Wyola 1 SW Threshold Days by Year (USC00249175)
18 fixed thresholds counted per year at Wyola 1 SW (USC00249175): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Wyola 1 SW Thresholds
- Wyola 1 SW: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1946 with 19.
- Wyola 1 SW: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1993 with 213.
- Wyola 1 SW: nights with a minimum temperature at or below -10 C (14 F) in 64 years, most in 1985 with 92.
- Wyola 1 SW: nights with a minimum temperature at or below -20 C (-4 F) in 64 years, most in 1937 with 36.
- 18 fixed thresholds have at least one qualifying day at Wyola 1 SW.
Days at or above 30 C (86 F)
60 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1932 | 57 | 62.8 |
| 1933 | 68 | 62.8 |
| 1934 | 65 | 62.8 |
| 1935 | 53 | 62.8 |
| 1937 | 71 | 62.8 |
| 1943 | 51 | 47.3 |
| 1944 | 18 | 47.3 |
| 1945 | 49 | 47.3 |
| 1946 | 48 | 47.3 |
| 1947 | 57 | 47.3 |
| 1948 | 52 | 47.3 |
| 1949 | 56 | 47.3 |
| 1950 | 52 | 58 |
| 1951 | 40 | 58 |
| 1952 | 62 | 58 |
| 1953 | 69 | 58 |
| 1954 | 64 | 58 |
| 1955 | 58 | 58 |
| 1956 | 56 | 58 |
| 1957 | 48 | 58 |
| 1958 | 57 | 58 |
| 1959 | 74 | 58 |
| 1960 | 70 | 57.2 |
| 1961 | 75 | 57.2 |
| 1962 | 36 | 57.2 |
| 1963 | 64 | 57.2 |
| 1964 | 52 | 57.2 |
| 1965 | 39 | 57.2 |
| 1966 | 71 | 57.2 |
| 1967 | 64 | 57.2 |
| 1968 | 46 | 57.2 |
| 1969 | 55 | 57.2 |
| 1970 | 65 | 47.8 |
| 1971 | 65 | 47.8 |
| 1972 | 44 | 47.8 |
| 1973 | 53 | 47.8 |
| 1974 | 47 | 47.8 |
| 1975 | 38 | 47.8 |
| 1976 | 56 | 47.8 |
| 1977 | 33 | 47.8 |
| 1978 | 36 | 47.8 |
| 1979 | 41 | 47.8 |
| 1980 | 46 | 44.8 |
| 1981 | 35 | 44.8 |
| 1982 | 25 | 44.8 |
| 1983 | 47 | 44.8 |
| 1984 | 54 | 44.8 |
| 1985 | 43 | 44.8 |
| 1986 | 38 | 44.8 |
| 1987 | 31 | 44.8 |
| 1988 | 76 | 44.8 |
| 1989 | 53 | 44.8 |
| 1990 | 68 | 51 |
| 1991 | 58 | 51 |
| 1992 | 43 | 51 |
| 1993 | 15 | 51 |
| 1994 | 59 | 51 |
| 1995 | 49 | 51 |
| 1996 | 64 | 51 |
| 1997 | 52 | 51 |
| Year | First date | Last date |
|---|---|---|
| 1932 | 1932-05-13 | 1932-09-23 |
| 1933 | 1933-05-30 | 1933-09-20 |
| 1934 | 1934-05-07 | 1934-09-12 |
| 1935 | 1935-06-08 | 1935-09-22 |
| 1937 | 1937-05-18 | 1937-10-03 |
| 1943 | 1943-06-18 | 1943-10-06 |
| 1944 | 1944-06-25 | 1944-09-07 |
| 1945 | 1945-06-21 | 1945-09-05 |
| 1946 | 1946-06-05 | 1946-09-30 |
| 1947 | 1947-05-02 | 1947-10-20 |
| 1948 | 1948-05-17 | 1948-10-03 |
| 1949 | 1949-05-27 | 1949-09-24 |
| 1950 | 1950-06-05 | 1950-09-07 |
| 1951 | 1951-05-23 | 1951-08-24 |
| 1952 | 1952-04-28 | 1952-09-27 |
| 1953 | 1953-06-11 | 1953-10-10 |
| 1954 | 1954-05-19 | 1954-10-07 |
| 1955 | 1955-06-20 | 1955-10-10 |
