Whitewood Threshold Days by Year (CA004018880)
17 fixed thresholds counted per year at Whitewood (CA004018880): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Whitewood Thresholds
- Whitewood: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1935 with 21.
- Whitewood: days with a maximum temperature at or below 0 C (32 F) in 62 years, most in 1951 with 144.
- Whitewood: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1945 with 224.
- Whitewood: nights with a minimum temperature at or below -10 C (14 F) in 62 years, most in 1955 with 143.
- 17 fixed thresholds have at least one qualifying day at Whitewood.
Days at or above 30 C (86 F)
60 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1915 | 4 | 8.4 |
| 1916 | 6 | 8.4 |
| 1917 | 10 | 8.4 |
| 1918 | 7 | 8.4 |
| 1919 | 15 | 8.4 |
| 1920 | 11 | 8.3 |
| 1921 | 8 | 8.3 |
| 1922 | 9 | 8.3 |
| 1923 | 8 | 8.3 |
| 1924 | 3 | 8.3 |
| 1925 | 13 | 8.3 |
| 1926 | 5 | 8.3 |
| 1928 | 3 | 8.3 |
| 1929 | 15 | 8.3 |
| 1930 | 10 | 14.3 |
| 1931 | 21 | 14.3 |
| 1932 | 7 | 14.3 |
| 1933 | 13 | 14.3 |
| 1934 | 17 | 14.3 |
| 1935 | 4 | 14.3 |
| 1936 | 25 | 14.3 |
| 1937 | 27 | 14.3 |
| 1938 | 3 | 14.3 |
| 1939 | 16 | 14.3 |
| 1940 | 15 | 9.7 |
| 1941 | 19 | 9.7 |
| 1942 | 1 | 9.7 |
| 1943 | 4 | 9.7 |
| 1944 | 4 | 9.7 |
| 1945 | 10 | 9.7 |
| 1947 | 15 | 9.7 |
| 1948 | 5 | 9.7 |
| 1949 | 14 | 9.7 |
| 1950 | 7 | 8.2 |
| 1951 | 4 | 8.2 |
| 1952 | 6 | 8.2 |
| 1953 | 3 | 8.2 |
| 1955 | 8 | 8.2 |
| 1956 | 4 | 8.2 |
| 1957 | 11 | 8.2 |
| 1958 | 17 | 8.2 |
| 1959 | 14 | 8.2 |
| 1960 | 14 | 12.6 |
| 1961 | 39 | 12.6 |
| 1962 | 4 | 12.6 |
| 1963 | 7 | 12.6 |
| 1964 | 5 | 12.6 |
| 1965 | 5 | 12.6 |
| 1966 | 11 | 12.6 |
| 1967 | 16 | 12.6 |
| 1974 | 10 | 9.8 |
| 1975 | 11 | 9.8 |
| 1976 | 9 | 9.8 |
| 1977 | 8 | 9.8 |
| 1978 | 8 | 9.8 |
| 1979 | 13 | 9.8 |
| 1980 | 18 | 16.8 |
| 1981 | 12 | 16.8 |
| 1982 | 10 | 16.8 |
| 1983 | 27 | 16.8 |
| Year | First date | Last date |
|---|---|---|
| 1915 | 1915-08-09 | 1915-08-30 |
| 1916 | 1916-07-03 | 1916-08-18 |
| 1917 | 1917-05-15 | 1917-09-23 |
| 1918 | 1918-05-04 | 1918-08-08 |
| 1919 | 1919-05-25 | 1919-08-18 |
| 1920 | 1920-07-16 | 1920-08-26 |
| 1921 | 1921-06-28 | 1921-08-31 |
| 1922 | 1922-06-04 | 1922-08-04 |
| 1923 | 1923-05-26 | 1923-09-03 |
| 1924 | 1924-07-05 | 1924-07-10 |
| 1925 | 1925-05-21 | 1925-09-03 |
| 1926 | 1926-06-27 | 1926-07-31 |
| 1928 | 1928-05-22 | 1928-08-08 |
| 1929 | 1929-06-16 | 1929-08-30 |
| 1930 | 1930-07-08 | 1930-08-25 |
| 1931 | 1931-05-14 | 1931-09-07 |
| 1932 | 1932-05-13 | 1932-07-31 |
