Trois Rivieres Threshold Days by Year
17 fixed thresholds counted per year at Trois Rivieres (CA007018564): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Trois Rivieres Thresholds
- Trois Rivieres: nights with a minimum temperature at or below 0 C (32 F) in 49 years, most in 1956 with 204.
- Trois Rivieres: nights with a minimum temperature at or below -10 C (14 F) in 49 years, most in 1978 with 103.
- Trois Rivieres: nights with a minimum temperature at or below -20 C (-4 F) in 49 years, most in 1962 with 50.
- Trois Rivieres: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1936 with 47.
- 17 fixed thresholds have at least one qualifying day at Trois Rivieres.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1935 | 14 | 13.4 |
| 1936 | 5 | 13.4 |
| 1937 | 19 | 13.4 |
| 1938 | 14 | 13.4 |
| 1939 | 15 | 13.4 |
| 1940 | 13 | 20.3 |
| 1941 | 17 | 20.3 |
| 1942 | 10 | 20.3 |
| 1943 | 10 | 20.3 |
| 1944 | 28 | 20.3 |
| 1945 | 25 | 20.3 |
| 1946 | 16 | 20.3 |
| 1947 | 30 | 20.3 |
| 1948 | 22 | 20.3 |
| 1949 | 32 | 20.3 |
| 1950 | 15 | 9.9 |
| 1951 | 1 | 9.9 |
| 1952 | 10 | 9.9 |
| 1953 | 8 | 9.9 |
| 1954 | 2 | 9.9 |
| 1955 | 25 | 9.9 |
| 1956 | 5 | 9.9 |
| 1957 | 7 | 9.9 |
| 1959 | 16 | 9.9 |
| 1960 | 3 | 6 |
| 1961 | 5 | 6 |
| 1962 | 3 | 6 |
| 1963 | 17 | 6 |
| 1964 | 7 | 6 |
| 1965 | 5 | 6 |
| 1966 | 4 | 6 |
| 1967 | 6 | 6 |
| 1968 | 5 | 6 |
| 1969 | 5 | 6 |
| 1970 | 18 | 8.1 |
| 1971 | 3 | 8.1 |
| 1972 | 3 | 8.1 |
| 1973 | 6 | 8.1 |
| 1974 | 1 | 8.1 |
| 1975 | 13 | 8.1 |
| 1976 | 5 | 8.1 |
| 1977 | 13 | 8.1 |
| 1978 | 10 | 8.1 |
| 1979 | 9 | 8.1 |
| 1980 | 3 | 8.3 |
| 1982 | 5 | 8.3 |
| 1983 | 17 | 8.3 |
| Year | First date | Last date |
|---|---|---|
| 1935 | 1935-07-04 | 1935-08-20 |
| 1936 | 1936-06-10 | 1936-07-13 |
| 1937 | 1937-05-31 | 1937-09-03 |
| 1938 | 1938-06-16 | 1938-08-20 |
| 1939 | 1939-06-29 | 1939-09-16 |
| 1940 | 1940-07-08 | 1940-08-18 |
| 1941 | 1941-05-21 | 1941-08-07 |
| 1942 | 1942-06-10 | 1942-09-18 |
| 1943 | 1943-06-22 | 1943-09-06 |
| 1944 | 1944-05-24 | 1944-08-16 |
| 1945 | 1945-05-22 | 1945-09-08 |
| 1946 | 1946-06-23 | 1946-08-09 |
| 1947 | 1947-06-11 | 1947-09-15 |
| 1948 | 1948-06-26 | 1948-09-08 |
| 1949 | 1949-06-03 | 1949-08-27 |
| 1950 | 1950-05-24 | 1950-08-25 |
| 1951 | 1951-07-26 | 1951-07-26 |
| 1952 | 1952-07-03 | 1952-08-28 |
| 1953 | 1953-06-27 | 1953-09-02 |
| 1954 | 1954-08-24 | 1954-08-25 |
| 1955 | 1955-06-18 | 1955-08-22 |
| 1956 | 1956-06-12 | 1956-07-02 |
| 1957 | 1957-06-18 | 1957-07-20 |
| 1959 | 1959-05-22 | 1959-09-10 |
| 1960 | 1960-05-28 | 1960-08-29 |
| 1961 | 1961-07-22 | 1961-09-11 |
| 1962 | 1962-05-18 | 1962-06-15 |
| 1963 | 1963-06-23 | 1963-07-29 |
| 1964 | 1964-06-20 | 1964-07-28 |
| 1965 | 1965-06-05 | 1965-09-22 |
| 1966 | 1966-06-23 | 1966-07-03 |
| 1967 | 1967-06-02 | 1967-07-22 |
| 1968 | 1968-07-14 | 1968-07-18 |
| 1969 | 1969-06-27 | 1969-07-18 |
| 1970 | 1970-06-02 | 1970-08-16 |
| 1971 | 1971-05-19 | 1971-06-30 |
| 1972 | 1972-05-23 | 1972-07-21 |
| 1973 | 1973-07-09 | 1973-09-02 |
| 1974 | 1974-07-03 | 1974-07-03 |
| 1975 | 1975-05-20 | 1975-08-10 |
| 1976 | 1976-06-06 | 1976-08-21 |
| 1977 | 1977-05-17 | 1977-08-29 |
| 1978 | 1978-05-27 | 1978-08-16 |
| 1979 | 1979-05-09 | 1979-07-25 |
| 1980 | 1980-06-25 | 1980-08-24 |
| 1982 | 1982-07-07 | 1982-07-19 |
| 1983 | 1983-06-13 | 1983-09-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 32 | 1949 | 17 |
| 35 C (95 F): Days | 8 | 3 | 1947 | 1 |
| 90 F (32.2 C): Days | 30 | 20 | 1949 | 3 |
| 100 F (37.8 C): Days | 1 | 1 | 1953 | 1 |
| 0 C (32 F): Ice days (max | 48 | 105 | 1976 | 79 |
| 0 C (32 F): Frost days (min | 49 | 204 | 1956 | 166 |
| -10 C (14 F): Days with min | 49 | 103 | 1978 | 68 |
| -20 C (-4 F): Days with min | 49 | 50 | 1962 | 20 |
| -30 C (-22 F): Days with min | 41 | 13 | 1948 | 2 |
| 20 C (68 F): Tropical nights (min | 42 | 18 | 1938 | 7 |
| 25 C (77 F): Days with min | 1 | 1 | 1952 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 49 | 47 | 1936 | 45 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 49 | 13 | 1945 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 2 | 1942 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1935 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 49 | 15 | 1971 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 31 | 4 | 1958 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.
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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-13).