Atikokan Cli Threshold Days by Year (CA006020381)
18 fixed thresholds counted per year at Atikokan Cli (CA006020381): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Atikokan Cli Thresholds
- Atikokan Cli: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1919 with 31.
- Atikokan Cli: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1925 with 131.
- Atikokan Cli: nights with a minimum temperature at or below 0 C (32 F) in 50 years, most in 1958 with 249.
- Atikokan Cli: nights with a minimum temperature at or below -10 C (14 F) in 50 years, most in 1943 with 145.
- 18 fixed thresholds have at least one qualifying day at Atikokan Cli.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 14 | 22.5 |
| 1919 | 31 | 22.5 |
| 1920 | 16 | 14.3 |
| 1921 | 23 | 14.3 |
| 1922 | 24 | 14.3 |
| 1923 | 24 | 14.3 |
| 1925 | 3 | 14.3 |
| 1926 | 10 | 14.3 |
| 1927 | 3 | 14.3 |
| 1928 | 5 | 14.3 |
| 1929 | 21 | 14.3 |
| 1930 | 18 | 20.4 |
| 1931 | 28 | 20.4 |
| 1932 | 19 | 20.4 |
| 1933 | 30 | 20.4 |
| 1934 | 12 | 20.4 |
| 1935 | 22 | 20.4 |
| 1936 | 29 | 20.4 |
| 1937 | 26 | 20.4 |
| 1938 | 13 | 20.4 |
| 1939 | 7 | 20.4 |
| 1940 | 15 | 11.8 |
| 1941 | 27 | 11.8 |
| 1942 | 3 | 11.8 |
| 1943 | 14 | 11.8 |
| 1944 | 5 | 11.8 |
| 1945 | 9 | 11.8 |
| 1946 | 5 | 11.8 |
| 1947 | 21 | 11.8 |
| 1948 | 9 | 11.8 |
| 1949 | 10 | 11.8 |
| 1950 | 2 | 7.5 |
| 1951 | 5 | 7.5 |
| 1952 | 9 | 7.5 |
| 1953 | 15 | 7.5 |
| 1954 | 6 | 7.5 |
| 1955 | 14 | 7.5 |
| 1956 | 6 | 7.5 |
| 1957 | 5 | 7.5 |
| 1958 | 3 | 7.5 |
| 1959 | 10 | 7.5 |
| 1960 | 3 | 4.9 |
| 1961 | 7 | 4.9 |
| 1962 | 3 | 4.9 |
| 1963 | 10 | 4.9 |
| 1965 | 2 | 4.9 |
| 1966 | 12 | 4.9 |
| 1967 | 2 | 4.9 |
| 1968 | 1 | 4.9 |
| 1969 | 4 | 4.9 |
| 1970 | 15 | 15 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-05-16 | 1917-08-22 |
| 1919 | 1919-05-25 | 1919-08-19 |
| 1920 | 1920-06-12 | 1920-09-25 |
| 1921 | 1921-05-20 | 1921-09-01 |
| 1922 | 1922-05-10 | 1922-09-22 |
| 1923 | 1923-05-26 | 1923-07-25 |
| 1925 | 1925-05-31 | 1925-07-13 |
| 1926 | 1926-05-07 | 1926-08-27 |
| 1927 | 1927-06-30 | 1927-09-14 |
| 1928 | 1928-05-09 | 1928-08-10 |
| 1929 | 1929-05-27 | 1929-09-02 |
| 1930 | 1930-05-21 | 1930-08-31 |
| 1931 | 1931-05-15 | 1931-09-11 |
| 1932 | 1932-05-14 | 1932-09-08 |
| 1933 | 1933-06-01 | 1933-09-05 |
| 1934 | 1934-05-28 | 1934-08-17 |
| 1935 | 1935-06-29 | 1935-08-16 |
| 1936 | 1936-06-24 | 1936-09-03 |
| 1937 | 1937-05-29 | 1937-08-27 |
| 1938 | 1938-06-19 | 1938-08-15 |
| 1939 | 1939-05-29 | 1939-08-08 |
| 1940 | 1940-06-02 | 1940-09-04 |
| 1941 | 1941-05-04 | 1941-08-08 |
| 1942 | 1942-07-12 | 1942-07-18 |
| 1943 | 1943-07-06 | 1943-08-01 |
| 1944 | 1944-05-30 | 1944-08-10 |
| 1945 | 1945-06-22 | 1945-09-06 |
| 1946 | 1946-07-13 | 1946-08-03 |
| 1947 | 1947-07-14 | 1947-09-08 |
| 1948 | 1948-06-02 | 1948-09-04 |
| 1949 | 1949-06-11 | 1949-08-13 |
| 1950 | 1950-07-28 | 1950-07-29 |
| 1951 | 1951-07-24 | 1951-07-30 |
| 1952 | 1952-04-28 | 1952-09-13 |
| 1953 | 1953-05-07 | 1953-10-02 |
| 1954 | 1954-06-24 | 1954-08-24 |
| 1955 | 1955-07-03 | 1955-08-20 |
| 1956 | 1956-06-09 | 1956-06-22 |
| 1957 | 1957-07-13 | 1957-07-31 |
| 1958 | 1958-07-23 | 1958-08-11 |
| 1959 | 1959-06-07 | 1959-08-18 |
| 1960 | 1960-07-09 | 1960-07-24 |
| 1961 | 1961-06-28 | 1961-08-29 |
| 1962 | 1962-06-15 | 1962-08-28 |
| 1963 | 1963-06-06 | 1963-07-25 |
| 1965 | 1965-07-22 | 1965-07-23 |
| 1966 | 1966-06-28 | 1966-08-27 |
| 1967 | 1967-07-20 | 1967-07-21 |
| 1968 | 1968-07-06 | 1968-07-06 |
| 1969 | 1969-05-27 | 1969-07-13 |
| 1970 | 1970-06-06 | 1970-08-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 31 | 1919 | 15 |
| 35 C (95 F): Days | 13 | 8 | 1931 | 2 |
| 40 C (104 F): Days | 1 | 3 | 1936 | 3 |
| 90 F (32.2 C): Days | 40 | 18 | 1931 | 1 |
| 100 F (37.8 C): Days | 2 | 5 | 1936 | 5 |
| 0 C (32 F): Ice days (max | 51 | 131 | 1925 | 113 |
| 0 C (32 F): Frost days (min | 50 | 249 | 1958 | 193 |
| -10 C (14 F): Days with min | 50 | 145 | 1943 | 128 |
| -20 C (-4 F): Days with min | 50 | 93 | 1917 | 77 |
| -30 C (-22 F): Days with min | 50 | 56 | 1917 | 26 |
| -40 C (-40 F): Days with min | 49 | 17 | 1943 | 3 |
| 20 C (68 F): Tropical nights (min | 27 | 4 | 1936 | 3 |
| 25 C (77 F): Days with min | 1 | 1 | 1936 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 30 | 1926 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 39 | 9 | 1941 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 14 | 3 | 1933 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 46 | 10 | 1933 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 6 | 1 | 1936 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.
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).