Tomahawk Spirit Rsvr Threshold Days by Year (USC00478528)
18 fixed thresholds counted per year at Tomahawk Spirit Rsvr (USC00478528): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Tomahawk Spirit Rsvr Thresholds
- Tomahawk Spirit Rsvr: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1968 with 37.
- Tomahawk Spirit Rsvr: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1941 with 12.
- Tomahawk Spirit Rsvr: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1950 with 111.
- Tomahawk Spirit Rsvr: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1917 with 207.
- 18 fixed thresholds have at least one qualifying day at Tomahawk Spirit Rsvr.
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 14 | 14.5 |
| 1918 | 15 | 14.5 |
| 1935 | 31 | 28.6 |
| 1936 | 42 | 28.6 |
| 1937 | 12 | 28.6 |
| 1938 | 16 | 28.6 |
| 1939 | 42 | 28.6 |
| 1940 | 29 | 15.4 |
| 1941 | 10 | 15.4 |
| 1943 | 15 | 15.4 |
| 1944 | 13 | 15.4 |
| 1945 | 3 | 15.4 |
| 1947 | 25 | 15.4 |
| 1948 | 15 | 15.4 |
| 1949 | 13 | 15.4 |
| 1950 | 1 | 7.2 |
| 1952 | 5 | 7.2 |
| 1953 | 10 | 7.2 |
| 1954 | 1 | 7.2 |
| 1955 | 24 | 7.2 |
| 1956 | 5 | 7.2 |
| 1957 | 8 | 7.2 |
| 1958 | 2 | 7.2 |
| 1959 | 9 | 7.2 |
| 1960 | 7 | 14.9 |
| 1961 | 14 | 14.9 |
| 1962 | 5 | 14.9 |
| 1963 | 31 | 14.9 |
| 1964 | 27 | 14.9 |
| 1965 | 9 | 14.9 |
| 1966 | 20 | 14.9 |
| 1967 | 5 | 14.9 |
| 1968 | 17 | 14.9 |
| 1969 | 14 | 14.9 |
| 1970 | 27 | 13.1 |
| 1971 | 8 | 13.1 |
| 1972 | 11 | 13.1 |
| 1973 | 10 | 13.1 |
| 1974 | 6 | 13.1 |
| 1975 | 20 | 13.1 |
| 1976 | 10 | 13.1 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-06-11 | 1917-08-15 |
| 1918 | 1918-07-19 | 1918-08-26 |
| 1935 | 1935-07-02 | 1935-08-20 |
| 1936 | 1936-05-08 | 1936-09-13 |
| 1937 | 1937-05-29 | 1937-09-23 |
| 1938 | 1938-06-20 | 1938-08-15 |
| 1939 | 1939-05-05 | 1939-09-15 |
| 1940 | 1940-05-12 | 1940-09-19 |
| 1941 | 1941-06-26 | 1941-07-29 |
| 1943 | 1943-06-20 | 1943-08-01 |
| 1944 | 1944-06-02 | 1944-08-17 |
| 1945 | 1945-07-23 | 1945-09-05 |
| 1947 | 1947-07-16 | 1947-09-19 |
| 1948 | 1948-06-02 | 1948-09-16 |
| 1949 | 1949-05-03 | 1949-08-10 |
| 1950 | 1950-06-06 | 1950-06-06 |
| 1952 | 1952-04-28 | 1952-09-13 |
| 1953 | 1953-06-04 | 1953-09-02 |
| 1954 | 1954-06-25 | 1954-06-25 |
| 1955 | 1955-05-02 | 1955-09-18 |
| 1956 | 1956-06-10 | 1956-06-14 |
| 1957 | 1957-06-17 | 1957-09-01 |
| 1958 | 1958-08-09 | 1958-08-10 |
| 1959 | 1959-05-02 | 1959-09-08 |
| 1960 | 1960-07-21 | 1960-09-07 |
| 1961 | 1961-06-05 | 1961-08-31 |
| 1962 | 1962-06-28 | 1962-08-07 |
| 1963 | 1963-06-03 | 1963-08-09 |
| 1964 | 1964-05-22 | 1964-08-05 |
| 1965 | 1965-06-27 | 1965-08-15 |
| 1966 | 1966-06-20 | 1966-08-27 |
| 1967 | 1967-05-26 | 1967-07-22 |
| 1968 | 1968-06-04 | 1968-08-24 |
| 1969 | 1969-05-28 | 1969-08-30 |
| 1970 | 1970-04-29 | 1970-08-27 |
| 1971 | 1971-06-06 | 1971-09-03 |
| 1972 | 1972-05-17 | 1972-08-18 |
| 1973 | 1973-06-10 | 1973-09-01 |
| 1974 | 1974-07-03 | 1974-07-19 |
| 1975 | 1975-05-21 | 1975-08-13 |
| 1976 | 1976-06-08 | 1976-09-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 42 | 1936 | 10 |
| 35 C (95 F): Days | 13 | 7 | 1936 | 1 |
| 40 C (104 F): Days | 1 | 2 | 1936 | 2 |
| 90 F (32.2 C): Days | 29 | 23 | 1936 | 6 |
| 100 F (37.8 C): Days | 1 | 4 | 1936 | 4 |
| 0 C (32 F): Ice days (max | 43 | 111 | 1950 | 106 |
| 0 C (32 F): Frost days (min | 43 | 207 | 1917 | 199 |
| -10 C (14 F): Days with min | 43 | 106 | 1950 | 106 |
| -20 C (-4 F): Days with min | 43 | 52 | 1976 | 52 |
| -30 C (-22 F): Days with min | 41 | 16 | 1963 | 15 |
| -40 C (-40 F): Days with min | 8 | 2 | 1918 | 1 |
| 20 C (68 F): Tropical nights (min | 31 | 8 | 1947 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 37 | 1968 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 12 | 1941 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 23 | 4 | 1940 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1973 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 10 | 1923 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 1 | 1923 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.
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).