Calmar Threshold Days by Year (CA003011120)
14 fixed thresholds counted per year at Calmar (CA003011120): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Calmar Thresholds
- Calmar: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1951 with 130.
- Calmar: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1920 with 242.
- Calmar: nights with a minimum temperature at or below -10 C (14 F) in 67 years, most in 1951 with 138.
- Calmar: nights with a minimum temperature at or below -20 C (-4 F) in 67 years, most in 1950 with 78.
- 14 fixed thresholds have at least one qualifying day at Calmar.
Days at or above 30 C (86 F)
58 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1918 | 1 | 2.5 |
| 1919 | 4 | 2.5 |
| 1920 | 3 | 3.5 |
| 1921 | 1 | 3.5 |
| 1922 | 4 | 3.5 |
| 1924 | 3 | 3.5 |
| 1925 | 3 | 3.5 |
| 1926 | 5 | 3.5 |
| 1928 | 6 | 3.5 |
| 1929 | 3 | 3.5 |
| 1930 | 6 | 6.4 |
| 1931 | 1 | 6.4 |
| 1932 | 7 | 6.4 |
| 1933 | 7 | 6.4 |
| 1934 | 7 | 6.4 |
| 1935 | 4 | 6.4 |
| 1936 | 10 | 6.4 |
| 1937 | 3 | 6.4 |
| 1938 | 7 | 6.4 |
| 1939 | 12 | 6.4 |
| 1940 | 9 | 4.9 |
| 1941 | 9 | 4.9 |
| 1942 | 3 | 4.9 |
| 1943 | 2 | 4.9 |
| 1944 | 1 | 4.9 |
| 1945 | 8 | 4.9 |
| 1946 | 6 | 4.9 |
| 1948 | 1 | 4.9 |
| 1949 | 5 | 4.9 |
| 1950 | 13 | 5 |
| 1951 | 2 | 5 |
| 1952 | 2 | 5 |
| 1954 | 1 | 5 |
| 1955 | 6 | 5 |
| 1956 | 4 | 5 |
| 1958 | 7 | 5 |
| 1959 | 5 | 5 |
| 1960 | 4 | 5.8 |
| 1961 | 22 | 5.8 |
| 1963 | 4 | 5.8 |
| 1964 | 5 | 5.8 |
| 1965 | 5 | 5.8 |
| 1966 | 2 | 5.8 |
| 1967 | 5 | 5.8 |
| 1968 | 3 | 5.8 |
| 1969 | 2 | 5.8 |
| 1970 | 6 | 3.6 |
| 1971 | 5 | 3.6 |
| 1972 | 1 | 3.6 |
| 1973 | 3 | 3.6 |
| 1974 | 1 | 3.6 |
| 1975 | 4 | 3.6 |
| 1977 | 5 | 3.6 |
| 1978 | 4 | 3.6 |
| 1979 | 3 | 3.6 |
| 1981 | 10 | 4.3 |
| 1982 | 2 | 4.3 |
| 1983 | 1 | 4.3 |
| Year | First date | Last date |
|---|---|---|
| 1918 | 1918-07-18 | 1918-07-18 |
| 1919 | 1919-05-22 | 1919-07-15 |
| 1920 | 1920-07-16 | 1920-08-12 |
| 1921 | 1921-07-20 | 1921-07-20 |
| 1922 | 1922-06-03 | 1922-08-02 |
| 1924 | 1924-05-14 | 1924-07-02 |
| 1925 | 1925-07-12 | 1925-08-02 |
| 1926 | 1926-06-26 | 1926-07-25 |
| 1928 | 1928-05-21 | 1928-08-10 |
| 1929 | 1929-07-02 | 1929-07-18 |
| 1930 | 1930-06-07 | 1930-08-15 |
| 1931 | 1931-07-22 | 1931-07-22 |
| 1932 | 1932-07-22 | 1932-09-06 |
| 1933 | 1933-06-14 | 1933-08-28 |
| 1934 | 1934-05-25 | 1934-09-06 |
| 1935 | 1935-07-13 | 1935-07-23 |
| 1936 | 1936-05-27 | 1936-07-22 |
| 1937 | 1937-06-28 | 1937-08-04 |
| 1938 | 1938-06-19 | 1938-09-04 |
| 1939 | 1939-04-29 | 1939-08-25 |
| 1940 | 1940-05-23 | 1940-08-31 |
| 1941 | 1941-07-15 | 1941-08-22 |
| 1942 | 1942-07-02 | 1942-08-17 |
| 1943 | 1943-07-23 | 1943-09-25 |
| 1944 | 1944-07-23 | 1944-07-23 |
| 1945 | 1945-05-29 | 1945-08-16 |
| 1946 | 1946-07-20 | 1946-08-23 |
| 1948 | 1948-06-07 | 1948-06-07 |
| 1949 | 1949-06-06 | 1949-07-15 |
| 1950 | 1950-06-12 | 1950-09-23 |
| 1951 | 1951-05-23 | 1951-06-14 |
| 1952 | 1952-09-25 | 1952-09-26 |
| 1954 | 1954-07-07 | 1954-07-07 |
| 1955 | 1955-07-13 | 1955-08-31 |
| 1956 | 1956-05-31 | 1956-07-21 |
| 1958 | 1958-05-28 | 1958-08-25 |
| 1959 | 1959-05-16 | 1959-07-23 |
| 1960 | 1960-07-07 | 1960-07-30 |
| 1961 | 1961-05-26 | 1961-08-22 |
| 1963 | 1963-08-06 | 1963-09-09 |
| 1964 | 1964-07-08 | 1964-08-18 |
| 1965 | 1965-06-11 | 1965-08-02 |
| 1966 | 1966-05-26 | 1966-08-25 |
| 1967 | 1967-08-18 | 1967-09-05 |
| 1968 | 1968-07-04 | 1968-07-10 |
| 1969 | 1969-06-17 | 1969-06-18 |
| 1970 | 1970-06-02 | 1970-08-06 |
| 1971 | 1971-07-30 | 1971-08-21 |
| 1972 | 1972-05-30 | 1972-05-30 |
| 1973 | 1973-06-22 | 1973-07-20 |
| 1974 | 1974-06-23 | 1974-06-23 |
| 1975 | 1975-07-05 | 1975-07-12 |
| 1977 | 1977-04-25 | 1977-07-21 |
| 1978 | 1978-06-04 | 1978-08-10 |
| 1979 | 1979-07-18 | 1979-07-20 |
| 1981 | 1981-07-03 | 1981-09-19 |
| 1982 | 1982-06-20 | 1982-06-21 |
| 1983 | 1983-08-10 | 1983-08-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 58 | 22 | 1961 | 1 |
| 35 C (95 F): Days | 4 | 2 | 1941 | 1 |
| 90 F (32.2 C): Days | 27 | 7 | 1936 | 1 |
| 0 C (32 F): Ice days (max | 67 | 130 | 1951 | 99 |
| 0 C (32 F): Frost days (min | 67 | 242 | 1920 | 207 |
| -10 C (14 F): Days with min | 67 | 138 | 1951 | 94 |
| -20 C (-4 F): Days with min | 67 | 78 | 1950 | 34 |
| -30 C (-22 F): Days with min | 67 | 40 | 1916 | 9 |
| -40 C (-40 F): Days with min | 35 | 10 | 1936 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 67 | 21 | 1942 | 10 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 59 | 5 | 1916 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 2 | 1951 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 56 | 8 | 1924 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 1 | 1918 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.
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).