Mount Forest Threshold Days by Year
16 fixed thresholds counted per year at Mount Forest (CA006145503): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mount Forest Thresholds
- Mount Forest: days with 10 cm (3.9 in) or more of snowfall in 59 years, most in 1893 with 14.
- Mount Forest: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1920 with 40.
- Mount Forest: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1942 with 13.
- Mount Forest: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 1947 with 110.
- 16 fixed thresholds have at least one qualifying day at Mount Forest.
Days at or above 30 C (86 F)
49 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1916 | 26 | 19.5 |
| 1917 | 9 | 19.5 |
| 1918 | 19 | 19.5 |
| 1919 | 24 | 19.5 |
| 1920 | 3 | 8.6 |
| 1921 | 20 | 8.6 |
| 1923 | 13 | 8.6 |
| 1924 | 3 | 8.6 |
| 1925 | 10 | 8.6 |
| 1926 | 6 | 8.6 |
| 1927 | 5 | 8.6 |
| 1928 | 6 | 8.6 |
| 1929 | 11 | 8.6 |
| 1930 | 10 | 16 |
| 1931 | 19 | 16 |
| 1932 | 6 | 16 |
| 1933 | 20 | 16 |
| 1934 | 15 | 16 |
| 1935 | 14 | 16 |
| 1936 | 21 | 16 |
| 1937 | 24 | 16 |
| 1938 | 12 | 16 |
| 1939 | 19 | 16 |
| 1940 | 10 | 8.9 |
| 1941 | 10 | 8.9 |
| 1942 | 3 | 8.9 |
| 1943 | 3 | 8.9 |
| 1944 | 19 | 8.9 |
| 1945 | 6 | 8.9 |
| 1946 | 7 | 8.9 |
| 1947 | 13 | 8.9 |
| 1962 | 2 | 3.9 |
| 1963 | 2 | 3.9 |
| 1964 | 5 | 3.9 |
| 1965 | 2 | 3.9 |
| 1966 | 5 | 3.9 |
| 1968 | 7 | 3.9 |
| 1969 | 4 | 3.9 |
| 1971 | 3 | 3.6 |
| 1972 | 2 | 3.6 |
| 1973 | 11 | 3.6 |
| 1974 | 4 | 3.6 |
| 1975 | 3 | 3.6 |
| 1976 | 2 | 3.6 |
| 1977 | 4 | 3.6 |
| 1978 | 2 | 3.6 |
| 1979 | 1 | 3.6 |
| 1981 | 1 | 4 |
| 1983 | 7 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1916 | 1916-07-11 | 1916-08-22 |
| 1917 | 1917-07-22 | 1917-08-01 |
| 1918 | 1918-07-20 | 1918-08-23 |
| 1919 | 1919-05-30 | 1919-09-08 |
| 1920 | 1920-06-10 | 1920-08-07 |
| 1921 | 1921-05-21 | 1921-09-01 |
| 1923 | 1923-06-18 | 1923-08-11 |
| 1924 | 1924-07-28 | 1924-08-31 |
| 1925 | 1925-06-05 | 1925-08-30 |
| 1926 | 1926-07-09 | 1926-08-03 |
| 1927 | 1927-06-29 | 1927-07-13 |
| 1928 | 1928-07-07 | 1928-08-16 |
| 1929 | 1929-05-30 | 1929-09-05 |
| 1930 | 1930-07-18 | 1930-09-12 |
| 1931 | 1931-06-19 | 1931-09-21 |
| 1932 | 1932-07-19 | 1932-08-31 |
| 1933 | 1933-06-08 | 1933-09-08 |
| 1934 | 1934-06-01 | 1934-08-09 |
| 1935 | 1935-07-05 | 1935-08-20 |
| 1936 | 1936-05-09 | 1936-09-23 |
| 1937 | 1937-05-31 | 1937-09-03 |
| 1938 | 1938-06-24 | 1938-08-19 |
| 1939 | 1939-05-31 | 1939-09-16 |
| 1940 | 1940-06-07 | 1940-09-20 |
| 1941 | 1941-06-27 | 1941-07-29 |
| 1942 | 1942-07-13 | 1942-07-26 |
| 1943 | 1943-06-24 | 1943-06-27 |
| 1944 | 1944-06-27 | 1944-08-15 |
| 1945 | 1945-06-29 | 1945-09-07 |
| 1946 | 1946-06-28 | 1946-07-19 |
| 1947 | 1947-08-04 | 1947-09-07 |
| 1962 | 1962-07-07 | 1962-07-08 |
| 1963 | 1963-06-30 | 1963-07-01 |
| 1964 | 1964-06-29 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-08-06 |
| 1966 | 1966-06-26 | 1966-07-25 |
| 1968 | 1968-06-08 | 1968-08-24 |
| 1969 | 1969-06-27 | 1969-08-31 |
| 1971 | 1971-06-28 | 1971-06-30 |
| 1972 | 1972-07-20 | 1972-07-22 |
| 1973 | 1973-08-08 | 1973-09-04 |
| 1974 | 1974-07-09 | 1974-08-21 |
| 1975 | 1975-07-31 | 1975-08-02 |
| 1976 | 1976-06-13 | 1976-06-15 |
| 1977 | 1977-05-21 | 1977-07-20 |
| 1978 | 1978-07-20 | 1978-08-14 |
| 1979 | 1979-07-13 | 1979-07-13 |
| 1981 | 1981-06-15 | 1981-06-15 |
| 1983 | 1983-06-26 | 1983-09-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 49 | 26 | 1916 | 7 |
| 35 C (95 F): Days | 8 | 6 | 1936 | 2 |
| 90 F (32.2 C): Days | 31 | 12 | 1916 | 1 |
| 0 C (32 F): Ice days (max | 52 | 110 | 1947 | 75 |
| 0 C (32 F): Frost days (min | 52 | 198 | 1925 | 173 |
| -10 C (14 F): Days with min | 52 | 83 | 1924 | 53 |
| -20 C (-4 F): Days with min | 52 | 30 | 1963 | 7 |
| -30 C (-22 F): Days with min | 21 | 6 | 1934 | 3 |
| -40 C (-40 F): Days with min | 1 | 1 | 1934 | 1 |
| 20 C (68 F): Tropical nights (min | 35 | 10 | 1916 | 2 |
| 25 C (77 F): Days with min | 1 | 1 | 1921 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 40 | 1920 | 35 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 13 | 1942 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 2 | 1921 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 59 | 14 | 1893 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 18 | 2 | 1898 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-16).