Long Lake Dam Threshold Days by Year (USC00474829)
19 fixed thresholds counted per year at Long Lake Dam (USC00474829): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Long Lake Dam Thresholds
- Long Lake Dam: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1968 with 35.
- Long Lake Dam: days with 25 mm (0.98 in) or more of precipitation in 87 years, most in 1985 with 12.
- Long Lake Dam: days with a maximum temperature at or above 30 C (86 F) in 86 years, most in 1937 with 38.
- Long Lake Dam: days with a maximum temperature at or below 0 C (32 F) in 86 years, most in 1926 with 120.
- 19 fixed thresholds have at least one qualifying day at Long Lake Dam.
Days at or above 30 C (86 F)
86 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1908 | 16 | 13 |
| 1909 | 10 | 13 |
| 1910 | 34 | 17.5 |
| 1911 | 26 | 17.5 |
| 1912 | 14 | 17.5 |
| 1913 | 17 | 17.5 |
| 1914 | 22 | 17.5 |
| 1915 | 4 | 17.5 |
| 1916 | 27 | 17.5 |
| 1917 | 8 | 17.5 |
| 1918 | 8 | 17.5 |
| 1919 | 15 | 17.5 |
| 1920 | 3 | 9 |
| 1921 | 29 | 9 |
| 1922 | 6 | 9 |
| 1923 | 12 | 9 |
| 1924 | 1 | 9 |
| 1925 | 13 | 9 |
| 1926 | 2 | 9 |
| 1927 | 7 | 9 |
| 1928 | 8 | 9 |
| 1930 | 20 | 19.9 |
| 1931 | 27 | 19.9 |
| 1932 | 16 | 19.9 |
| 1933 | 24 | 19.9 |
| 1934 | 22 | 19.9 |
| 1935 | 5 | 19.9 |
| 1936 | 24 | 19.9 |
| 1937 | 38 | 19.9 |
| 1938 | 7 | 19.9 |
| 1939 | 16 | 19.9 |
| 1940 | 6 | 14.1 |
| 1941 | 22 | 14.1 |
| 1942 | 5 | 14.1 |
| 1943 | 20 | 14.1 |
| 1944 | 17 | 14.1 |
| 1945 | 10 | 14.1 |
| 1946 | 4 | 14.1 |
| 1947 | 26 | 14.1 |
| 1948 | 19 | 14.1 |
| 1949 | 12 | 14.1 |
| 1950 | 3 | 9.6 |
| 1951 | 2 | 9.6 |
| 1952 | 15 | 9.6 |
| 1953 | 13 | 9.6 |
| 1954 | 8 | 9.6 |
| 1955 | 19 | 9.6 |
| 1956 | 5 | 9.6 |
| 1957 | 15 | 9.6 |
| 1958 | 6 | 9.6 |
| 1960 | 9 | 11.9 |
| 1961 | 7 | 11.9 |
| 1962 | 4 | 11.9 |
| 1963 | 20 | 11.9 |
| 1964 | 20 | 11.9 |
| 1965 | 8 | 11.9 |
| 1966 | 17 | 11.9 |
| 1967 | 2 | 11.9 |
| 1968 | 16 | 11.9 |
| 1969 | 16 | 11.9 |
| 1970 | 25 | 12.6 |
| 1971 | 8 | 12.6 |
| 1972 | 13 | 12.6 |
| 1973 | 6 | 12.6 |
| 1974 | 5 | 12.6 |
| 1975 | 20 | 12.6 |
| 1976 | 21 | 12.6 |
| 1977 | 15 | 12.6 |
| 1978 | 8 | 12.6 |
| 1979 | 5 | 12.6 |
| 1980 | 12 | 11.8 |
| 1981 | 4 | 11.8 |
| 1982 | 2 | 11.8 |
| 1983 | 26 | 11.8 |
| 1984 | 3 | 11.8 |
| 1985 | 3 | 11.8 |
| 1986 | 7 | 11.8 |
| 1987 | 15 | 11.8 |
| 1988 | 31 | 11.8 |
| 1989 | 15 | 11.8 |
| 1990 | 2 | 7.3 |
| 1991 | 16 | 7.3 |
| 1992 | 4 | 7.3 |
| 1993 | 2 | 7.3 |
| 1994 | 7 | 7.3 |
| 1995 | 13 | 7.3 |
| Year | First date | Last date |
|---|---|---|
| 1908 | 1908-06-21 | 1908-09-21 |
| 1909 | 1909-06-20 | 1909-08-27 |
| 1910 | 1910-06-13 | 1910-08-22 |
| 1911 | 1911-05-17 | 1911-08-15 |
| 1912 | 1912-06-24 | 1912-09-09 |
| 1913 | 1913-06-13 | 1913-09-06 |
| 1914 | 1914-05-26 | 1914-09-20 |
| 1915 | 1915-04-24 | 1915-09-05 |
| 1916 | 1916-07-05 | 1916-08-20 |
| 1917 | 1917-07-21 | 1917-07-31 |
| 1918 | 1918-05-05 | 1918-08-22 |
| 1919 | 1919-05-26 | 1919-07-27 |
| 1920 | 1920-06-12 | 1920-06-27 |
| 1921 | 1921-05-21 | 1921-09-01 |
| 1922 | 1922-06-06 | 1922-09-04 |
| 1923 | 1923-06-01 | 1923-07-22 |
| 1924 | 1924-08-26 | 1924-08-26 |
| 1925 | 1925-05-31 | 1925-09-03 |
| 1926 | 1926-07-08 | 1926-07-20 |
| 1927 | 1927-06-28 | 1927-09-15 |
| 1928 | 1928-05-24 | 1928-08-16 |
| 1930 | 1930-05-21 | 1930-08-31 |
| 1931 | 1931-06-18 | 1931-09-12 |
| 1932 | 1932-05-14 | 1932-08-30 |
