download the Data

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