Valparaiso Wtr Wks Threshold Days by Year (USC00128999)
19 fixed thresholds counted per year at Valparaiso Wtr Wks (USC00128999): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Valparaiso Wtr Wks Thresholds
- Valparaiso Wtr Wks: nights with a minimum temperature at or below 0 C (32 F) in 100 years, most in 1926 with 157.
- Valparaiso Wtr Wks: nights with a minimum temperature at or below -10 C (14 F) in 100 years, most in 1978 with 60.
- Valparaiso Wtr Wks: nights with a minimum temperature at or above 20 C (68 F) in 100 years, most in 1995 with 39.
- Valparaiso Wtr Wks: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1957 with 44.
- 19 fixed thresholds have at least one qualifying day at Valparaiso Wtr Wks.
Days at or above 30 C (86 F)
98 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1894 | 49 | 50.5 |
| 1895 | 60 | 50.5 |
| 1896 | 43 | 50.5 |
| 1897 | 49 | 50.5 |
| 1898 | 43 | 50.5 |
| 1899 | 59 | 50.5 |
| 1900 | 51 | 40 |
| 1903 | 27 | 40 |
| 1904 | 38 | 40 |
| 1905 | 44 | 40 |
| 1915 | 10 | 29.6 |
| 1916 | 41 | 29.6 |
| 1917 | 16 | 29.6 |
| 1918 | 31 | 29.6 |
| 1919 | 50 | 29.6 |
| 1920 | 35 | 36.9 |
| 1921 | 66 | 36.9 |
| 1922 | 53 | 36.9 |
| 1923 | 39 | 36.9 |
| 1924 | 17 | 36.9 |
| 1925 | 52 | 36.9 |
| 1926 | 22 | 36.9 |
| 1927 | 26 | 36.9 |
| 1928 | 27 | 36.9 |
| 1929 | 32 | 36.9 |
| 1930 | 46 | 44.1 |
| 1931 | 54 | 44.1 |
| 1932 | 37 | 44.1 |
| 1933 | 58 | 44.1 |
| 1934 | 56 | 44.1 |
| 1935 | 27 | 44.1 |
| 1936 | 49 | 44.1 |
| 1937 | 47 | 44.1 |
| 1938 | 25 | 44.1 |
| 1939 | 42 | 44.1 |
| 1940 | 38 | 40.1 |
| 1941 | 48 | 40.1 |
| 1942 | 36 | 40.1 |
| 1943 | 41 | 40.1 |
| 1944 | 48 | 40.1 |
| 1945 | 23 | 40.1 |
| 1946 | 40 | 40.1 |
| 1947 | 46 | 40.1 |
| 1948 | 41 | 40.1 |
| 1949 | 40 | 40.1 |
| 1950 | 16 | 34.7 |
| 1951 | 12 | 34.7 |
| 1952 | 42 | 34.7 |
| 1953 | 53 | 34.7 |
| 1954 | 44 | 34.7 |
| 1955 | 50 | 34.7 |
| 1956 | 42 | 34.7 |
| 1957 | 27 | 34.7 |
| 1958 | 13 | 34.7 |
| 1959 | 48 | 34.7 |
| 1960 | 28 | 33.9 |
| 1961 | 28 | 33.9 |
| 1962 | 36 | 33.9 |
| 1963 | 32 | 33.9 |
| 1964 | 48 | 33.9 |
| 1965 | 24 | 33.9 |
| 1966 | 44 | 33.9 |
| 1967 | 22 | 33.9 |
| 1968 | 37 | 33.9 |
| 1969 | 40 | 33.9 |
| 1970 | 36 | 31.3 |
| 1971 | 32 | 31.3 |
| 1972 | 26 | 31.3 |
| 1973 | 26 | 31.3 |
| 1974 | 23 | 31.3 |
| 1975 | 33 | 31.3 |
| 1976 | 25 | 31.3 |
| 1977 | 40 | 31.3 |
| 1978 | 43 | 31.3 |
| 1979 | 29 | 31.3 |
| 1980 | 38 | 32.1 |
| 1981 | 11 | 32.1 |
| 1982 | 20 | 32.1 |
| 1983 | 55 | 32.1 |
| 1985 | 19 | 32.1 |
| 1986 | 23 | 32.1 |
