Boonville 2 N Threshold Days by Year (USC00300780)

5 fixed thresholds counted per year at Boonville 2 N (USC00300780): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boonville 2 N Thresholds

Boonville 2 N: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1951 with 51.
Boonville 2 N: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1947 with 16.
Boonville 2 N: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1947 with 6.
Boonville 2 N: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 1956 with 18.
5 fixed thresholds have at least one qualifying day at Boonville 2 N.

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

39 years with a qualifying day

Days per year at Boonville 2 N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 51 in 1951.

Days with 10 mm (0.39 in) or more of precipitation per year at Boonville 2 N
Year	Days	Decade average
1913	31	31
1927	40	40
1928	41	40
1929	39	40
1930	29	34.7
1931	40	34.7
1932	38	34.7
1933	27	34.7
1934	33	34.7
1935	36	34.7
1936	39	34.7
1937	37	34.7
1938	35	34.7
1939	33	34.7
1940	35	38.2
1941	30	38.2
1942	42	38.2
1943	41	38.2
1944	35	38.2
1945	38	38.2
1946	39	38.2
1947	47	38.2
1948	37	38.2
1949	38	38.2
1950	41	38.2
1951	51	38.2
1952	35	38.2
1953	28	38.2
1954	42	38.2
1955	27	38.2
1956	24	38.2
1957	44	38.2
1958	44	38.2
1959	46	38.2
1960	23	28.4
1961	34	28.4
1962	32	28.4
1963	27	28.4
1964	26	28.4

For each year, a bar from the first to the last day at Boonville 2 N meeting 10 mm (0.39 in).

First to last qualifying date each year at Boonville 2 N
Year	First date	Last date
1913	1913-01-03	1913-12-26
1927	1927-01-19	1927-12-17
1928	1928-01-01	1928-12-18
1929	1929-01-02	1929-12-24
1930	1930-01-08	1930-12-01
1931	1931-01-06	1931-12-25
1932	1932-01-07	1932-12-31
1933	1933-01-19	1933-11-30
1934	1934-01-01	1934-12-28
1935	1935-01-01	1935-11-29
1936	1936-01-03	1936-12-31
1937	1937-01-14	1937-12-25
1938	1938-01-01	1938-12-10
1939	1939-01-02	1939-12-21
1940	1940-02-07	1940-12-30
1941	1941-02-08	1941-12-25
1942	1942-01-02	1942-12-31
1943	1943-01-04	1943-11-22
1944	1944-02-15	1944-12-28
1945	1945-01-02	1945-11-29
1946	1946-01-10	1946-12-29
1947	1947-01-03	1947-12-16
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-27
1950	1950-01-07	1950-12-05
1951	1951-01-04	1951-12-26
1952	1952-01-18	1952-12-12
1953	1953-01-09	1953-12-10
1954	1954-01-02	1954-12-30
1955	1955-02-22	1955-11-17
1956	1956-01-31	1956-12-24
1957	1957-01-22	1957-12-27
1958	1958-01-02	1958-12-20
1959	1959-01-02	1959-12-29
1960	1960-01-03	1960-12-21
1961	1961-01-01	1961-12-20
1962	1962-01-07	1962-12-06
1963	1963-01-28	1963-12-09
1964	1964-01-02	1964-12-28

Every Fixed Threshold

Fixed thresholds at Boonville 2 N
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	39	51	1951	26
25 mm (0.98 in): Days with 25 mm or more rain	39	16	1947	10
50 mm (1.97 in): Days with 50 mm or more rain	23	6	1947	3
10 cm (3.9 in): Days with 10 cm or more snowfall	8	18	1956	7
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1956	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Boonville 2 N 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).

Boonville 2 N Threshold Days by Year (USC00300780)

Key Facts for Boonville 2 N Thresholds

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

Every Fixed Threshold

Download the Data

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