Muskoka A Threshold Days by Year (CA006115525)
17 fixed thresholds counted per year at Muskoka A (CA006115525): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Muskoka A Thresholds
- Muskoka A: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1967 with 43.
- Muskoka A: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1957 with 12.
- Muskoka A: days with 10 cm (3.9 in) or more of snowfall in 46 years, most in 1942 with 14.
- Muskoka A: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1940 with 100.
- 17 fixed thresholds have at least one qualifying day at Muskoka A.
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 8 | 8 |
| 1940 | 5 | 10.4 |
| 1941 | 15 | 10.4 |
| 1942 | 6 | 10.4 |
| 1943 | 9 | 10.4 |
| 1944 | 14 | 10.4 |
| 1945 | 5 | 10.4 |
| 1946 | 10 | 10.4 |
| 1947 | 13 | 10.4 |
| 1948 | 10 | 10.4 |
| 1949 | 17 | 10.4 |
| 1950 | 2 | 8.9 |
| 1952 | 11 | 8.9 |
| 1953 | 11 | 8.9 |
| 1955 | 29 | 8.9 |
| 1956 | 2 | 8.9 |
| 1957 | 4 | 8.9 |
| 1958 | 1 | 8.9 |
| 1959 | 11 | 8.9 |
| 1960 | 3 | 7 |
| 1961 | 2 | 7 |
| 1962 | 10 | 7 |
| 1963 | 11 | 7 |
| 1964 | 12 | 7 |
| 1965 | 2 | 7 |
| 1966 | 11 | 7 |
| 1968 | 7 | 7 |
| 1969 | 5 | 7 |
| 1970 | 4 | 4.7 |
| 1971 | 1 | 4.7 |
| 1972 | 1 | 4.7 |
| 1973 | 6 | 4.7 |
| 1974 | 1 | 4.7 |
| 1975 | 14 | 4.7 |
| 1976 | 2 | 4.7 |
| 1977 | 7 | 4.7 |
| 1978 | 7 | 4.7 |
| 1979 | 4 | 4.7 |
| 1981 | 1 | 7.3 |
| 1982 | 5 | 7.3 |
| 1983 | 16 | 7.3 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-07-07 | 1939-09-15 |
| 1940 | 1940-07-22 | 1940-07-28 |
| 1941 | 1941-06-20 | 1941-09-16 |
| 1942 | 1942-06-10 | 1942-08-31 |
| 1943 | 1943-06-15 | 1943-09-01 |
| 1944 | 1944-05-26 | 1944-08-15 |
| 1945 | 1945-07-24 | 1945-09-07 |
| 1946 | 1946-06-25 | 1946-08-09 |
| 1947 | 1947-06-10 | 1947-09-06 |
| 1948 | 1948-07-10 | 1948-09-06 |
| 1949 | 1949-06-03 | 1949-08-27 |
| 1950 | 1950-06-09 | 1950-08-17 |
| 1952 | 1952-06-24 | 1952-09-14 |
| 1953 | 1953-06-20 | 1953-09-04 |
| 1955 | 1955-06-06 | 1955-09-18 |
| 1956 | 1956-06-13 | 1956-06-14 |
| 1957 | 1957-06-17 | 1957-07-21 |
| 1958 | 1958-08-12 | 1958-08-12 |
| 1959 | 1959-06-11 | 1959-09-09 |
| 1960 | 1960-08-19 | 1960-09-08 |
| 1961 | 1961-07-23 | 1961-09-03 |
| 1962 | 1962-05-18 | 1962-09-13 |
| 1963 | 1963-06-04 | 1963-07-28 |
| 1964 | 1964-05-23 | 1964-07-28 |
| 1965 | 1965-06-27 | 1965-08-06 |
| 1966 | 1966-06-25 | 1966-08-07 |
| 1968 | 1968-07-14 | 1968-08-24 |
| 1969 | 1969-06-27 | 1969-08-31 |
| 1970 | 1970-07-27 | 1970-08-15 |
| 1971 | 1971-06-30 | 1971-06-30 |
| 1972 | 1972-07-12 | 1972-07-12 |
| 1973 | 1973-06-11 | 1973-09-04 |
| 1974 | 1974-08-21 | 1974-08-21 |
| 1975 | 1975-05-20 | 1975-08-02 |
| 1976 | 1976-06-15 | 1976-07-05 |
| 1977 | 1977-05-21 | 1977-08-28 |
| 1978 | 1978-05-27 | 1978-08-15 |
| 1979 | 1979-07-13 | 1979-07-24 |
| 1981 | 1981-06-15 | 1981-06-15 |
| 1982 | 1982-07-06 | 1982-09-13 |
| 1983 | 1983-06-13 | 1983-09-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 29 | 1955 | 16 |
| 35 C (95 F): Days | 1 | 2 | 1944 | 2 |
| 90 F (32.2 C): Days | 21 | 9 | 1955 | 1 |
| 0 C (32 F): Ice days (max | 45 | 100 | 1940 | 68 |
| 0 C (32 F): Frost days (min | 45 | 201 | 1972 | 175 |
| -10 C (14 F): Days with min | 45 | 105 | 1970 | 64 |
| -20 C (-4 F): Days with min | 45 | 40 | 1976 | 24 |
| -30 C (-22 F): Days with min | 42 | 12 | 1979 | 2 |
| -40 C (-40 F): Days with min | 2 | 1 | 1942 | 1 |
| 20 C (68 F): Tropical nights (min | 17 | 7 | 1949 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 43 | 1967 | 43 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 46 | 12 | 1957 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 2 | 1935 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1944 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 46 | 14 | 1942 | 9 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 15 | 3 | 1942 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1965 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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 (2026-10-17).