Belleville Dam 2O Threshold Days by Year (USC00460645)
5 fixed thresholds counted per year at Belleville Dam 2O (USC00460645): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Belleville Dam 2O Thresholds
- Belleville Dam 2O: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1923 with 49.
- Belleville Dam 2O: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1950 with 16.
- Belleville Dam 2O: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1948 with 3.
- Belleville Dam 2O: days with 10 cm (3.9 in) or more of snowfall in 6 years, most in 1963 with 2.
- 5 fixed thresholds have at least one qualifying day at Belleville Dam 2O.
Days with 10 mm (0.39 in) or more of precipitation
50 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1918 | 36 | 38 |
| 1919 | 40 | 38 |
| 1920 | 41 | 38.9 |
| 1921 | 44 | 38.9 |
| 1922 | 35 | 38.9 |
| 1923 | 49 | 38.9 |
| 1924 | 36 | 38.9 |
| 1925 | 28 | 38.9 |
| 1926 | 34 | 38.9 |
| 1927 | 43 | 38.9 |
| 1928 | 36 | 38.9 |
| 1929 | 43 | 38.9 |
| 1930 | 16 | 34.3 |
| 1931 | 36 | 34.3 |
| 1932 | 29 | 34.3 |
| 1933 | 43 | 34.3 |
| 1934 | 21 | 34.3 |
| 1935 | 49 | 34.3 |
| 1936 | 33 | 34.3 |
| 1937 | 37 | 34.3 |
| 1938 | 34 | 34.3 |
| 1939 | 45 | 34.3 |
| 1940 | 36 | 36.1 |
| 1941 | 31 | 36.1 |
| 1942 | 42 | 36.1 |
| 1943 | 32 | 36.1 |
| 1944 | 36 | 36.1 |
| 1945 | 43 | 36.1 |
| 1946 | 36 | 36.1 |
| 1947 | 30 | 36.1 |
| 1948 | 44 | 36.1 |
| 1949 | 31 | 36.1 |
| 1950 | 46 | 37.4 |
| 1951 | 44 | 37.4 |
| 1952 | 34 | 37.4 |
| 1953 | 29 | 37.4 |
| 1954 | 35 | 37.4 |
| 1955 | 32 | 37.4 |
| 1956 | 41 | 37.4 |
| 1957 | 34 | 37.4 |
| 1958 | 44 | 37.4 |
| 1959 | 35 | 37.4 |
| 1960 | 30 | 33.3 |
| 1961 | 37 | 33.3 |
| 1962 | 36 | 33.3 |
| 1963 | 23 | 33.3 |
| 1964 | 33 | 33.3 |
| 1965 | 36 | 33.3 |
| 1966 | 35 | 33.3 |
| 1967 | 36 | 33.3 |
| Year | First date | Last date |
|---|---|---|
| 1918 | 1918-01-15 | 1918-12-22 |
| 1919 | 1919-01-01 | 1919-12-14 |
| 1920 | 1920-01-09 | 1920-12-23 |
| 1921 | 1921-01-08 | 1921-12-24 |
| 1922 | 1922-01-05 | 1922-12-28 |
| 1923 | 1923-01-01 | 1923-12-31 |
| 1924 | 1924-01-03 | 1924-12-24 |
| 1925 | 1925-01-17 | 1925-12-22 |
| 1926 | 1926-01-22 | 1926-12-29 |
| 1927 | 1927-01-14 | 1927-12-16 |
| 1928 | 1928-01-25 | 1928-12-14 |
| 1929 | 1929-01-10 | 1929-12-23 |
| 1930 | 1930-01-28 | 1930-12-27 |
| 1931 | 1931-01-06 | 1931-12-11 |
| 1932 | 1932-01-01 | 1932-12-31 |
| 1933 | 1933-01-21 | 1933-12-26 |
| 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 | 1937-12-28 |
| 1938 | 1938-01-22 | 1938-12-27 |
| 1939 | 1939-01-14 | 1939-12-27 |
| 1940 | 1940-01-11 | 1940-12-28 |
| 1941 | 1941-01-24 | 1941-12-13 |
| 1942 | 1942-01-02 | 1942-12-31 |
| 1943 | 1943-01-18 | 1943-12-27 |
| 1944 | 1944-01-03 | 1944-12-28 |
| 1945 | 1945-01-01 | 1945-12-06 |
| 1946 | 1946-01-07 | 1946-12-29 |
| 1947 | 1947-01-02 | 1947-12-16 |
| 1948 | 1948-01-02 | 1948-12-16 |
| 1949 | 1949-01-05 | 1949-12-27 |
| 1950 | 1950-01-03 | 1950-12-08 |
| 1951 | 1951-01-04 | 1951-12-26 |
| 1952 | 1952-01-02 | 1952-12-10 |
| 1953 | 1953-01-01 | 1953-12-14 |
| 1954 | 1954-02-24 | 1954-12-30 |
| 1955 | 1955-02-02 | 1955-11-17 |
| 1956 | 1956-01-30 | 1956-12-21 |
| 1957 | 1957-01-10 | 1957-12-26 |
| 1958 | 1958-01-14 | 1958-11-29 |
| 1959 | 1959-01-02 | 1959-12-28 |
| 1960 | 1960-01-03 | 1960-12-21 |
| 1961 | 1961-01-01 | 1961-12-24 |
| 1962 | 1962-01-07 | 1962-12-30 |
| 1963 | 1963-01-11 | 1963-11-30 |
| 1964 | 1964-01-07 | 1964-12-12 |
| 1965 | 1965-01-02 | 1965-11-27 |
| 1966 | 1966-01-01 | 1966-12-11 |
| 1967 | 1967-01-27 | 1967-12-29 |
Every Fixed Threshold
| 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 | 50 | 49 | 1923 | 36 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 50 | 16 | 1950 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 30 | 3 | 1948 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 6 | 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 1918.
Download the Data
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 . Last revised (2025-12-31).