Hannibal 1 N Threshold Days by Year (USC00233596)

5 fixed thresholds counted per year at Hannibal 1 N (USC00233596): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hannibal 1 N Thresholds

Hannibal 1 N: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1942 with 45.
Hannibal 1 N: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1945 with 18.
Hannibal 1 N: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1949 with 6.
Hannibal 1 N: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1964 with 6.
5 fixed thresholds have at least one qualifying day at Hannibal 1 N.

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

66 years with a qualifying day

Days per year at Hannibal 1 N with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1942.

Days with 10 mm (0.39 in) or more of precipitation per year at Hannibal 1 N
Year	Days	Decade average
1898	40	34
1899	28	34
1900	28	28.6
1901	15	28.6
1902	32	28.6
1903	30	28.6
1904	36	28.6
1905	27	28.6
1906	27	28.6
1907	30	28.6
1908	27	28.6
1909	34	28.6
1910	26	29.3
1911	31	29.3
1912	32	29.3
1913	22	29.3
1914	24	29.3
1915	44	29.3
1916	27	29.3
1917	22	29.3
1918	32	29.3
1919	33	29.3
1920	29	30.3
1921	32	30.3
1922	27	30.3
1923	22	30.3
1924	27	30.3
1925	32	30.3
1926	38	30.3
1927	39	30.3
1928	26	30.3
1929	31	30.3
1930	19	25.7
1931	27	25.7
1932	31	25.7
1933	27	25.7
1934	23	25.7
1935	40	25.7
1936	13	25.7
1937	17	25.7
1938	31	25.7
1939	29	25.7
1940	19	35.4
1941	33	35.4
1942	45	35.4
1943	36	35.4
1944	34	35.4
1945	39	35.4
1946	39	35.4
1947	35	35.4
1949	39	35.4
1950	21	27.7
1951	38	27.7
1952	31	27.7
1953	16	27.7
1954	29	27.7
1955	27	27.7
1956	20	27.7
1957	41	27.7
1958	27	27.7
1959	27	27.7
1960	27	27
1961	34	27
1962	25	27
1963	19	27
1964	30	27

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

First to last qualifying date each year at Hannibal 1 N
Year	First date	Last date
1898	1898-01-12	1898-11-22
1899	1899-02-26	1899-11-21
1900	1900-01-17	1900-11-17
1901	1901-01-10	1901-12-13
1902	1902-03-12	1902-12-15
1903	1903-01-03	1903-11-16
1904	1904-01-21	1904-09-25
1905	1905-01-12	1905-12-29
1906	1906-01-03	1906-12-31
1907	1907-01-16	1907-12-23
1908	1908-02-14	1908-12-30
1909	1909-01-29	1909-12-05
1910	1910-01-05	1910-12-28
1911	1911-01-14	1911-12-16
1912	1912-02-26	1912-11-06
1913	1913-02-21	1913-12-01
1914	1914-02-19	1914-12-29
1915	1915-01-22	1915-12-25
1916	1916-01-12	1916-12-26
1917	1917-01-21	1917-10-26
1918	1918-02-12	1918-12-24
1919	1919-02-14	1919-11-29
1920	1920-02-21	1920-10-25
1921	1921-01-30	1921-12-24
1922	1922-01-04	1922-11-13
1923	1923-01-27	1923-12-13
1924	1924-01-10	1924-12-19
1925	1925-02-11	1925-12-05
1926	1926-01-03	1926-12-07
1927	1927-01-13	1927-12-31
1928	1928-02-05	1928-12-17
1929	1929-01-05	1929-11-14
1930	1930-01-07	1930-11-30
1931	1931-02-07	1931-12-30
1932	1932-01-01	1932-12-24
1933	1933-01-18	1933-12-20
1934	1934-02-25	1934-11-30
1935	1935-01-08	1935-11-09
1936	1936-02-26	1936-12-27
1937	1937-01-08	1937-12-27
1938	1938-01-24	1938-12-03
1939	1939-01-24	1939-12-28
1940	1940-01-07	1940-12-16
1941	1941-01-01	1941-12-26
1942	1942-01-31	1942-12-27
1943	1943-01-07	1943-12-29
1944	1944-02-11	1944-12-10
1945	1945-02-26	1945-12-25
1946	1946-01-05	1946-12-13
1947	1947-01-30	1947-12-07
1949	1949-01-19	1949-12-22
1950	1950-01-13	1950-11-20
1951	1951-01-02	1951-11-13
1952	1952-01-22	1952-12-22
1953	1953-02-20	1953-12-03
1954	1954-01-27	1954-12-28
1955	1955-01-04	1955-10-30
1956	1956-03-14	1956-12-05
1957	1957-01-22	1957-12-31
1958	1958-01-22	1958-11-17
1959	1959-01-21	1959-12-28
1960	1960-01-13	1960-12-11
1961	1961-02-03	1961-11-22
1962	1962-01-19	1962-11-16
1963	1963-02-24	1963-12-18
1964	1964-01-12	1964-12-03

Every Fixed Threshold

Fixed thresholds at Hannibal 1 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	66	45	1942	30
25 mm (0.98 in): Days with 25 mm or more rain	66	18	1945	9
50 mm (1.97 in): Days with 50 mm or more rain	50	6	1949	2
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1910	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	6	1964	6

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Hannibal 1 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).

Hannibal 1 N Threshold Days by Year (USC00233596)

Key Facts for Hannibal 1 N Thresholds

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

Every Fixed Threshold

Download the Data

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