Bookaloo Threshold Days by Year
4 fixed thresholds counted per year at Bookaloo (ASN00016002): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bookaloo Thresholds
- Bookaloo: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1974 with 15.
- Bookaloo: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1974 with 8.
- Bookaloo: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1921 with 2.
- Bookaloo: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1921 with 2.
- 4 fixed thresholds have at least one qualifying day at Bookaloo.
Days with 10 mm (0.39 in) or more of precipitation
71 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1899 | 5 | 5 |
| 1900 | 2 | 5.3 |
| 1901 | 1 | 5.3 |
| 1903 | 6 | 5.3 |
| 1904 | 7 | 5.3 |
| 1905 | 2 | 5.3 |
| 1906 | 9 | 5.3 |
| 1907 | 10 | 5.3 |
| 1910 | 12 | 6.2 |
| 1911 | 3 | 6.2 |
| 1912 | 6 | 6.2 |
| 1914 | 3 | 6.2 |
| 1916 | 8 | 6.2 |
| 1917 | 5 | 6.2 |
| 1921 | 7 | 5 |
| 1922 | 5 | 5 |
| 1923 | 5 | 5 |
| 1924 | 7 | 5 |
| 1925 | 6 | 5 |
| 1926 | 5 | 5 |
| 1927 | 2 | 5 |
| 1929 | 3 | 5 |
| 1930 | 6 | 5.3 |
| 1931 | 5 | 5.3 |
| 1932 | 7 | 5.3 |
| 1933 | 5 | 5.3 |
| 1934 | 2 | 5.3 |
| 1936 | 5 | 5.3 |
| 1937 | 6 | 5.3 |
| 1939 | 6 | 5.3 |
| 1940 | 4 | 4.9 |
| 1941 | 7 | 4.9 |
| 1942 | 3 | 4.9 |
| 1943 | 2 | 4.9 |
| 1944 | 2 | 4.9 |
| 1945 | 7 | 4.9 |
| 1946 | 8 | 4.9 |
| 1947 | 9 | 4.9 |
| 1948 | 2 | 4.9 |
| 1949 | 5 | 4.9 |
| 1950 | 7 | 5.4 |
| 1951 | 5 | 5.4 |
| 1952 | 6 | 5.4 |
| 1953 | 1 | 5.4 |
| 1954 | 7 | 5.4 |
| 1955 | 8 | 5.4 |
| 1956 | 6 | 5.4 |
| 1959 | 3 | 5.4 |
| 1960 | 6 | 5.4 |
| 1961 | 6 | 5.4 |
| 1962 | 4 | 5.4 |
| 1963 | 8 | 5.4 |
| 1964 | 5 | 5.4 |
| 1965 | 2 | 5.4 |
| 1966 | 5 | 5.4 |
| 1967 | 4 | 5.4 |
| 1968 | 11 | 5.4 |
| 1969 | 3 | 5.4 |
| 1970 | 2 | 6.9 |
| 1971 | 8 | 6.9 |
| 1972 | 3 | 6.9 |
| 1973 | 13 | 6.9 |
| 1974 | 15 | 6.9 |
| 1975 | 6 | 6.9 |
| 1976 | 5 | 6.9 |
| 1977 | 4 | 6.9 |
| 1978 | 3 | 6.9 |
| 1979 | 10 | 6.9 |
| 1980 | 5 | 3.3 |
| 1981 | 4 | 3.3 |
| 1983 | 1 | 3.3 |
| Year | First date | Last date |
|---|---|---|
| 1899 | 1899-02-25 | 1899-06-22 |
| 1900 | 1900-03-28 | 1900-08-29 |
| 1901 | 1901-02-26 | 1901-02-26 |
| 1903 | 1903-03-08 | 1903-11-27 |
| 1904 | 1904-02-18 | 1904-12-16 |
| 1905 | 1905-05-07 | 1905-06-29 |
| 1906 | 1906-03-08 | 1906-12-13 |
| 1907 | 1907-06-01 | 1907-11-03 |
| 1910 | 1910-03-05 | 1910-10-04 |
| 1911 | 1911-05-10 | 1911-12-01 |
| 1912 | 1912-02-23 | 1912-12-03 |
