Clifton Forge 2 NW Threshold Days by Year (USC00441801)
14 fixed thresholds counted per year at Clifton Forge 2 NW (USC00441801): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Clifton Forge 2 NW Thresholds
- Clifton Forge 2 NW: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1948 with 52.
- Clifton Forge 2 NW: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1938 with 12.
- Clifton Forge 2 NW: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1973 with 4.
- Clifton Forge 2 NW: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1948 with 3.
- 14 fixed thresholds have at least one qualifying day at Clifton Forge 2 NW.
Days with 10 mm (0.39 in) or more of precipitation
38 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1934 | 29 | 32.3 |
| 1938 | 36 | 32.3 |
| 1939 | 32 | 32.3 |
| 1942 | 42 | 38.6 |
| 1943 | 32 | 38.6 |
| 1944 | 30 | 38.6 |
| 1948 | 52 | 38.6 |
| 1949 | 37 | 38.6 |
| 1950 | 38 | 34.5 |
| 1951 | 40 | 34.5 |
| 1952 | 38 | 34.5 |
| 1953 | 28 | 34.5 |
| 1954 | 37 | 34.5 |
| 1955 | 39 | 34.5 |
| 1956 | 27 | 34.5 |
| 1957 | 34 | 34.5 |
| 1958 | 31 | 34.5 |
| 1959 | 33 | 34.5 |
| 1960 | 33 | 32.3 |
| 1961 | 43 | 32.3 |
| 1962 | 36 | 32.3 |
| 1963 | 24 | 32.3 |
| 1964 | 31 | 32.3 |
| 1965 | 33 | 32.3 |
| 1966 | 30 | 32.3 |
| 1967 | 30 | 32.3 |
| 1968 | 27 | 32.3 |
| 1969 | 36 | 32.3 |
| 1970 | 25 | 33.6 |
| 1971 | 30 | 33.6 |
| 1972 | 41 | 33.6 |
| 1973 | 40 | 33.6 |
| 1974 | 32 | 33.6 |
| 1975 | 36 | 33.6 |
| 1976 | 29 | 33.6 |
| 1977 | 29 | 33.6 |
| 1978 | 33 | 33.6 |
| 1979 | 41 | 33.6 |
| Year | First date | Last date |
|---|---|---|
| 1934 | 1934-03-02 | 1934-12-31 |
| 1938 | 1938-01-07 | 1938-12-27 |
| 1939 | 1939-01-06 | 1939-12-20 |
| 1942 | 1942-01-02 | 1942-12-30 |
| 1943 | 1943-03-06 | 1943-12-29 |
| 1944 | 1944-01-03 | 1944-12-28 |
| 1948 | 1948-01-13 | 1948-12-30 |
| 1949 | 1949-01-05 | 1949-12-27 |
| 1950 | 1950-01-13 | 1950-12-08 |
| 1951 | 1951-01-30 | 1951-12-21 |
| 1952 | 1952-01-05 | 1952-12-31 |
| 1953 | 1953-01-10 | 1953-12-14 |
| 1954 | 1954-01-11 | 1954-12-30 |
| 1955 | 1955-01-11 | 1955-11-16 |
| 1956 | 1956-02-03 | 1956-12-24 |
| 1957 | 1957-02-01 | 1957-12-26 |
| 1958 | 1958-01-14 | 1958-12-29 |
| 1959 | 1959-01-02 | 1959-12-19 |
| 1960 | 1960-01-03 | 1960-12-21 |
| 1961 | 1961-01-01 | 1961-12-18 |
| 1962 | 1962-01-06 | 1962-12-30 |
| 1963 | 1963-02-12 | 1963-12-24 |
| 1964 | 1964-01-01 | 1964-12-27 |
| 1965 | 1965-01-09 | 1965-11-11 |
| 1966 | 1966-01-06 | 1966-12-29 |
| 1967 | 1967-01-27 | 1967-12-29 |
| 1968 | 1968-03-01 | 1968-12-29 |
| 1969 | 1969-01-19 | 1969-12-31 |
| 1970 | 1970-01-17 | 1970-12-22 |
| 1971 | 1971-01-01 | 1971-12-07 |
| 1972 | 1972-01-02 | 1972-12-22 |
| 1973 | 1973-01-04 | 1973-12-27 |
| 1974 | 1974-01-01 | 1974-12-16 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-07 |
| 1977 | 1977-01-10 | 1977-12-18 |
| 1978 | 1978-01-09 | 1978-12-25 |
| 1979 | 1979-01-02 | 1979-12-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 55 | 1899 | 55 |
| 35 C (95 F): Days | 1 | 4 | 1899 | 4 |
| 90 F (32.2 C): Days | 1 | 28 | 1899 | 28 |
| 0 C (32 F): Ice days (max | 1 | 26 | 1899 | 26 |
| 0 C (32 F): Frost days (min | 1 | 108 | 1899 | 108 |
| -10 C (14 F): Days with min | 1 | 20 | 1899 | 20 |
| 20 C (68 F): Tropical nights (min | 1 | 28 | 1899 | 28 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 38 | 52 | 1948 | 41 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 38 | 12 | 1938 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 29 | 4 | 1973 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1949 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1969 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 19 | 3 | 1948 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 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 1899.
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).