Zonia Downs Threshold Days by Year (ASN00029051)
5 fixed thresholds counted per year at Zonia Downs (ASN00029051): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Zonia Downs Thresholds
- Zonia Downs: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1974 with 42.
- Zonia Downs: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1974 with 19.
- Zonia Downs: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 2009 with 7.
- Zonia Downs: days with 100 mm (3.94 in) or more of precipitation in 12 years, most in 1972 with 3.
- 5 fixed thresholds have at least one qualifying day at Zonia Downs.
Days with 10 mm (0.39 in) or more of precipitation
71 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1925 | 11 | 9.8 |
| 1926 | 8 | 9.8 |
| 1927 | 9 | 9.8 |
| 1928 | 8 | 9.8 |
| 1929 | 13 | 9.8 |
| 1930 | 18 | 13.3 |
| 1931 | 5 | 13.3 |
| 1932 | 7 | 13.3 |
| 1933 | 23 | 13.3 |
| 1948 | 6 | 7.5 |
| 1949 | 9 | 7.5 |
| 1950 | 23 | 17.4 |
| 1951 | 18 | 17.4 |
| 1952 | 7 | 17.4 |
| 1953 | 15 | 17.4 |
| 1954 | 14 | 17.4 |
| 1955 | 21 | 17.4 |
| 1956 | 24 | 17.4 |
| 1957 | 18 | 17.4 |
| 1958 | 18 | 17.4 |
| 1959 | 16 | 17.4 |
| 1960 | 14 | 12.3 |
| 1961 | 8 | 12.3 |
| 1962 | 11 | 12.3 |
| 1963 | 10 | 12.3 |
| 1964 | 16 | 12.3 |
| 1965 | 12 | 12.3 |
| 1966 | 10 | 12.3 |
| 1967 | 12 | 12.3 |
| 1968 | 20 | 12.3 |
| 1969 | 10 | 12.3 |
| 1970 | 13 | 19.8 |
| 1971 | 20 | 19.8 |
| 1972 | 15 | 19.8 |
| 1973 | 22 | 19.8 |
| 1974 | 42 | 19.8 |
| 1975 | 18 | 19.8 |
| 1976 | 14 | 19.8 |
| 1977 | 19 | 19.8 |
| 1978 | 16 | 19.8 |
| 1979 | 19 | 19.8 |
| 1980 | 11 | 14.5 |
| 1981 | 25 | 14.5 |
| 1982 | 10 | 14.5 |
| 1983 | 15 | 14.5 |
| 1984 | 18 | 14.5 |
| 1985 | 11 | 14.5 |
| 1986 | 10 | 14.5 |
| 1987 | 16 | 14.5 |
| 1988 | 12 | 14.5 |
| 1989 | 17 | 14.5 |
| 1990 | 14 | 15.3 |
| 1991 | 15 | 15.3 |
| 1992 | 12 | 15.3 |
| 1993 | 15 | 15.3 |
| 1995 | 15 | 15.3 |
| 1996 | 11 | 15.3 |
| 1997 | 23 | 15.3 |
| 1998 | 16 | 15.3 |
| 1999 | 17 | 15.3 |
| 2000 | 25 | 14.1 |
| 2001 | 10 | 14.1 |
| 2002 | 5 | 14.1 |
| 2003 | 12 | 14.1 |
| 2004 | 14 | 14.1 |
| 2005 | 10 | 14.1 |
| 2006 | 14 | 14.1 |
| 2007 | 17 | 14.1 |
| 2008 | 9 | 14.1 |
| 2009 | 25 | 14.1 |
| 2013 | 10 | 10 |
| Year | First date | Last date |
|---|---|---|
| 1925 | 1925-01-20 | 1925-12-23 |
| 1926 | 1926-01-13 | 1926-12-21 |
| 1927 | 1927-01-12 | 1927-06-11 |
| 1928 | 1928-02-02 | 1928-12-18 |
| 1929 | 1929-01-06 | 1929-12-10 |
| 1930 | 1930-01-23 | 1930-12-06 |
| 1931 | 1931-01-10 | 1931-12-04 |
| 1932 | 1932-01-20 | 1932-12-25 |
| 1933 | 1933-01-20 | 1933-12-14 |
| 1948 | 1948-01-02 | 1948-12-29 |