| 1914 | 1914-01-25 | 1914-12-23 |
| 1916 | 1916-07-18 | 1916-12-02 |
| 1917 | 1917-01-11 | 1917-11-21 |
| 1921 | 1921-02-26 | 1921-10-12 |
| 1922 | 1922-04-30 | 1922-12-09 |
| 1923 | 1923-05-04 | 1923-12-18 |
| 1924 | 1924-01-03 | 1924-12-15 |
| 1925 | 1925-02-06 | 1925-11-18 |
| 1926 | 1926-03-20 | 1926-09-24 |
| 1927 | 1927-06-09 | 1927-06-18 |
| 1929 | 1929-06-02 | 1929-12-25 |
| 1930 | 1930-07-03 | 1930-12-05 |
| 1931 | 1931-03-13 | 1931-08-04 |
| 1932 | 1932-02-05 | 1932-10-25 |
| 1933 | 1933-03-05 | 1933-11-28 |
| 1934 | 1934-02-15 | 1934-11-06 |
| 1936 | 1936-01-07 | 1936-10-09 |
| 1937 | 1937-01-08 | 1937-12-02 |
| 1939 | 1939-02-25 | 1939-11-03 |
| 1940 | 1940-01-05 | 1940-05-10 |
| 1941 | 1941-01-03 | 1941-07-09 |
| 1942 | 1942-06-13 | 1942-08-30 |
| 1943 | 1943-02-17 | 1943-02-18 |
| 1944 | 1944-02-06 | 1944-12-20 |
| 1945 | 1945-01-09 | 1945-12-16 |
| 1946 | 1946-02-09 | 1946-12-25 |
| 1947 | 1947-02-18 | 1947-12-04 |
| 1948 | 1948-12-24 | 1948-12-25 |
| 1949 | 1949-01-29 | 1949-10-09 |
| 1950 | 1950-02-02 | 1950-12-20 |
| 1951 | 1951-06-10 | 1951-07-31 |
| 1952 | 1952-01-24 | 1952-10-26 |
| 1953 | 1953-12-06 | 1953-12-06 |
| 1954 | 1954-04-14 | 1954-11-01 |
| 1955 | 1955-03-22 | 1955-11-19 |
| 1956 | 1956-02-07 | 1956-10-15 |
| 1959 | 1959-03-31 | 1959-12-08 |
| 1960 | 1960-01-17 | 1960-09-13 |
| 1961 | 1961-01-01 | 1961-11-18 |
| 1962 | 1962-01-17 | 1962-12-25 |
| 1963 | 1963-03-22 | 1963-06-15 |
| 1964 | 1964-08-23 | 1964-09-27 |
| 1965 | 1965-07-02 | 1965-12-22 |
| 1966 | 1966-02-14 | 1966-12-02 |
| 1967 | 1967-01-25 | 1967-02-24 |
| 1968 | 1968-01-18 | 1968-11-06 |
| 1969 | 1969-01-14 | 1969-07-11 |
| 1970 | 1970-08-27 | 1970-09-26 |
| 1971 | 1971-02-22 | 1971-12-09 |
| 1972 | 1972-01-16 | 1972-10-14 |
| 1973 | 1973-02-03 | 1973-12-29 |
| 1974 | 1974-01-29 | 1974-10-23 |
| 1975 | 1975-03-17 | 1975-12-13 |
| 1976 | 1976-01-10 | 1976-10-12 |
| 1977 | 1977-06-18 | 1977-11-28 |
| 1978 | 1978-06-26 | 1978-11-18 |
| 1979 | 1979-01-20 | 1979-12-30 |
| 1980 | 1980-04-21 | 1980-06-08 |
| 1981 | 1981-01-27 | 1981-08-07 |
| 1983 | 1983-08-25 | 1983-08-25 |
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 | 71 | 15 | 1974 | 1 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 43 | 8 | 1974 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 2 | 1921 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 2 | 1921 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).