| 1933 | 1933-06-05 | 1933-09-05 |
| 1934 | 1934-05-06 | 1934-08-19 |
| 1935 | 1935-07-04 | 1935-07-24 |
| 1936 | 1936-07-06 | 1936-08-15 |
| 1937 | 1937-05-30 | 1937-09-23 |
| 1938 | 1938-06-22 | 1938-08-15 |
| 1939 | 1939-05-30 | 1939-09-16 |
| 1940 | 1940-07-19 | 1940-09-19 |
| 1941 | 1941-06-20 | 1941-08-09 |
| 1942 | 1942-07-12 | 1942-08-22 |
| 1943 | 1943-06-19 | 1943-08-22 |
| 1944 | 1944-05-30 | 1944-08-15 |
| 1945 | 1945-07-23 | 1945-09-08 |
| 1946 | 1946-06-28 | 1946-08-16 |
| 1947 | 1947-06-28 | 1947-09-10 |
| 1948 | 1948-05-20 | 1948-09-16 |
| 1949 | 1949-05-03 | 1949-08-10 |
| 1950 | 1950-06-06 | 1950-06-25 |
| 1951 | 1951-07-26 | 1951-07-29 |
| 1952 | 1952-04-27 | 1952-09-13 |
| 1953 | 1953-05-08 | 1953-09-02 |
| 1954 | 1954-06-13 | 1954-07-26 |
| 1955 | 1955-05-03 | 1955-08-21 |
| 1956 | 1956-06-10 | 1956-06-14 |
| 1957 | 1957-06-17 | 1957-09-01 |
| 1958 | 1958-06-29 | 1958-08-10 |
| 1960 | 1960-07-21 | 1960-09-07 |
| 1961 | 1961-06-28 | 1961-08-31 |
| 1962 | 1962-05-16 | 1962-08-06 |
| 1963 | 1963-06-03 | 1963-08-06 |
| 1964 | 1964-05-22 | 1964-08-03 |
| 1965 | 1965-06-27 | 1965-08-15 |
| 1966 | 1966-06-24 | 1966-07-25 |
| 1967 | 1967-07-20 | 1967-07-21 |
| 1968 | 1968-06-04 | 1968-08-24 |
| 1969 | 1969-05-28 | 1969-08-31 |
| 1970 | 1970-04-29 | 1970-08-27 |
| 1971 | 1971-06-05 | 1971-09-03 |
| 1972 | 1972-05-17 | 1972-08-17 |
| 1973 | 1973-06-11 | 1973-08-30 |
| 1974 | 1974-07-08 | 1974-07-19 |
| 1975 | 1975-05-21 | 1975-08-25 |
| 1976 | 1976-06-08 | 1976-10-02 |
| 1977 | 1977-05-13 | 1977-08-28 |
| 1978 | 1978-05-27 | 1978-09-09 |
| 1979 | 1979-07-11 | 1979-07-24 |
| 1980 | 1980-04-23 | 1980-08-07 |
| 1981 | 1981-07-07 | 1981-08-14 |
| 1982 | 1982-07-06 | 1982-08-04 |
| 1983 | 1983-06-22 | 1983-09-04 |
| 1984 | 1984-07-14 | 1984-08-29 |
| 1985 | 1985-06-27 | 1985-09-07 |
| 1986 | 1986-05-29 | 1986-07-19 |
| 1987 | 1987-06-14 | 1987-07-31 |
| 1988 | 1988-05-31 | 1988-08-17 |
| 1989 | 1989-07-03 | 1989-08-05 |
| 1990 | 1990-06-30 | 1990-07-04 |
| 1991 | 1991-05-14 | 1991-08-31 |
| 1992 | 1992-06-12 | 1992-08-25 |
| 1993 | 1993-08-12 | 1993-08-26 |
| 1994 | 1994-05-21 | 1994-08-26 |
| 1995 | 1995-06-18 | 1995-08-11 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 86 | 38 | 1937 | 13 |
| 35 C (95 F): Days | 23 | 8 | 1936 | 2 |
| 40 C (104 F): Days | 1 | 2 | 1936 | 2 |
| 90 F (32.2 C): Days | 66 | 16 | 1988 | 9 |
| 100 F (37.8 C): Days | 2 | 4 | 1936 | 4 |
| 0 C (32 F): Ice days (max | 86 | 120 | 1926 | 104 |
| 0 C (32 F): Frost days (min | 84 | 234 | 1917 | 213 |
| -10 C (14 F): Days with min | 84 | 118 | 1955 | 99 |
| -20 C (-4 F): Days with min | 84 | 62 | 1955 | 43 |
| -30 C (-22 F): Days with min | 83 | 30 | 1912 | 5 |
| -40 C (-40 F): Days with min | 25 | 5 | 1912 | 1 |
| 20 C (68 F): Tropical nights (min | 36 | 7 | 1947 | 2 |
| 25 C (77 F): Days with min | 1 | 0 | n/a | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 87 | 35 | 1968 | 23 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 87 | 12 | 1985 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 45 | 4 | 1938 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1936 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 54 | 9 | 1972 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 12 | 2 | 1969 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.
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).