Windsor Threshold Days by Year (ASN00007087)
4 fixed thresholds counted per year at Windsor (ASN00007087): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Windsor Thresholds
- Windsor: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 1974 with 19.
- Windsor: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1960 with 5.
- Windsor: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1929 with 2.
- Windsor: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1942 with 1.
- 4 fixed thresholds have at least one qualifying day at Windsor.
Days with 10 mm (0.39 in) or more of precipitation
77 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1920 | 2 | 5.9 |
| 1921 | 6 | 5.9 |
| 1922 | 7 | 5.9 |
| 1923 | 6 | 5.9 |
| 1924 | 2 | 5.9 |
| 1925 | 5 | 5.9 |
| 1926 | 3 | 5.9 |
| 1927 | 12 | 5.9 |
| 1928 | 6 | 5.9 |
| 1929 | 10 | 5.9 |
| 1930 | 8 | 6.6 |
| 1931 | 10 | 6.6 |
| 1932 | 9 | 6.6 |
| 1933 | 9 | 6.6 |
| 1934 | 6 | 6.6 |
| 1936 | 4 | 6.6 |
| 1937 | 3 | 6.6 |
| 1938 | 4 | 6.6 |
| 1939 | 6 | 6.6 |
| 1940 | 2 | 5.9 |
| 1941 | 8 | 5.9 |
| 1942 | 12 | 5.9 |
| 1943 | 3 | 5.9 |
| 1944 | 5 | 5.9 |
| 1945 | 4 | 5.9 |
| 1946 | 2 | 5.9 |
| 1947 | 9 | 5.9 |
| 1948 | 9 | 5.9 |
| 1949 | 5 | 5.9 |
| 1952 | 6 | 5.9 |
| 1953 | 7 | 5.9 |
| 1954 | 4 | 5.9 |
| 1955 | 8 | 5.9 |
| 1956 | 6 | 5.9 |
| 1957 | 8 | 5.9 |
| 1958 | 4 | 5.9 |
| 1959 | 4 | 5.9 |
| 1960 | 11 | 7.3 |
| 1961 | 1 | 7.3 |
| 1962 | 2 | 7.3 |
| 1963 | 16 | 7.3 |
| 1964 | 11 | 7.3 |
| 1965 | 8 | 7.3 |
| 1966 | 8 | 7.3 |
| 1967 | 6 | 7.3 |
| 1968 | 7 | 7.3 |
| 1969 | 3 | 7.3 |
| 1970 | 7 | 8 |
| 1972 | 3 | 8 |
| 1974 | 19 | 8 |
| 1975 | 18 | 8 |
| 1976 | 3 | 8 |
| 1977 | 2 | 8 |
| 1978 | 8 | 8 |
| 1979 | 4 | 8 |
| 1980 | 16 | 5.7 |
| 1981 | 3 | 5.7 |
| 1982 | 8 | 5.7 |
| 1983 | 4 | 5.7 |
| 1984 | 6 | 5.7 |
| 1985 | 3 | 5.7 |
| 1986 | 6 | 5.7 |
| 1987 | 4 | 5.7 |
| 1988 | 3 | 5.7 |
| 1989 | 4 | 5.7 |
| 1990 | 6 | 7.4 |
| 1991 | 3 | 7.4 |
| 1995 | 9 | 7.4 |
| 1996 | 11 | 7.4 |
| 1997 | 4 | 7.4 |
| 1998 | 10 | 7.4 |
| 1999 | 9 | 7.4 |
| 2000 | 6 | 8.2 |
| 2001 | 13 | 8.2 |
| 2002 | 5 | 8.2 |
| 2003 | 5 | 8.2 |
| 2004 | 12 | 8.2 |
| Year | First date | Last date |
|---|---|---|
| 1920 | 1920-04-08 | 1920-08-05 |
| 1921 | 1921-01-23 | 1921-05-26 |
| 1922 | 1922-03-01 | 1922-08-25 |
| 1923 | 1923-03-02 | 1923-07-27 |
| 1924 | 1924-03-18 | 1924-03-27 |
| 1925 | 1925-01-16 | 1925-12-08 |
| 1926 | 1926-03-11 | 1926-11-19 |
| 1927 | 1927-03-22 | 1927-12-24 |
| 1928 | 1928-01-30 | 1928-12-07 |
| 1929 | 1929-01-01 | 1929-08-14 |
| 1930 | 1930-03-06 | 1930-10-21 |
| 1931 | 1931-01-13 | 1931-11-04 |
| 1932 | 1932-03-29 | 1932-12-19 |
