Rooirivier (Bos) Threshold Days by Year (SF000295420)
3 fixed thresholds counted per year at Rooirivier (Bos) (SF000295420): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rooirivier (Bos) Thresholds
- Rooirivier (Bos): days with 10 mm (0.39 in) or more of precipitation in 74 years, most in 1996 with 19.
- Rooirivier (Bos): days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1981 with 6.
- Rooirivier (Bos): days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1981 with 2.
- 3 fixed thresholds have at least one qualifying day at Rooirivier (Bos).
Days with 10 mm (0.39 in) or more of precipitation
74 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1923 | 6 | 6.2 |
| 1924 | 4 | 6.2 |
| 1925 | 12 | 6.2 |
| 1926 | 4 | 6.2 |
| 1927 | 3 | 6.2 |
| 1929 | 8 | 6.2 |
| 1930 | 5 | 7 |
| 1931 | 8 | 7 |
| 1932 | 8 | 7 |
| 1933 | 6 | 7 |
| 1934 | 5 | 7 |
| 1935 | 9 | 7 |
| 1936 | 10 | 7 |
| 1937 | 7 | 7 |
| 1938 | 7 | 7 |
| 1939 | 5 | 7 |
| 1940 | 6 | 7.5 |
| 1941 | 7 | 7.5 |
| 1942 | 4 | 7.5 |
| 1943 | 12 | 7.5 |
| 1944 | 10 | 7.5 |
| 1945 | 12 | 7.5 |
| 1946 | 5 | 7.5 |
| 1947 | 5 | 7.5 |
| 1948 | 8 | 7.5 |
| 1949 | 6 | 7.5 |
| 1950 | 6 | 8.2 |
| 1951 | 4 | 8.2 |
| 1952 | 9 | 8.2 |
| 1953 | 10 | 8.2 |
| 1954 | 11 | 8.2 |
| 1955 | 8 | 8.2 |
| 1956 | 11 | 8.2 |
| 1957 | 7 | 8.2 |
| 1958 | 2 | 8.2 |
| 1959 | 14 | 8.2 |
| 1960 | 4 | 6.8 |
| 1961 | 8 | 6.8 |
| 1962 | 4 | 6.8 |
| 1963 | 8 | 6.8 |
| 1964 | 12 | 6.8 |
| 1965 | 8 | 6.8 |
| 1966 | 1 | 6.8 |
| 1967 | 10 | 6.8 |
| 1968 | 10 | 6.8 |
| 1969 | 3 | 6.8 |
| 1970 | 4 | 9.4 |
| 1971 | 9 | 9.4 |
| 1972 | 12 | 9.4 |
| 1973 | 4 | 9.4 |
| 1974 | 12 | 9.4 |
| 1975 | 11 | 9.4 |
| 1976 | 17 | 9.4 |
| 1977 | 11 | 9.4 |
| 1978 | 6 | 9.4 |
| 1979 | 8 | 9.4 |
| 1980 | 8 | 8.1 |
| 1981 | 14 | 8.1 |
| 1982 | 9 | 8.1 |
| 1983 | 8 | 8.1 |
| 1984 | 5 | 8.1 |
| 1985 | 15 | 8.1 |
| 1986 | 6 | 8.1 |
| 1987 | 2 | 8.1 |
| 1988 | 7 | 8.1 |
| 1989 | 7 | 8.1 |
| 1990 | 5 | 9.5 |
| 1991 | 5 | 9.5 |
| 1992 | 6 | 9.5 |
| 1993 | 7 | 9.5 |
| 1994 | 10 | 9.5 |
| 1995 | 15 | 9.5 |
| 1996 | 19 | 9.5 |
| 1997 | 9 | 9.5 |
| Year | First date | Last date |
|---|---|---|
| 1923 | 1923-03-27 | 1923-11-13 |
| 1924 | 1924-01-10 | 1924-09-08 |
| 1925 | 1925-01-20 | 1925-10-22 |
| 1926 | 1926-07-20 | 1926-11-27 |
| 1927 | 1927-05-14 | 1927-12-02 |
| 1929 | 1929-02-11 | 1929-12-28 |
| 1930 | 1930-02-13 | 1930-08-10 |
| 1931 | 1931-01-30 | 1931-12-31 |
| 1932 | 1932-02-09 | 1932-10-24 |
| 1933 | 1933-03-20 | 1933-11-26 |
| 1934 | 1934-03-24 | 1934-11-11 |