| 1933 | 1933-06-14 | 1933-08-20 |
| 1934 | 1934-05-26 | 1934-09-07 |
| 1935 | 1935-07-15 | 1935-08-14 |
| 1936 | 1936-05-27 | 1936-09-03 |
| 1937 | 1937-06-15 | 1937-08-27 |
| 1938 | 1938-07-29 | 1938-09-22 |
| 1939 | 1939-07-10 | 1939-08-26 |
| 1940 | 1940-05-11 | 1940-09-05 |
| 1941 | 1941-05-24 | 1941-08-10 |
| 1942 | 1942-08-20 | 1942-08-20 |
| 1943 | 1943-07-03 | 1943-07-24 |
| 1944 | 1944-05-27 | 1944-07-24 |
| 1945 | 1945-06-21 | 1945-09-04 |
| 1947 | 1947-07-02 | 1947-08-06 |
| 1948 | 1948-05-19 | 1948-09-03 |
| 1949 | 1949-04-28 | 1949-08-17 |
| 1950 | 1950-06-04 | 1950-07-29 |
| 1951 | 1951-05-23 | 1951-07-29 |
| 1952 | 1952-04-26 | 1952-08-25 |
| 1953 | 1953-05-07 | 1953-07-18 |
| 1955 | 1955-07-18 | 1955-08-19 |
| 1956 | 1956-05-21 | 1956-06-11 |
| 1957 | 1957-07-09 | 1957-07-31 |
| 1958 | 1958-05-12 | 1958-08-17 |
| 1959 | 1959-06-04 | 1959-08-24 |
| 1960 | 1960-05-12 | 1960-08-19 |
| 1961 | 1961-05-29 | 1961-08-31 |
| 1962 | 1962-06-25 | 1962-08-21 |
| 1963 | 1963-05-30 | 1963-09-09 |
| 1964 | 1964-05-20 | 1964-09-17 |
| 1965 | 1965-08-10 | 1965-08-23 |
| 1966 | 1966-06-20 | 1966-09-07 |
| 1967 | 1967-07-18 | 1967-09-10 |
| 1974 | 1974-06-19 | 1974-08-06 |
| 1975 | 1975-07-05 | 1975-08-06 |
| 1976 | 1976-07-17 | 1976-09-06 |
| 1977 | 1977-05-12 | 1977-07-22 |
| 1978 | 1978-06-09 | 1978-09-05 |
| 1979 | 1979-06-12 | 1979-09-16 |
| 1980 | 1980-04-20 | 1980-09-07 |
| 1981 | 1981-07-04 | 1981-09-09 |
| 1982 | 1982-07-02 | 1982-09-10 |
| 1983 | 1983-06-10 | 1983-09-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 60 | 39 | 1961 | 27 |
| 35 C (95 F): Days | 27 | 7 | 1931 | 4 |
| 40 C (104 F): Days | 3 | 1 | 1931 | 1 |
| 90 F (32.2 C): Days | 54 | 19 | 1961 | 10 |
| 100 F (37.8 C): Days | 6 | 3 | 1931 | 1 |
| 0 C (32 F): Ice days (max | 62 | 144 | 1951 | 129 |
| 0 C (32 F): Frost days (min | 62 | 224 | 1945 | 207 |
| -10 C (14 F): Days with min | 62 | 143 | 1955 | 109 |
| -20 C (-4 F): Days with min | 62 | 90 | 1955 | 43 |
| -30 C (-22 F): Days with min | 62 | 38 | 1917 | 17 |
| -40 C (-40 F): Days with min | 22 | 6 | 1966 | 1 |
| 20 C (68 F): Tropical nights (min | 18 | 3 | 1947 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 63 | 21 | 1935 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 7 | 1942 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 2 | 1942 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 54 | 7 | 1923 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 1 | 1917 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.
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).