| 1987 | 42 | 32.1 |
| 1988 | 63 | 32.1 |
| 1989 | 18 | 32.1 |
| 1990 | 26 | 28.3 |
| 1991 | 51 | 28.3 |
| 1992 | 7 | 28.3 |
| 1993 | 18 | 28.3 |
| 1994 | 16 | 28.3 |
| 1995 | 43 | 28.3 |
| 1996 | 23 | 28.3 |
| 1997 | 23 | 28.3 |
| 1998 | 36 | 28.3 |
| 1999 | 40 | 28.3 |
| 2000 | 20 | 22.3 |
| 2002 | 44 | 22.3 |
| 2003 | 20 | 22.3 |
| 2004 | 5 | 22.3 |
| Year | First date | Last date |
|---|---|---|
| 1894 | 1894-05-17 | 1894-09-10 |
| 1895 | 1895-05-04 | 1895-09-22 |
| 1896 | 1896-04-16 | 1896-09-10 |
| 1897 | 1897-05-12 | 1897-10-15 |
| 1898 | 1898-06-04 | 1898-10-03 |
| 1899 | 1899-04-29 | 1899-10-15 |
| 1900 | 1900-04-29 | 1900-10-06 |
| 1903 | 1903-05-17 | 1903-09-12 |
| 1904 | 1904-05-25 | 1904-09-17 |
| 1905 | 1905-06-04 | 1905-09-29 |
| 1915 | 1915-04-26 | 1915-09-16 |
| 1916 | 1916-05-25 | 1916-09-11 |
| 1917 | 1917-05-19 | 1917-08-20 |
| 1918 | 1918-05-25 | 1918-08-25 |
| 1919 | 1919-05-30 | 1919-09-20 |
| 1920 | 1920-06-09 | 1920-09-26 |
| 1921 | 1921-05-20 | 1921-09-29 |
| 1922 | 1922-05-10 | 1922-10-05 |
| 1923 | 1923-05-29 | 1923-08-31 |
| 1924 | 1924-06-19 | 1924-09-21 |
| 1925 | 1925-05-22 | 1925-09-19 |
| 1926 | 1926-05-07 | 1926-08-29 |
| 1927 | 1927-06-25 | 1927-09-17 |
| 1928 | 1928-05-03 | 1928-10-11 |
| 1929 | 1929-05-29 | 1929-09-28 |
| 1930 | 1930-04-10 | 1930-10-12 |
| 1931 | 1931-05-18 | 1931-10-01 |
| 1932 | 1932-05-14 | 1932-09-15 |
| 1933 | 1933-06-02 | 1933-09-25 |
| 1934 | 1934-05-06 | 1934-08-18 |
| 1935 | 1935-06-13 | 1935-09-24 |
| 1936 | 1936-05-09 | 1936-09-22 |
| 1937 | 1937-05-30 | 1937-09-24 |
| 1938 | 1938-05-03 | 1938-09-12 |
| 1939 | 1939-05-25 | 1939-09-28 |
| 1940 | 1940-06-05 | 1940-09-21 |
| 1941 | 1941-05-20 | 1941-09-24 |
| 1942 | 1942-04-30 | 1942-09-18 |
| 1943 | 1943-06-02 | 1943-09-05 |
| 1944 | 1944-05-15 | 1944-09-19 |
| 1945 | 1945-06-23 | 1945-09-23 |
| 1946 | 1946-06-08 | 1946-10-06 |
| 1947 | 1947-06-05 | 1947-10-15 |
| 1948 | 1948-06-02 | 1948-09-19 |
| 1949 | 1949-05-04 | 1949-10-10 |
| 1950 | 1950-05-24 | 1950-08-26 |
| 1951 | 1951-05-19 | 1951-10-04 |
| 1952 | 1952-05-04 | 1952-09-13 |
| 1953 | 1953-05-29 | 1953-10-19 |
| 1954 | 1954-05-31 | 1954-09-27 |
| 1955 | 1955-05-03 | 1955-09-19 |
| 1956 | 1956-05-12 | 1956-09-23 |
| 1957 | 1957-06-16 | 1957-09-01 |
| 1958 | 1958-07-01 | 1958-09-25 |
| 1959 | 1959-05-02 | 1959-09-22 |
| 1960 | 1960-06-04 | 1960-09-09 |
| 1961 | 1961-06-11 | 1961-09-22 |
| 1962 | 1962-05-14 | 1962-09-14 |
| 1963 | 1963-05-08 | 1963-10-06 |
| 1964 | 1964-05-18 | 1964-09-10 |
| 1965 | 1965-05-24 | 1965-09-19 |
