Bonnie Brae Threshold Days by Year
5 fixed thresholds counted per year at Bonnie Brae (ASN00041165): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bonnie Brae Thresholds
- Bonnie Brae: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1988 with 51.
- Bonnie Brae: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1975 with 22.
- Bonnie Brae: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1946 with 8.
- Bonnie Brae: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1928 with 3.
- 5 fixed thresholds have at least one qualifying day at Bonnie Brae.
Days with 10 mm (0.39 in) or more of precipitation
58 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1918 | 17 | 18 |
| 1919 | 19 | 18 |
| 1920 | 31 | 32.3 |
| 1923 | 21 | 32.3 |
| 1924 | 39 | 32.3 |
| 1925 | 42 | 32.3 |
| 1926 | 29 | 32.3 |
| 1927 | 42 | 32.3 |
| 1928 | 24 | 32.3 |
| 1929 | 30 | 32.3 |
| 1930 | 36 | 33.8 |
| 1931 | 49 | 33.8 |
| 1933 | 32 | 33.8 |
| 1934 | 26 | 33.8 |
| 1935 | 27 | 33.8 |
| 1936 | 23 | 33.8 |
| 1937 | 41 | 33.8 |
| 1938 | 33 | 33.8 |
| 1939 | 37 | 33.8 |
| 1940 | 29 | 34.9 |
| 1941 | 30 | 34.9 |
| 1943 | 41 | 34.9 |
| 1945 | 28 | 34.9 |
| 1946 | 31 | 34.9 |
| 1947 | 46 | 34.9 |
| 1948 | 39 | 34.9 |
| 1949 | 35 | 34.9 |
| 1959 | 37 | 37 |
| 1960 | 30 | 34.3 |
| 1961 | 36 | 34.3 |
| 1962 | 45 | 34.3 |
| 1963 | 30 | 34.3 |
| 1964 | 40 | 34.3 |
| 1966 | 21 | 34.3 |
| 1967 | 44 | 34.3 |
| 1968 | 32 | 34.3 |
| 1969 | 31 | 34.3 |
| 1970 | 31 | 38.3 |
| 1971 | 40 | 38.3 |
| 1972 | 39 | 38.3 |
| 1973 | 41 | 38.3 |
| 1974 | 38 | 38.3 |
| 1975 | 46 | 38.3 |
| 1976 | 45 | 38.3 |
| 1977 | 25 | 38.3 |
| 1978 | 49 | 38.3 |
| 1979 | 29 | 38.3 |
| 1980 | 23 | 39.3 |
| 1981 | 44 | 39.3 |
| 1982 | 31 | 39.3 |
| 1983 | 49 | 39.3 |
| 1984 | 43 | 39.3 |
| 1985 | 34 | 39.3 |
| 1986 | 31 | 39.3 |
| 1987 | 41 | 39.3 |
| 1988 | 51 | 39.3 |
| 1989 | 46 | 39.3 |
| 1990 | 40 | 40 |
| Year | First date | Last date |
|---|---|---|
| 1918 | 1918-01-03 | 1918-12-17 |
| 1919 | 1919-01-14 | 1919-12-17 |
| 1920 | 1920-01-03 | 1920-12-30 |
| 1923 | 1923-01-05 | 1923-12-26 |
| 1924 | 1924-01-07 | 1924-12-25 |
| 1925 | 1925-01-02 | 1925-12-31 |
| 1926 | 1926-01-01 | 1926-12-28 |
| 1927 | 1927-01-04 | 1927-12-29 |
| 1928 | 1928-01-13 | 1928-12-30 |
| 1929 | 1929-01-19 | 1929-12-30 |
| 1930 | 1930-01-20 | 1930-11-24 |
| 1931 | 1931-01-26 | 1931-12-22 |
| 1933 | 1933-01-06 | 1933-12-28 |
| 1934 | 1934-01-02 | 1934-12-29 |
| 1935 | 1935-01-06 | 1935-12-20 |
| 1936 | 1936-01-10 | 1936-12-28 |
| 1937 | 1937-01-11 | 1937-12-20 |
| 1938 | 1938-01-19 | 1938-12-22 |
| 1939 | 1939-01-25 | 1939-12-31 |
| 1940 | 1940-01-05 | 1940-12-21 |
| 1941 | 1941-01-09 | 1941-12-29 |
| 1943 | 1943-01-03 | 1943-12-31 |
| 1945 | 1945-01-01 | 1945-12-08 |
| 1946 | 1946-01-07 | 1946-12-15 |
| 1947 | 1947-01-02 | 1947-12-26 |
| 1948 | 1948-01-03 | 1948-12-31 |
| 1949 | 1949-01-04 | 1949-12-15 |
| 1959 | 1959-02-14 | 1959-12-25 |
| 1960 | 1960-01-20 | 1960-12-16 |
| 1961 | 1961-01-04 | 1961-12-20 |
| 1962 | 1962-01-06 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-31 |
| 1964 | 1964-01-01 | 1964-12-28 |
| 1966 | 1966-02-04 | 1966-12-08 |
| 1967 | 1967-01-02 | 1967-12-29 |
| 1968 | 1968-01-05 | 1968-12-11 |
| 1969 | 1969-01-01 | 1969-12-24 |
| 1970 | 1970-01-02 | 1970-12-28 |
| 1971 | 1971-01-18 | 1971-12-28 |
| 1972 | 1972-01-01 | 1972-12-27 |
| 1973 | 1973-01-01 | 1973-12-21 |
| 1974 | 1974-01-01 | 1974-12-12 |
| 1975 | 1975-01-06 | 1975-12-24 |
| 1976 | 1976-01-10 | 1976-12-24 |
| 1977 | 1977-01-14 | 1977-12-20 |
| 1978 | 1978-01-03 | 1978-12-30 |
| 1979 | 1979-01-16 | 1979-12-24 |
| 1980 | 1980-01-27 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-30 |
| 1982 | 1982-01-06 | 1982-12-20 |
| 1983 | 1983-01-01 | 1983-12-29 |
| 1984 | 1984-01-10 | 1984-12-30 |
| 1985 | 1985-01-08 | 1985-12-27 |
| 1986 | 1986-01-10 | 1986-12-24 |
| 1987 | 1987-01-03 | 1987-12-31 |
| 1988 | 1988-01-05 | 1988-12-20 |
| 1989 | 1989-01-06 | 1989-12-25 |
| 1990 | 1990-02-03 | 1990-12-31 |
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 | 58 | 51 | 1988 | 40 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 58 | 22 | 1975 | 18 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 52 | 8 | 1946 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 22 | 3 | 1928 | 3 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 4 | 1 | 1947 | 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 (2025-12-31).