| 1949 | 1949-01-22 | 1949-12-22 |
| 1950 | 1950-01-17 | 1950-12-31 |
| 1951 | 1951-01-02 | 1951-12-29 |
| 1952 | 1952-01-16 | 1952-12-31 |
| 1953 | 1953-01-09 | 1953-12-31 |
| 1954 | 1954-01-15 | 1954-12-11 |
| 1955 | 1955-01-21 | 1955-12-17 |
| 1956 | 1956-01-06 | 1956-12-21 |
| 1957 | 1957-01-07 | 1957-12-06 |
| 1958 | 1958-01-02 | 1958-12-26 |
| 1959 | 1959-01-10 | 1959-12-18 |
| 1960 | 1960-02-11 | 1960-12-29 |
| 1961 | 1961-01-02 | 1961-12-15 |
| 1962 | 1962-01-03 | 1962-12-23 |
| 1963 | 1963-01-26 | 1963-04-05 |
| 1964 | 1964-01-01 | 1964-12-29 |
| 1965 | 1965-01-25 | 1965-12-24 |
| 1966 | 1966-01-06 | 1966-12-11 |
| 1967 | 1967-01-16 | 1967-12-27 |
| 1968 | 1968-01-04 | 1968-12-24 |
| 1969 | 1969-01-16 | 1969-12-24 |
| 1970 | 1970-01-13 | 1970-11-10 |
| 1971 | 1971-01-16 | 1971-12-26 |
| 1972 | 1972-01-09 | 1972-12-31 |
| 1973 | 1973-01-10 | 1973-12-30 |
| 1974 | 1974-01-02 | 1974-12-30 |
| 1975 | 1975-01-10 | 1975-12-31 |
| 1976 | 1976-01-07 | 1976-12-21 |
| 1977 | 1977-01-07 | 1977-12-21 |
| 1978 | 1978-01-06 | 1978-12-24 |
| 1979 | 1979-01-19 | 1979-11-24 |
| 1980 | 1980-01-02 | 1980-12-27 |
| 1981 | 1981-01-03 | 1981-11-30 |
| 1982 | 1982-01-07 | 1982-12-16 |
| 1983 | 1983-01-02 | 1983-12-30 |
| 1984 | 1984-01-04 | 1984-12-11 |
| 1985 | 1985-02-03 | 1985-12-08 |
| 1986 | 1986-02-03 | 1986-12-26 |
| 1987 | 1987-01-02 | 1987-12-27 |
| 1988 | 1988-01-26 | 1988-12-27 |
| 1989 | 1989-02-02 | 1989-12-15 |
| 1990 | 1990-01-16 | 1990-12-08 |
| 1991 | 1991-01-09 | 1991-12-08 |
| 1992 | 1992-01-28 | 1992-12-17 |
| 1993 | 1993-01-13 | 1993-12-24 |
| 1995 | 1995-01-07 | 1995-12-31 |
| 1996 | 1996-01-02 | 1996-12-07 |
| 1997 | 1997-01-11 | 1997-12-29 |
| 1998 | 1998-01-09 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-27 |
| 2000 | 2000-01-20 | 2000-12-28 |
| 2001 | 2001-01-26 | 2001-12-16 |
| 2002 | 2002-02-14 | 2002-08-19 |
| 2003 | 2003-01-01 | 2003-12-05 |
| 2004 | 2004-01-10 | 2004-12-25 |
| 2005 | 2005-01-05 | 2005-11-24 |
| 2006 | 2006-01-10 | 2006-12-08 |
| 2007 | 2007-01-06 | 2007-12-23 |
| 2008 | 2008-01-09 | 2008-12-15 |
| 2009 | 2009-01-01 | 2009-12-31 |
| 2013 | 2013-01-11 | 2013-12-29 |
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 | 71 | 42 | 1974 | 10 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 71 | 19 | 1974 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 65 | 7 | 2009 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 3 | 1972 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1972 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.
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).