| 1956 | 1956-06-01 | 1956-09-26 |
| 1957 | 1957-06-03 | 1957-10-01 |
| 1958 | 1958-05-11 | 1958-10-15 |
| 1959 | 1959-06-03 | 1959-09-15 |
| 1960 | 1960-05-11 | 1960-10-06 |
| 1961 | 1961-05-10 | 1961-09-16 |
| 1962 | 1962-06-26 | 1962-09-06 |
| 1963 | 1963-06-19 | 1963-10-08 |
| 1964 | 1964-05-16 | 1964-10-14 |
| 1965 | 1965-06-12 | 1965-10-09 |
| 1966 | 1966-05-04 | 1966-09-23 |
| 1967 | 1967-05-23 | 1967-09-30 |
| 1968 | 1968-06-02 | 1968-10-29 |
| 1969 | 1969-05-13 | 1969-09-18 |
| 1970 | 1970-05-17 | 1970-10-04 |
| 1971 | 1971-06-14 | 1971-09-13 |
| 1972 | 1972-05-16 | 1972-09-18 |
| 1973 | 1973-05-31 | 1973-09-06 |
| 1974 | 1974-06-13 | 1974-09-26 |
| 1975 | 1975-06-24 | 1975-10-06 |
| 1976 | 1976-05-28 | 1976-10-01 |
| 1977 | 1977-06-01 | 1977-09-08 |
| 1978 | 1978-05-15 | 1978-09-07 |
| 1979 | 1979-05-17 | 1979-09-16 |
| 1980 | 1980-04-20 | 1980-09-30 |
| 1981 | 1981-05-01 | 1981-09-19 |
| 1982 | 1982-06-27 | 1982-09-09 |
| 1983 | 1983-06-23 | 1983-09-07 |
| 1984 | 1984-05-15 | 1984-09-18 |
| 1985 | 1985-05-02 | 1985-09-05 |
| 1986 | 1986-05-03 | 1986-08-29 |
| 1987 | 1987-05-08 | 1987-09-08 |
| 1988 | 1988-05-13 | 1988-09-06 |
| 1989 | 1989-04-21 | 1989-09-30 |
| 1990 | 1990-06-10 | 1990-09-25 |
| 1991 | 1991-06-08 | 1991-10-16 |
| 1992 | 1992-04-29 | 1992-10-03 |
| 1993 | 1993-06-20 | 1993-10-06 |
| 1994 | 1994-05-27 | 1994-09-09 |
| 1995 | 1995-06-13 | 1995-09-05 |
| 1996 | 1996-06-08 | 1996-10-13 |
| 1997 | 1997-05-31 | 1997-10-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 60 | 76 | 1988 | 52 |
| 35 C (95 F): Days | 60 | 30 | 1961 | 4 |
| 40 C (104 F): Days | 14 | 3 | 1935 | 1 |
| 90 F (32.2 C): Days | 60 | 60 | 1988 | 20 |
| 100 F (37.8 C): Days | 39 | 9 | 1961 | 1 |
| 0 C (32 F): Ice days (max | 60 | 69 | 1978 | 35 |
| 0 C (32 F): Frost days (min | 64 | 213 | 1993 | 193 |
| -10 C (14 F): Days with min | 64 | 92 | 1985 | 46 |
| -20 C (-4 F): Days with min | 64 | 36 | 1937 | 10 |
| -30 C (-22 F): Days with min | 48 | 12 | 1932 | 3 |
| -40 C (-40 F): Days with min | 2 | 2 | 1983 | 1 |
| 20 C (68 F): Tropical nights (min | 10 | 17 | 1995 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 65 | 19 | 1946 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 52 | 6 | 1978 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 2 | 1978 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 45 | 15 | 1984 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 15 | 5 | 1973 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 2 | 1 | 1955 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.
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).