| 1935 | 1935-02-28 | 1935-12-31 |
| 1936 | 1936-03-27 | 1936-12-12 |
| 1937 | 1937-01-26 | 1937-11-14 |
| 1938 | 1938-03-25 | 1938-11-14 |
| 1939 | 1939-02-15 | 1939-08-22 |
| 1940 | 1940-01-27 | 1940-03-17 |
| 1941 | 1941-02-27 | 1941-12-23 |
| 1942 | 1942-04-15 | 1942-10-21 |
| 1943 | 1943-02-12 | 1943-12-30 |
| 1944 | 1944-05-12 | 1944-11-30 |
| 1945 | 1945-04-27 | 1945-10-04 |
| 1946 | 1946-03-21 | 1946-10-13 |
| 1947 | 1947-03-20 | 1947-07-14 |
| 1948 | 1948-01-06 | 1948-12-20 |
| 1949 | 1949-01-13 | 1949-11-16 |
| 1950 | 1950-02-23 | 1950-11-10 |
| 1951 | 1951-01-11 | 1951-08-30 |
| 1952 | 1952-02-06 | 1952-12-15 |
| 1953 | 1953-02-07 | 1953-12-20 |
| 1954 | 1954-03-12 | 1954-11-05 |
| 1955 | 1955-02-17 | 1955-11-29 |
| 1956 | 1956-01-16 | 1956-12-19 |
| 1957 | 1957-01-10 | 1957-10-02 |
| 1958 | 1958-04-19 | 1958-09-01 |
| 1959 | 1959-01-04 | 1959-10-30 |
| 1960 | 1960-01-04 | 1960-06-20 |
| 1961 | 1961-01-25 | 1961-10-08 |
| 1962 | 1962-01-18 | 1962-08-26 |
| 1963 | 1963-03-10 | 1963-11-27 |
| 1964 | 1964-03-25 | 1964-12-07 |
| 1965 | 1965-03-24 | 1965-12-17 |
| 1966 | 1966-03-20 | 1966-03-20 |
| 1967 | 1967-02-15 | 1967-10-14 |
| 1968 | 1968-04-06 | 1968-11-13 |
| 1969 | 1969-04-09 | 1969-08-20 |
| 1970 | 1970-08-24 | 1970-12-06 |
| 1971 | 1971-01-09 | 1971-08-21 |
| 1972 | 1972-01-05 | 1972-09-19 |
| 1973 | 1973-03-18 | 1973-11-24 |
| 1974 | 1974-01-15 | 1974-12-18 |
| 1975 | 1975-01-31 | 1975-08-31 |
| 1976 | 1976-01-04 | 1976-12-30 |
| 1977 | 1977-02-11 | 1977-11-30 |
| 1978 | 1978-01-09 | 1978-12-09 |
| 1979 | 1979-02-28 | 1979-10-10 |
| 1980 | 1980-03-13 | 1980-11-30 |
| 1981 | 1981-01-23 | 1981-10-16 |
| 1982 | 1982-04-06 | 1982-10-11 |
| 1983 | 1983-05-15 | 1983-10-02 |
| 1984 | 1984-03-10 | 1984-12-04 |
| 1985 | 1985-01-13 | 1985-12-20 |
| 1986 | 1986-01-27 | 1986-11-25 |
| 1987 | 1987-04-19 | 1987-09-22 |
| 1988 | 1988-02-18 | 1988-12-28 |
| 1989 | 1989-01-29 | 1989-11-15 |
| 1990 | 1990-01-15 | 1990-06-28 |
| 1991 | 1991-01-26 | 1991-10-30 |
| 1992 | 1992-02-12 | 1992-09-05 |
| 1993 | 1993-02-14 | 1993-12-23 |
| 1994 | 1994-01-19 | 1994-12-24 |
| 1995 | 1995-01-19 | 1995-12-24 |
| 1996 | 1996-02-13 | 1996-12-27 |
| 1997 | 1997-01-05 | 1997-11-15 |
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 | 74 | 19 | 1996 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 61 | 6 | 1981 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 2 | 1981 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.
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).