| 1966 | 1966-05-27 | 1966-09-03 |
| 1967 | 1967-05-25 | 1967-10-04 |
| 1968 | 1968-06-06 | 1968-09-03 |
| 1969 | 1969-05-15 | 1969-09-01 |
| 1970 | 1970-05-20 | 1970-09-21 |
| 1971 | 1971-05-17 | 1971-10-02 |
| 1972 | 1972-05-24 | 1972-08-30 |
| 1973 | 1973-06-09 | 1973-09-26 |
| 1974 | 1974-06-20 | 1974-08-27 |
| 1975 | 1975-05-18 | 1975-09-03 |
| 1976 | 1976-06-08 | 1976-09-08 |
| 1977 | 1977-05-15 | 1977-08-31 |
| 1978 | 1978-05-26 | 1978-09-21 |
| 1979 | 1979-05-08 | 1979-08-31 |
| 1980 | 1980-04-22 | 1980-08-28 |
| 1981 | 1981-06-14 | 1981-07-18 |
| 1982 | 1982-05-11 | 1982-09-11 |
| 1983 | 1983-06-11 | 1983-09-18 |
| 1985 | 1985-05-26 | 1985-09-08 |
| 1986 | 1986-04-25 | 1986-09-26 |
| 1987 | 1987-05-17 | 1987-08-17 |
| 1988 | 1988-05-22 | 1988-09-18 |
| 1989 | 1989-06-22 | 1989-08-05 |
| 1990 | 1990-06-13 | 1990-09-08 |
| 1991 | 1991-05-13 | 1991-09-16 |
| 1992 | 1992-06-13 | 1992-08-10 |
| 1993 | 1993-05-10 | 1993-08-31 |
| 1994 | 1994-05-31 | 1994-09-15 |
| 1995 | 1995-06-07 | 1995-09-06 |
| 1996 | 1996-05-18 | 1996-08-23 |
| 1997 | 1997-06-21 | 1997-08-17 |
| 1998 | 1998-05-15 | 1998-09-27 |
| 1999 | 1999-05-29 | 1999-09-06 |
| 2000 | 2000-06-08 | 2000-09-20 |
| 2002 | 2002-04-15 | 2002-09-11 |
| 2003 | 2003-06-18 | 2003-08-29 |
| 2004 | 2004-05-06 | 2004-08-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 98 | 66 | 1921 | 5 |
| 35 C (95 F): Days | 59 | 20 | 1988 | 2 |
| 40 C (104 F): Days | 1 | 4 | 1934 | 4 |
| 90 F (32.2 C): Days | 94 | 42 | 1988 | 7 |
| 100 F (37.8 C): Days | 9 | 9 | 1934 | 1 |
| 0 C (32 F): Ice days (max | 98 | 69 | 1963 | 42 |
| 0 C (32 F): Frost days (min | 100 | 157 | 1926 | 109 |
| -10 C (14 F): Days with min | 100 | 60 | 1978 | 36 |
| -20 C (-4 F): Days with min | 90 | 27 | 1963 | 5 |
| -30 C (-22 F): Days with min | 4 | 2 | 1994 | 2 |
| 20 C (68 F): Tropical nights (min | 100 | 39 | 1995 | 9 |
| 25 C (77 F): Days with min | 24 | 3 | 1995 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 99 | 44 | 1957 | 37 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 99 | 20 | 1990 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 71 | 4 | 1896 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 9 | 2 | 1990 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 82 | 7 | 1980 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 15 | 2 | 1927 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 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 1894.
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).