| 1933 | 1933-03-06 | 1933-08-29 |
| 1934 | 1934-03-19 | 1934-09-03 |
| 1936 | 1936-02-02 | 1936-11-23 |
| 1937 | 1937-01-07 | 1937-05-18 |
| 1938 | 1938-01-16 | 1938-12-29 |
| 1939 | 1939-01-13 | 1939-07-17 |
| 1940 | 1940-05-28 | 1940-07-27 |
| 1941 | 1941-02-27 | 1941-12-15 |
| 1942 | 1942-01-27 | 1942-12-21 |
| 1943 | 1943-03-08 | 1943-05-06 |
| 1944 | 1944-04-05 | 1944-08-28 |
| 1945 | 1945-06-13 | 1945-08-15 |
| 1946 | 1946-05-14 | 1946-07-21 |
| 1947 | 1947-01-22 | 1947-10-25 |
| 1948 | 1948-02-20 | 1948-08-29 |
| 1949 | 1949-02-16 | 1949-11-07 |
| 1952 | 1952-01-21 | 1952-07-28 |
| 1953 | 1953-03-23 | 1953-12-01 |
| 1954 | 1954-04-27 | 1954-12-31 |
| 1955 | 1955-01-01 | 1955-06-06 |
| 1956 | 1956-05-08 | 1956-08-28 |
| 1957 | 1957-02-17 | 1957-12-09 |
| 1958 | 1958-01-21 | 1958-08-12 |
| 1959 | 1959-02-26 | 1959-12-01 |
| 1960 | 1960-01-31 | 1960-07-23 |
| 1961 | 1961-01-26 | 1961-01-26 |
| 1962 | 1962-05-28 | 1962-07-10 |
| 1963 | 1963-01-10 | 1963-12-09 |
| 1964 | 1964-01-10 | 1964-07-23 |
| 1965 | 1965-03-13 | 1965-11-27 |
| 1966 | 1966-02-07 | 1966-06-17 |
| 1967 | 1967-01-22 | 1967-08-08 |
| 1968 | 1968-03-07 | 1968-09-09 |
| 1969 | 1969-02-19 | 1969-05-19 |
| 1970 | 1970-01-23 | 1970-06-18 |
| 1972 | 1972-03-01 | 1972-07-02 |
| 1974 | 1974-01-02 | 1974-12-08 |
| 1975 | 1975-02-21 | 1975-12-09 |
| 1976 | 1976-10-10 | 1976-10-20 |
| 1977 | 1977-05-16 | 1977-12-12 |
| 1978 | 1978-01-02 | 1978-08-16 |
| 1979 | 1979-02-14 | 1979-12-11 |
| 1980 | 1980-01-12 | 1980-07-19 |
| 1981 | 1981-12-08 | 1981-12-31 |
| 1982 | 1982-02-19 | 1982-11-30 |
| 1983 | 1983-08-24 | 1983-12-23 |
| 1984 | 1984-03-05 | 1984-10-08 |
| 1985 | 1985-05-06 | 1985-07-20 |
| 1986 | 1986-03-11 | 1986-10-05 |
| 1987 | 1987-01-21 | 1987-08-26 |
| 1988 | 1988-06-03 | 1988-12-19 |
| 1989 | 1989-01-05 | 1989-06-13 |
| 1990 | 1990-01-27 | 1990-08-03 |
| 1991 | 1991-04-28 | 1991-07-20 |
| 1995 | 1995-02-01 | 1995-12-19 |
| 1996 | 1996-02-06 | 1996-07-31 |
| 1997 | 1997-02-08 | 1997-09-06 |
| 1998 | 1998-05-12 | 1998-12-17 |
| 1999 | 1999-01-12 | 1999-11-03 |
| 2000 | 2000-01-07 | 2000-08-16 |
| 2001 | 2001-01-08 | 2001-12-13 |
| 2002 | 2002-01-29 | 2002-12-06 |
| 2003 | 2003-01-28 | 2003-06-26 |
| 2004 | 2004-01-06 | 2004-07-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 77 | 19 | 1974 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 5 | 1960 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 2 | 1929 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1942 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.
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 (2025-12-31).