Warm to Cold Record Ratio: Canada
8,047 record highs and 4,876 record lows were set in Canada in 1983, a ratio of 1.7 to 1, with the trend by year and decade.
Data as of . Last revised (2026-10-12).
Key Facts
- In 1983, 8,047 record highs and 4,876 record lows were set in Canada, a warm to cold ratio of 1.7 to 1.
- So far this year, 0 record highs and 0 record lows have been set in Canada, a ratio of n/a.
- The ratio in Canada was 1.3 to 1 in the 1900s and 1.5 to 1 in the 1980s.
- The series starts in 1906.
- A ratio of 1 to 1 means as many record highs as record lows; above 1 means more record highs.
Ratio by Year
Record highs divided by record lows| Year | Highs to lows |
|---|---|
| 1906 | 2.0 to 1 |
| 1907 | 0.6 to 1 |
| 1908 | 2.2 to 1 |
| 1909 | 1.7 to 1 |
| 1910 | 2.6 to 1 |
| 1911 | 2.1 to 1 |
| 1912 | 0.6 to 1 |
| 1913 | 2.8 to 1 |
| 1914 | 1.1 to 1 |
| 1915 | 1.6 to 1 |
| 1916 | 1.5 to 1 |
| 1917 | 0.6 to 1 |
| 1918 | 1.2 to 1 |
| 1919 | 1.2 to 1 |
| 1920 | 1.2 to 1 |
| 1921 | 3.3 to 1 |
| 1922 | 1.5 to 1 |
| 1923 | 0.8 to 1 |
| 1924 | 0.9 to 1 |
| 1925 | 0.9 to 1 |
| 1926 | 0.9 to 1 |
| 1927 | 1.3 to 1 |
| 1928 | 2.1 to 1 |
| 1929 | 1.0 to 1 |
| 1930 | 2.0 to 1 |
| 1931 | 5.8 to 1 |
| 1932 | 1.9 to 1 |
| 1933 | 0.8 to 1 |
| 1934 | 1.4 to 1 |
| 1935 | 0.7 to 1 |
| 1936 | 1.1 to 1 |
| 1937 | 2.7 to 1 |
| 1938 | 3.9 to 1 |
| 1939 | 1.9 to 1 |
| 1940 | 1.6 to 1 |
| 1941 | 3.6 to 1 |
| 1942 | 2.1 to 1 |
| 1943 | 0.8 to 1 |
| 1944 | 2.7 to 1 |
| 1945 | 1.4 to 1 |
| 1946 | 1.6 to 1 |
| 1947 | 1.6 to 1 |
| 1948 | 1.1 to 1 |
| 1949 | 2.1 to 1 |
| 1950 | 0.5 to 1 |
| 1951 | 0.7 to 1 |
| 1952 | 2.1 to 1 |
| 1953 | 2.8 to 1 |
| 1954 | 1.0 to 1 |
| 1955 | 0.6 to 1 |
| 1956 | 0.9 to 1 |
| 1957 | 1.1 to 1 |
| 1958 | 1.7 to 1 |
| 1959 | 0.9 to 1 |
| 1960 | 1.3 to 1 |
| 1961 | 2.0 to 1 |
| 1962 | 1.1 to 1 |
| 1963 | 1.9 to 1 |
| 1964 | 0.9 to 1 |
| 1965 | 0.6 to 1 |
| 1966 | 1.0 to 1 |
| 1967 | 0.8 to 1 |
| 1968 | 1.4 to 1 |
| 1969 | 1.0 to 1 |
| 1970 | 1.0 to 1 |
| 1971 | 1.0 to 1 |
| 1972 | 0.4 to 1 |
| 1973 | 1.7 to 1 |
| 1974 | 0.7 to 1 |
| 1975 | 1.4 to 1 |
| 1976 | 1.2 to 1 |
| 1977 | 1.9 to 1 |
| 1978 | 0.7 to 1 |
| 1979 | 1.5 to 1 |
| 1980 | 1.3 to 1 |
| 1981 | 2.9 to 1 |
| 1982 | 0.7 to 1 |
| 1983 | 1.7 to 1 |
The chart starts in 1906. Earlier years are left out because fewer than 500 records were set in each, from too few stations to give a steady ratio. The data download has every year.
Ratio by Decade
| Decade | Ratio |
|---|---|
| 1900s | 1.3 to 1 |
| 1910s | 1.3 to 1 |
| 1920s | 1.2 to 1 |
| 1930s | 1.7 to 1 |
| 1940s | 1.6 to 1 |
| 1950s | 1.0 to 1 |
| 1960s | 1.1 to 1 |
| 1970s | 1.1 to 1 |
| 1980s | 1.5 to 1 |
Cumulative Highs and Lows in 1983
| Date | Record highs | Record lows |
|---|
Year to Date Against Previous Years
| Year | Ratio |
|---|---|
| 1983 (this year) | n/a |
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 2026-10-12. Records are computed by this site. The ratio uses record highs and record lows of daily maximum and minimum temperature.