Walla Walla WSO City Threshold Days by Year (USW00094103)
18 fixed thresholds counted per year at Walla Walla WSO City (USW00094103): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Walla Walla WSO City Thresholds
- Walla Walla WSO City: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1967 with 79.
- Walla Walla WSO City: days with a maximum temperature at or above 35 C (95 F) in 39 years, most in 1961 with 33.
- Walla Walla WSO City: days with a maximum temperature at or above 90 F (32.2 C) in 39 years, most in 1958 with 65.
- Walla Walla WSO City: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1985 with 110.
- 18 fixed thresholds have at least one qualifying day at Walla Walla WSO City.
Days at or above 30 C (86 F)
39 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1949 | 53 | 53 |
| 1950 | 60 | 54.3 |
| 1951 | 58 | 54.3 |
| 1952 | 60 | 54.3 |
| 1953 | 49 | 54.3 |
| 1954 | 37 | 54.3 |
| 1955 | 52 | 54.3 |
| 1956 | 58 | 54.3 |
| 1957 | 47 | 54.3 |
| 1958 | 76 | 54.3 |
| 1959 | 46 | 54.3 |
| 1960 | 59 | 52.7 |
| 1961 | 69 | 52.7 |
| 1962 | 41 | 52.7 |
| 1963 | 46 | 52.7 |
| 1964 | 35 | 52.7 |
| 1965 | 43 | 52.7 |
| 1966 | 50 | 52.7 |
| 1967 | 79 | 52.7 |
| 1968 | 47 | 52.7 |
| 1969 | 58 | 52.7 |
| 1970 | 60 | 55.1 |
| 1971 | 53 | 55.1 |
| 1972 | 55 | 55.1 |
| 1973 | 59 | 55.1 |
| 1974 | 63 | 55.1 |
| 1975 | 50 | 55.1 |
| 1976 | 40 | 55.1 |
| 1977 | 58 | 55.1 |
| 1978 | 48 | 55.1 |
| 1979 | 65 | 55.1 |
| 1980 | 43 | 57.6 |
| 1981 | 57 | 57.6 |
| 1982 | 57 | 57.6 |
| 1983 | 52 | 57.6 |
| 1984 | 59 | 57.6 |
| 1985 | 57 | 57.6 |
| 1986 | 67 | 57.6 |
| 1987 | 69 | 57.6 |
| Year | First date | Last date |
|---|---|---|
| 1949 | 1949-05-08 | 1949-09-09 |
| 1950 | 1950-05-26 | 1950-09-23 |
| 1951 | 1951-05-10 | 1951-09-19 |
| 1952 | 1952-04-18 | 1952-09-26 |
| 1953 | 1953-05-05 | 1953-09-30 |
| 1954 | 1954-05-17 | 1954-09-10 |
| 1955 | 1955-06-06 | 1955-09-10 |
| 1956 | 1956-05-16 | 1956-09-17 |
| 1957 | 1957-04-29 | 1957-09-24 |
| 1958 | 1958-05-18 | 1958-10-04 |
| 1959 | 1959-05-13 | 1959-09-13 |
| 1960 | 1960-06-01 | 1960-09-18 |
| 1961 | 1961-05-25 | 1961-09-04 |
| 1962 | 1962-06-08 | 1962-09-26 |
| 1963 | 1963-05-20 | 1963-09-29 |
| 1964 | 1964-05-31 | 1964-09-24 |
| 1965 | 1965-05-28 | 1965-09-01 |
| 1966 | 1966-05-03 | 1966-09-22 |
| 1967 | 1967-05-21 | 1967-09-28 |
| 1968 | 1968-04-29 | 1968-09-10 |
| 1969 | 1969-05-09 | 1969-09-12 |
| 1970 | 1970-05-16 | 1970-08-31 |
| 1971 | 1971-05-11 | 1971-09-10 |
| 1972 | 1972-05-13 | 1972-09-15 |
| 1973 | 1973-05-13 | 1973-09-12 |
| 1974 | 1974-06-10 | 1974-09-25 |
| 1975 | 1975-05-14 | 1975-09-15 |
| 1976 | 1976-05-16 | 1976-09-30 |
| 1977 | 1977-04-07 | 1977-09-13 |
| 1978 | 1978-06-02 | 1978-09-26 |
| 1979 | 1979-05-22 | 1979-10-05 |
| 1980 | 1980-04-27 | 1980-10-07 |
| 1981 | 1981-04-23 | 1981-09-18 |
| 1982 | 1982-05-25 | 1982-09-08 |
| 1983 | 1983-05-23 | 1983-09-25 |
| 1984 | 1984-04-15 | 1984-09-18 |
| 1985 | 1985-05-16 | 1985-08-29 |
| 1986 | 1986-04-21 | 1986-09-05 |
| 1987 | 1987-04-27 | 1987-09-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 39 | 79 | 1967 | 69 |
| 35 C (95 F): Days | 39 | 33 | 1961 | 20 |
| 40 C (104 F): Days | 18 | 6 | 1968 | 1 |
| 45 C (113 F): Days | 1 | 1 | 1961 | 1 |
| 90 F (32.2 C): Days | 39 | 65 | 1958 | 43 |
| 100 F (37.8 C): Days | 35 | 14 | 1967 | 7 |
| 110 F (43.3 C): Days | 3 | 1 | 1960 | 1 |
| 0 C (32 F): Ice days (max | 38 | 63 | 1985 | 21 |
| 0 C (32 F): Frost days (min | 39 | 110 | 1985 | 65 |
| -10 C (14 F): Days with min | 34 | 25 | 1949 | 2 |
| -20 C (-4 F): Days with min | 12 | 9 | 1950 | 1 |
| 20 C (68 F): Tropical nights (min | 38 | 29 | 1958 | 6 |
| 25 C (77 F): Days with min | 5 | 2 | 1949 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 23 | 1981 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 24 | 4 | 1971 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1980 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 15 | 2 | 1961 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1968 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.
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).