Valparaiso Threshold Days by Year (USC00258790)
6 fixed thresholds counted per year at Valparaiso (USC00258790): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Valparaiso Thresholds
- Valparaiso: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1951 with 34.
- Valparaiso: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1984 with 16.
- Valparaiso: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1977 with 4.
- Valparaiso: days with 10 cm (3.9 in) or more of snowfall in 22 years, most in 1948 with 7.
- 6 fixed thresholds have at least one qualifying day at Valparaiso.
Days with 10 mm (0.39 in) or more of precipitation
30 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1898 | 22 | 23.5 |
| 1899 | 25 | 23.5 |
| 1942 | 23 | 23 |
| 1943 | 21 | 23 |
| 1946 | 26 | 23 |
| 1947 | 20 | 23 |
| 1948 | 25 | 23 |
| 1951 | 34 | 21.7 |
| 1954 | 19 | 21.7 |
| 1955 | 11 | 21.7 |
| 1956 | 11 | 21.7 |
| 1957 | 30 | 21.7 |
| 1958 | 23 | 21.7 |
| 1959 | 24 | 21.7 |
| 1963 | 19 | 19 |
| 1977 | 32 | 27 |
| 1979 | 22 | 27 |
| 1981 | 26 | 25.1 |
| 1982 | 30 | 25.1 |
| 1983 | 26 | 25.1 |
| 1984 | 31 | 25.1 |
| 1985 | 20 | 25.1 |
| 1986 | 25 | 25.1 |
| 1989 | 18 | 25.1 |
| 1990 | 23 | 23.5 |
| 1991 | 22 | 23.5 |
| 1992 | 27 | 23.5 |
| 1994 | 26 | 23.5 |
| 1995 | 16 | 23.5 |
| 1996 | 27 | 23.5 |
| Year | First date | Last date |
|---|---|---|
| 1898 | 1898-03-14 | 1898-10-10 |
| 1899 | 1899-02-26 | 1899-12-09 |
| 1942 | 1942-01-02 | 1942-09-25 |
| 1943 | 1943-02-03 | 1943-10-24 |
| 1946 | 1946-02-05 | 1946-11-09 |
| 1947 | 1947-04-03 | 1947-12-04 |
| 1948 | 1948-02-27 | 1948-12-24 |
| 1951 | 1951-02-25 | 1951-11-25 |
| 1954 | 1954-02-19 | 1954-10-26 |
| 1955 | 1955-04-12 | 1955-09-21 |
| 1956 | 1956-02-01 | 1956-10-30 |
| 1957 | 1957-03-17 | 1957-11-18 |
| 1958 | 1958-02-27 | 1958-12-04 |
| 1959 | 1959-03-15 | 1959-12-29 |
| 1963 | 1963-01-23 | 1963-09-22 |
| 1977 | 1977-03-03 | 1977-11-09 |
| 1979 | 1979-03-03 | 1979-11-20 |
| 1981 | 1981-03-04 | 1981-12-17 |
| 1982 | 1982-03-04 | 1982-12-29 |
| 1983 | 1983-01-29 | 1983-12-15 |
| 1984 | 1984-02-13 | 1984-12-16 |
| 1985 | 1985-02-20 | 1985-10-18 |
| 1986 | 1986-03-12 | 1986-10-22 |
| 1989 | 1989-01-29 | 1989-10-29 |
| 1990 | 1990-03-07 | 1990-12-02 |
| 1991 | 1991-03-13 | 1991-12-23 |
| 1992 | 1992-01-02 | 1992-12-03 |
| 1994 | 1994-02-22 | 1994-12-07 |
| 1995 | 1995-02-03 | 1995-10-05 |
| 1996 | 1996-01-27 | 1996-11-17 |
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 | 30 | 34 | 1951 | 27 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 30 | 16 | 1984 | 11 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 22 | 4 | 1977 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 1 | 1948 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 7 | 1948 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1945 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.
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).