Siloam Springs Threshold Days by Year
19 fixed thresholds counted per year at Siloam Springs (USC00036624): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Siloam Springs Thresholds
- Siloam Springs: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1973 with 65.
- Siloam Springs: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1973 with 27.
- Siloam Springs: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1963 with 125.
- Siloam Springs: days with a maximum temperature at or above 90 F (32.2 C) in 44 years, most in 1954 with 101.
- 19 fixed thresholds have at least one qualifying day at Siloam Springs.
Days at or above 30 C (86 F)
44 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1943 | 89 | 81.6 |
| 1944 | 85 | 81.6 |
| 1945 | 62 | 81.6 |
| 1946 | 93 | 81.6 |
| 1947 | 80 | 81.6 |
| 1948 | 86 | 81.6 |
| 1949 | 76 | 81.6 |
| 1950 | 41 | 89.3 |
| 1951 | 75 | 89.3 |
| 1952 | 114 | 89.3 |
| 1953 | 114 | 89.3 |
| 1954 | 111 | 89.3 |
| 1955 | 86 | 89.3 |
| 1956 | 105 | 89.3 |
| 1957 | 75 | 89.3 |
| 1958 | 77 | 89.3 |
| 1959 | 95 | 89.3 |
| 1960 | 94 | 89.3 |
| 1961 | 66 | 89.3 |
| 1962 | 102 | 89.3 |
| 1963 | 125 | 89.3 |
| 1964 | 93 | 89.3 |
| 1965 | 106 | 89.3 |
| 1966 | 80 | 89.3 |
| 1967 | 78 | 89.3 |
| 1968 | 68 | 89.3 |
| 1969 | 81 | 89.3 |
| 1970 | 80 | 74.9 |
| 1971 | 80 | 74.9 |
| 1972 | 80 | 74.9 |
| 1973 | 65 | 74.9 |
| 1974 | 63 | 74.9 |
| 1975 | 70 | 74.9 |
| 1976 | 51 | 74.9 |
| 1977 | 95 | 74.9 |
| 1978 | 94 | 74.9 |
| 1979 | 71 | 74.9 |
| 1980 | 107 | 79.7 |
| 1981 | 70 | 79.7 |
| 1982 | 78 | 79.7 |
| 1983 | 74 | 79.7 |
| 1984 | 87 | 79.7 |
| 1985 | 77 | 79.7 |
| 1986 | 65 | 79.7 |
| Year | First date | Last date |
|---|---|---|
| 1943 | 1943-05-02 | 1943-09-22 |
| 1944 | 1944-05-15 | 1944-10-02 |
| 1945 | 1945-05-14 | 1945-09-23 |
| 1946 | 1946-03-31 | 1946-10-14 |
| 1947 | 1947-05-04 | 1947-10-15 |
| 1948 | 1948-04-17 | 1948-09-23 |
| 1949 | 1949-04-23 | 1949-09-12 |
| 1950 | 1950-06-10 | 1950-10-30 |
| 1951 | 1951-05-20 | 1951-10-04 |
| 1952 | 1952-04-30 | 1952-10-13 |
| 1953 | 1953-05-22 | 1953-10-18 |
| 1954 | 1954-05-30 | 1954-10-06 |
| 1955 | 1955-04-17 | 1955-09-30 |
| 1956 | 1956-05-19 | 1956-10-12 |
| 1957 | 1957-06-06 | 1957-09-20 |
| 1958 | 1958-04-23 | 1958-09-26 |
| 1959 | 1959-04-05 | 1959-09-28 |
| 1960 | 1960-04-06 | 1960-10-11 |
| 1961 | 1961-05-29 | 1961-10-11 |
| 1962 | 1962-04-29 | 1962-10-11 |
| 1963 | 1963-03-28 | 1963-10-22 |
| 1964 | 1964-04-23 | 1964-10-17 |
| 1965 | 1965-04-08 | 1965-10-10 |
| 1966 | 1966-05-06 | 1966-10-09 |
| 1967 | 1967-03-11 | 1967-10-06 |
| 1968 | 1968-05-02 | 1968-10-30 |
| 1969 | 1969-05-29 | 1969-10-04 |
| 1970 | 1970-06-12 | 1970-09-20 |
| 1971 | 1971-06-02 | 1971-09-30 |
| 1972 | 1972-04-12 | 1972-09-27 |
| 1973 | 1973-05-10 | 1973-09-08 |
| 1974 | 1974-03-31 | 1974-08-31 |
| 1975 | 1975-05-20 | 1975-10-13 |
| 1976 | 1976-06-12 | 1976-10-03 |
| 1977 | 1977-05-06 | 1977-10-28 |
| 1978 | 1978-05-24 | 1978-10-22 |
| 1979 | 1979-06-17 | 1979-10-22 |
| 1980 | 1980-04-22 | 1980-10-10 |
| 1981 | 1981-06-08 | 1981-10-06 |
| 1982 | 1982-05-30 | 1982-10-06 |
| 1983 | 1983-06-11 | 1983-10-04 |
| 1984 | 1984-05-14 | 1984-09-24 |
| 1985 | 1985-05-31 | 1985-09-23 |
| 1986 | 1986-06-09 | 1986-09-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 44 | 125 | 1963 | 65 |
| 35 C (95 F): Days | 43 | 75 | 1954 | 9 |
| 40 C (104 F): Days | 14 | 12 | 1954 | 2 |
| 90 F (32.2 C): Days | 44 | 101 | 1954 | 34 |
| 100 F (37.8 C): Days | 27 | 40 | 1954 | 4 |
| 110 F (43.3 C): Days | 2 | 2 | 1954 | 2 |
| 0 C (32 F): Ice days (max | 44 | 31 | 1978 | 6 |
| 0 C (32 F): Frost days (min | 41 | 114 | 1955 | 106 |
| -10 C (14 F): Days with min | 41 | 31 | 1979 | 16 |
| -20 C (-4 F): Days with min | 13 | 6 | 1979 | 6 |
| 20 C (68 F): Tropical nights (min | 41 | 75 | 1980 | 49 |
| 25 C (77 F): Days with min | 11 | 7 | 1954 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 45 | 65 | 1973 | 37 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 45 | 27 | 1973 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 42 | 7 | 1974 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 11 | 2 | 1943 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1974 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 3 | 1970 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1948 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).