Olowalu 296.1 Threshold Days by Year (USC00517059)
5 fixed thresholds counted per year at Olowalu 296.1 (USC00517059): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Olowalu 296.1 Thresholds
- Olowalu 296.1: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1918 with 26.
- Olowalu 296.1: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1918 with 17.
- Olowalu 296.1: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1918 with 9.
- Olowalu 296.1: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1918 with 3.
- 5 fixed thresholds have at least one qualifying day at Olowalu 296.1.
Days with 10 mm (0.39 in) or more of precipitation
70 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 22 | 16.7 |
| 1918 | 26 | 16.7 |
| 1919 | 2 | 16.7 |
| 1920 | 5 | 7.3 |
| 1921 | 7 | 7.3 |
| 1922 | 3 | 7.3 |
| 1923 | 14 | 7.3 |
| 1924 | 8 | 7.3 |
| 1925 | 4 | 7.3 |
| 1926 | 3 | 7.3 |
| 1927 | 11 | 7.3 |
| 1929 | 11 | 7.3 |
| 1931 | 2 | 6.5 |
| 1937 | 10 | 6.5 |
| 1938 | 7 | 6.5 |
| 1939 | 7 | 6.5 |
| 1940 | 13 | 7.9 |
| 1941 | 2 | 7.9 |
| 1942 | 8 | 7.9 |
| 1943 | 6 | 7.9 |
| 1944 | 9 | 7.9 |
| 1945 | 6 | 7.9 |
| 1946 | 10 | 7.9 |
| 1948 | 10 | 7.9 |
| 1949 | 7 | 7.9 |
| 1950 | 17 | 8.2 |
| 1951 | 15 | 8.2 |
| 1952 | 5 | 8.2 |
| 1953 | 4 | 8.2 |
| 1954 | 8 | 8.2 |
| 1955 | 8 | 8.2 |
| 1956 | 7 | 8.2 |
| 1957 | 5 | 8.2 |
| 1958 | 6 | 8.2 |
| 1959 | 7 | 8.2 |
| 1960 | 4 | 10.6 |
| 1961 | 10 | 10.6 |
| 1962 | 5 | 10.6 |
| 1963 | 13 | 10.6 |
| 1965 | 13 | 10.6 |
| 1966 | 8 | 10.6 |
| 1967 | 12 | 10.6 |
| 1968 | 23 | 10.6 |
| 1969 | 7 | 10.6 |
| 1970 | 8 | 8 |
| 1971 | 7 | 8 |
| 1972 | 7 | 8 |
| 1973 | 6 | 8 |
| 1974 | 14 | 8 |
| 1975 | 6 | 8 |
| 1976 | 5 | 8 |
| 1977 | 3 | 8 |
| 1978 | 8 | 8 |
| 1979 | 16 | 8 |
| 1980 | 16 | 7.1 |
| 1981 | 6 | 7.1 |
| 1982 | 13 | 7.1 |
| 1983 | 2 | 7.1 |
| 1984 | 3 | 7.1 |
| 1985 | 7 | 7.1 |
| 1986 | 4 | 7.1 |
| 1988 | 4 | 7.1 |
| 1989 | 9 | 7.1 |
| 1991 | 4 | 3 |
| 1993 | 3 | 3 |
| 1994 | 4 | 3 |
| 1995 | 3 | 3 |
| 1998 | 1 | 3 |
| 2000 | 2 | 2 |
| 2001 | 2 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-01-10 | 1917-12-28 |
| 1918 | 1918-01-04 | 1918-12-20 |
| 1919 | 1919-11-06 | 1919-12-04 |
| 1920 | 1920-01-10 | 1920-12-25 |
| 1921 | 1921-01-12 | 1921-12-22 |
| 1922 | 1922-01-31 | 1922-03-17 |
| 1923 | 1923-01-20 | 1923-12-25 |
| 1924 | 1924-03-24 | 1924-12-21 |
| 1925 | 1925-03-13 | 1925-12-19 |
| 1926 | 1926-03-27 | 1926-12-18 |
| 1927 | 1927-01-10 | 1927-12-28 |
| 1929 | 1929-01-18 | 1929-12-17 |
