Collinsville 1 S Threshold Days by Year (USC00061536)

7 fixed thresholds counted per year at Collinsville 1 S (USC00061536): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Collinsville 1 S Thresholds

Collinsville 1 S: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1937 with 50.
Collinsville 1 S: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1953 with 23.
Collinsville 1 S: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1938 with 7.
Collinsville 1 S: days with 10 cm (3.9 in) or more of snowfall in 27 years, most in 1945 with 10.
7 fixed thresholds have at least one qualifying day at Collinsville 1 S.

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

33 years with a qualifying day

Days per year at Collinsville 1 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1937.

Days with 10 mm (0.39 in) or more of precipitation per year at Collinsville 1 S
Year	Days	Decade average
1929	36	36
1930	33	37.9
1931	32	37.9
1932	40	37.9
1933	40	37.9
1934	40	37.9
1935	27	37.9
1936	42	37.9
1937	50	37.9
1938	40	37.9
1939	35	37.9
1940	39	38
1941	26	38
1942	47	38
1943	34	38
1944	40	38
1945	41	38
1946	36	38
1947	40	38
1948	47	38
1949	30	38
1950	41	43.8
1951	46	43.8
1952	42	43.8
1953	50	43.8
1954	38	43.8
1958	46	43.8
1960	42	35.5
1961	43	35.5
1962	37	35.5
1963	33	35.5
1964	39	35.5
1965	19	35.5

For each year, a bar from the first to the last day at Collinsville 1 S meeting 10 mm (0.39 in).

First to last qualifying date each year at Collinsville 1 S
Year	First date	Last date
1929	1929-01-02	1929-12-24
1930	1930-01-13	1930-12-27
1931	1931-01-06	1931-12-23
1932	1932-01-02	1932-12-28
1933	1933-01-10	1933-12-27
1934	1934-01-07	1934-12-27
1935	1935-01-02	1935-12-16
1936	1936-01-03	1936-12-20
1937	1937-01-01	1937-12-18
1938	1938-01-02	1938-12-27
1939	1939-01-06	1939-12-21
1940	1940-01-15	1940-12-29
1941	1941-01-17	1941-12-25
1942	1942-01-02	1942-12-31
1943	1943-01-19	1943-12-27
1944	1944-01-04	1944-12-28
1945	1945-01-01	1945-12-30
1946	1946-01-21	1946-12-30
1947	1947-01-02	1947-12-27
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-27
1950	1950-01-07	1950-12-30
1951	1951-01-08	1951-12-26
1952	1952-01-18	1952-12-12
1953	1953-01-03	1953-12-15
1954	1954-01-11	1954-12-30
1958	1958-01-08	1958-12-06
1960	1960-02-06	1960-12-30
1961	1961-01-02	1961-12-29
1962	1962-01-06	1962-12-22
1963	1963-01-12	1963-12-24
1964	1964-01-10	1964-12-28
1965	1965-01-09	1965-12-26

Every Fixed Threshold

Fixed thresholds at Collinsville 1 S
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	33	50	1937	19
25 mm (0.98 in): Days with 25 mm or more rain	33	23	1953	4
50 mm (1.97 in): Days with 50 mm or more rain	27	7	1938	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1934	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	10	1945	3
25 cm (9.8 in): Days with 25 cm or more snowfall	11	2	1938	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1949	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

Data for Collinsville 1 S 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).

Collinsville 1 S Threshold Days by Year (USC00061536)

Key Facts for Collinsville 1 S Thresholds

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

Every Fixed Threshold

Download the Data

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