Rimrock Tieton Dam Threshold Days by Year (USC00457038)
17 fixed thresholds counted per year at Rimrock Tieton Dam (USC00457038): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rimrock Tieton Dam Thresholds
- Rimrock Tieton Dam: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1958 with 47.
- Rimrock Tieton Dam: nights with a minimum temperature at or below 0 C (32 F) in 57 years, most in 1921 with 216.
- Rimrock Tieton Dam: nights with a minimum temperature at or below -10 C (14 F) in 57 years, most in 1922 with 50.
- Rimrock Tieton Dam: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1948 with 35.
- 17 fixed thresholds have at least one qualifying day at Rimrock Tieton Dam.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1918 | 19 | 18 |
| 1919 | 17 | 18 |
| 1920 | 28 | 22.7 |
| 1921 | 5 | 22.7 |
| 1922 | 29 | 22.7 |
| 1923 | 27 | 22.7 |
| 1924 | 21 | 22.7 |
| 1925 | 30 | 22.7 |
| 1926 | 25 | 22.7 |
| 1928 | 17 | 22.7 |
| 1929 | 22 | 22.7 |
| 1931 | 26 | 20.6 |
| 1932 | 17 | 20.6 |
| 1933 | 19 | 20.6 |
| 1934 | 22 | 20.6 |
| 1935 | 23 | 20.6 |
| 1936 | 16 | 20.6 |
| 1937 | 12 | 20.6 |
| 1938 | 28 | 20.6 |
| 1939 | 22 | 20.6 |
| 1940 | 13 | 16.1 |
| 1941 | 16 | 16.1 |
| 1942 | 28 | 16.1 |
| 1943 | 16 | 16.1 |
| 1944 | 19 | 16.1 |
| 1945 | 23 | 16.1 |
| 1946 | 17 | 16.1 |
| 1947 | 4 | 16.1 |
| 1948 | 8 | 16.1 |
| 1949 | 17 | 16.1 |
| 1950 | 17 | 20.7 |
| 1951 | 21 | 20.7 |
| 1952 | 25 | 20.7 |
| 1953 | 20 | 20.7 |
| 1954 | 5 | 20.7 |
| 1955 | 21 | 20.7 |
| 1956 | 20 | 20.7 |
| 1957 | 13 | 20.7 |
| 1958 | 47 | 20.7 |
| 1959 | 18 | 20.7 |
| 1960 | 23 | 22.2 |
| 1961 | 36 | 22.2 |
| 1962 | 16 | 22.2 |
| 1963 | 21 | 22.2 |
| 1964 | 13 | 22.2 |
| 1965 | 19 | 22.2 |
| 1966 | 15 | 22.2 |
| 1967 | 40 | 22.2 |
| 1968 | 20 | 22.2 |
| 1969 | 19 | 22.2 |
| 1970 | 31 | 22.1 |
| 1971 | 33 | 22.1 |
| 1972 | 16 | 22.1 |
| 1973 | 32 | 22.1 |
| 1974 | 24 | 22.1 |
| 1975 | 13 | 22.1 |
| 1976 | 6 | 22.1 |
| Year | First date | Last date |
|---|---|---|
| 1918 | 1918-06-11 | 1918-08-31 |
| 1919 | 1919-07-04 | 1919-08-30 |
| 1920 | 1920-06-21 | 1920-09-03 |
| 1921 | 1921-07-23 | 1921-08-13 |
| 1922 | 1922-06-02 | 1922-08-29 |
| 1923 | 1923-05-07 | 1923-09-13 |
| 1924 | 1924-05-12 | 1924-09-08 |
| 1925 | 1925-06-20 | 1925-09-04 |
| 1926 | 1926-04-29 | 1926-08-26 |
| 1928 | 1928-06-24 | 1928-09-06 |
| 1929 | 1929-06-25 | 1929-09-17 |
| 1931 | 1931-05-13 | 1931-08-24 |
| 1932 | 1932-06-12 | 1932-09-15 |
| 1933 | 1933-06-13 | 1933-08-23 |
| 1934 | 1934-05-27 | 1934-09-04 |
| 1935 | 1935-06-05 | 1935-09-09 |
| 1936 | 1936-05-26 | 1936-10-08 |
| 1937 | 1937-06-28 | 1937-09-14 |
| 1938 | 1938-06-21 | 1938-09-17 |
| 1939 | 1939-05-14 | 1939-09-21 |
| 1940 | 1940-06-10 | 1940-08-19 |
| 1941 | 1941-07-06 | 1941-08-17 |
| 1942 | 1942-06-29 | 1942-09-25 |
| 1943 | 1943-07-07 | 1943-09-14 |
| 1944 | 1944-07-18 | 1944-09-13 |
| 1945 | 1945-06-18 | 1945-09-14 |
| 1946 | 1946-07-19 | 1946-08-24 |
| 1947 | 1947-05-26 | 1947-08-02 |
| 1948 | 1948-06-07 | 1948-09-11 |
| 1949 | 1949-05-12 | 1949-09-02 |
| 1950 | 1950-07-03 | 1950-09-03 |
| 1951 | 1951-07-03 | 1951-09-19 |
| 1952 | 1952-07-04 | 1952-09-26 |
| 1953 | 1953-07-07 | 1953-09-14 |
| 1954 | 1954-07-07 | 1954-08-02 |
| 1955 | 1955-06-11 | 1955-09-07 |
| 1956 | 1956-05-18 | 1956-08-24 |
| 1957 | 1957-06-02 | 1957-09-25 |
| 1958 | 1958-05-22 | 1958-10-04 |
| 1959 | 1959-06-20 | 1959-08-10 |
| 1960 | 1960-06-29 | 1960-09-13 |
| 1961 | 1961-06-15 | 1961-08-24 |
| 1962 | 1962-07-22 | 1962-09-06 |
| 1963 | 1963-06-15 | 1963-09-29 |
| 1964 | 1964-07-08 | 1964-08-24 |
| 1965 | 1965-06-11 | 1965-08-19 |
| 1966 | 1966-05-05 | 1966-09-23 |
| 1967 | 1967-06-16 | 1967-09-29 |
| 1968 | 1968-06-19 | 1968-09-01 |
| 1969 | 1969-06-04 | 1969-09-12 |
| 1970 | 1970-06-03 | 1970-08-25 |
| 1971 | 1971-07-15 | 1971-08-30 |
| 1972 | 1972-07-06 | 1972-09-04 |
| 1973 | 1973-05-15 | 1973-09-11 |
| 1974 | 1974-06-12 | 1974-09-24 |
| 1975 | 1975-07-05 | 1975-08-15 |
| 1976 | 1976-07-16 | 1976-09-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 47 | 1958 | 6 |
| 35 C (95 F): Days | 36 | 8 | 1971 | 2 |
| 90 F (32.2 C): Days | 55 | 29 | 1958 | 2 |
| 100 F (37.8 C): Days | 8 | 2 | 1928 | 2 |
| 0 C (32 F): Ice days (max | 56 | 49 | 1969 | 18 |
| 0 C (32 F): Frost days (min | 57 | 216 | 1921 | 186 |
| -10 C (14 F): Days with min | 57 | 50 | 1922 | 14 |
| -20 C (-4 F): Days with min | 32 | 14 | 1950 | 9 |
| -30 C (-22 F): Days with min | 2 | 2 | 1950 | 2 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1918 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 35 | 1948 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 11 | 1972 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 20 | 4 | 1923 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1946 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 36 | 23 | 1950 | 9 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 25 | 4 | 1948 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 4 | 1 | 1933 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.
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).