| 1931 | 1931-03-02 | 1931-10-28 |
| 1937 | 1937-01-29 | 1937-12-12 |
| 1938 | 1938-01-28 | 1938-08-18 |
| 1939 | 1939-03-02 | 1939-12-27 |
| 1940 | 1940-01-07 | 1940-11-20 |
| 1941 | 1941-10-22 | 1941-10-23 |
| 1942 | 1942-03-08 | 1942-12-09 |
| 1943 | 1943-01-04 | 1943-02-28 |
| 1944 | 1944-02-26 | 1944-12-27 |
| 1945 | 1945-04-07 | 1945-05-26 |
| 1946 | 1946-01-23 | 1946-12-26 |
| 1948 | 1948-01-24 | 1948-11-08 |
| 1949 | 1949-01-08 | 1949-02-09 |
| 1950 | 1950-01-10 | 1950-12-04 |
| 1951 | 1951-01-01 | 1951-12-14 |
| 1952 | 1952-01-01 | 1952-10-18 |
| 1953 | 1953-02-19 | 1953-12-28 |
| 1954 | 1954-01-05 | 1954-12-17 |
| 1955 | 1955-02-24 | 1955-12-22 |
| 1956 | 1956-01-12 | 1956-12-07 |
| 1957 | 1957-01-16 | 1957-12-07 |
| 1958 | 1958-03-01 | 1958-12-30 |
| 1959 | 1959-01-08 | 1959-11-01 |
| 1960 | 1960-01-29 | 1960-12-05 |
| 1961 | 1961-01-02 | 1961-12-06 |
| 1962 | 1962-01-08 | 1962-05-04 |
| 1963 | 1963-01-07 | 1963-09-17 |
| 1965 | 1965-01-05 | 1965-11-15 |
| 1966 | 1966-02-08 | 1966-12-07 |
| 1967 | 1967-01-12 | 1967-12-19 |
| 1968 | 1968-01-17 | 1968-12-30 |
| 1969 | 1969-01-03 | 1969-01-10 |
| 1970 | 1970-01-07 | 1970-11-28 |
| 1971 | 1971-01-05 | 1971-03-22 |
| 1972 | 1972-01-25 | 1972-12-19 |
| 1973 | 1973-11-12 | 1973-12-31 |
| 1974 | 1974-01-04 | 1974-11-17 |
| 1975 | 1975-01-12 | 1975-11-25 |
| 1976 | 1976-01-31 | 1976-03-05 |
| 1977 | 1977-04-02 | 1977-12-07 |
| 1978 | 1978-03-01 | 1978-12-05 |
| 1979 | 1979-01-10 | 1979-10-09 |
| 1980 | 1980-01-03 | 1980-12-26 |
| 1981 | 1981-01-05 | 1981-12-26 |
| 1982 | 1982-01-04 | 1982-10-28 |
| 1983 | 1983-12-16 | 1983-12-27 |
| 1984 | 1984-01-18 | 1984-11-27 |
| 1985 | 1985-01-15 | 1985-11-20 |
| 1986 | 1986-02-05 | 1986-11-12 |
| 1988 | 1988-12-06 | 1988-12-16 |
| 1989 | 1989-02-03 | 1989-12-01 |
| 1991 | 1991-03-21 | 1991-10-16 |
| 1993 | 1993-01-05 | 1993-10-26 |
| 1994 | 1994-02-14 | 1994-03-25 |
| 1995 | 1995-02-15 | 1995-12-07 |
| 1998 | 1998-01-06 | 1998-01-06 |
| 2000 | 2000-11-02 | 2000-11-03 |
| 2001 | 2001-01-03 | 2001-11-29 |
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 | 70 | 26 | 1918 | 2 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 65 | 17 | 1918 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 45 | 9 | 1918 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 14 | 3 | 1918 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 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 1917.
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).