Quantico 1 S Threshold Days by Year (USC00446979)
17 fixed thresholds counted per year at Quantico 1 S (USC00446979): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Quantico 1 S Thresholds
- Quantico 1 S: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1907 with 134.
- Quantico 1 S: nights with a minimum temperature at or above 20 C (68 F) in 60 years, most in 1959 with 78.
- Quantico 1 S: nights with a minimum temperature at or below -10 C (14 F) in 56 years, most in 1899 with 23.
- Quantico 1 S: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1914 with 84.
- 17 fixed thresholds have at least one qualifying day at Quantico 1 S.
Days at or above 30 C (86 F)
48 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1899 | 46 | 46 |
| 1905 | 62 | 59.2 |
| 1906 | 68 | 59.2 |
| 1907 | 48 | 59.2 |
| 1908 | 65 | 59.2 |
| 1909 | 53 | 59.2 |
| 1910 | 60 | 63.7 |
| 1911 | 82 | 63.7 |
| 1912 | 56 | 63.7 |
| 1913 | 52 | 63.7 |
| 1914 | 84 | 63.7 |
| 1915 | 59 | 63.7 |
| 1916 | 53 | 63.7 |
| 1922 | 50 | 56.7 |
| 1923 | 68 | 56.7 |
| 1924 | 52 | 56.7 |
| 1940 | 29 | 59.9 |
| 1941 | 80 | 59.9 |
| 1942 | 64 | 59.9 |
| 1943 | 80 | 59.9 |
| 1944 | 62 | 59.9 |
| 1945 | 60 | 59.9 |
| 1946 | 41 | 59.9 |
| 1947 | 60 | 59.9 |
| 1948 | 52 | 59.9 |
| 1949 | 71 | 59.9 |
| 1950 | 56 | 65.5 |
| 1951 | 63 | 65.5 |
| 1952 | 69 | 65.5 |
| 1953 | 69 | 65.5 |
| 1954 | 65 | 65.5 |
| 1955 | 58 | 65.5 |
| 1956 | 57 | 65.5 |
| 1957 | 77 | 65.5 |
| 1958 | 57 | 65.5 |
| 1959 | 84 | 65.5 |
| 1960 | 55 | 62 |
| 1961 | 66 | 62 |
| 1962 | 61 | 62 |
| 1963 | 62 | 62 |
| 1965 | 67 | 62 |
| 1966 | 76 | 62 |
| 1967 | 46 | 62 |
| 1968 | 63 | 62 |
| 1970 | 70 | 54.8 |
| 1971 | 47 | 54.8 |
| 1974 | 45 | 54.8 |
| 1975 | 57 | 54.8 |
| Year | First date | Last date |
|---|---|---|
| 1899 | 1899-05-01 | 1899-09-08 |
| 1905 | 1905-03-29 | 1905-10-01 |
| 1906 | 1906-04-21 | 1906-09-22 |
| 1907 | 1907-03-22 | 1907-09-21 |
| 1908 | 1908-04-24 | 1908-09-19 |
| 1909 | 1909-04-19 | 1909-08-30 |
| 1910 | 1910-03-30 | 1910-09-27 |
| 1911 | 1911-05-11 | 1911-09-07 |
| 1912 | 1912-05-11 | 1912-09-16 |
| 1913 | 1913-04-17 | 1913-09-09 |
| 1914 | 1914-04-23 | 1914-10-10 |
| 1915 | 1915-04-19 | 1915-09-20 |
| 1916 | 1916-05-01 | 1916-10-10 |
| 1922 | 1922-04-09 | 1922-10-17 |
| 1923 | 1923-04-21 | 1923-09-25 |
| 1924 | 1924-06-06 | 1924-09-03 |
| 1940 | 1940-05-07 | 1940-09-21 |
| 1941 | 1941-04-14 | 1941-10-08 |
| 1942 | 1942-04-05 | 1942-09-19 |
| 1943 | 1943-05-06 | 1943-09-16 |
| 1944 | 1944-05-04 | 1944-09-15 |
| 1945 | 1945-03-16 | 1945-09-29 |
| 1946 | 1946-04-23 | 1946-09-10 |
| 1947 | 1947-04-06 | 1947-10-23 |
| 1948 | 1948-03-21 | 1948-09-20 |
| 1949 | 1949-04-15 | 1949-10-11 |
| 1950 | 1950-05-06 | 1950-10-02 |
| 1951 | 1951-04-29 | 1951-10-06 |
| 1952 | 1952-04-20 | 1952-10-02 |
| 1953 | 1953-04-25 | 1953-09-29 |
| 1954 | 1954-05-02 | 1954-10-13 |
| 1955 | 1955-05-05 | 1955-09-16 |
| 1956 | 1956-04-04 | 1956-09-23 |
| 1957 | 1957-04-21 | 1957-09-22 |
| 1958 | 1958-05-04 | 1958-10-10 |
| 1959 | 1959-04-08 | 1959-10-06 |
| 1960 | 1960-04-14 | 1960-09-09 |
| 1961 | 1961-04-25 | 1961-09-25 |
| 1962 | 1962-04-22 | 1962-10-12 |
| 1963 | 1963-03-30 | 1963-09-20 |
| 1965 | 1965-05-02 | 1965-09-23 |
| 1966 | 1966-03-22 | 1966-09-06 |
| 1967 | 1967-04-02 | 1967-10-05 |
| 1968 | 1968-04-14 | 1968-09-25 |
| 1970 | 1970-05-09 | 1970-09-26 |
| 1971 | 1971-05-19 | 1971-09-11 |
| 1974 | 1974-04-29 | 1974-09-13 |
| 1975 | 1975-05-21 | 1975-10-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 48 | 84 | 1914 | 57 |
| 35 C (95 F): Days | 43 | 17 | 1941 | 3 |
| 40 C (104 F): Days | 2 | 1 | 1944 | 1 |
| 90 F (32.2 C): Days | 48 | 54 | 1943 | 23 |
| 100 F (37.8 C): Days | 9 | 5 | 1944 | 1 |
| 0 C (32 F): Ice days (max | 46 | 23 | 1899 | 3 |
| 0 C (32 F): Frost days (min | 60 | 134 | 1907 | 70 |
| -10 C (14 F): Days with min | 56 | 23 | 1899 | 6 |
| -20 C (-4 F): Days with min | 3 | 6 | 1899 | 1 |
| 20 C (68 F): Tropical nights (min | 60 | 78 | 1959 | 60 |
| 25 C (77 F): Days with min | 26 | 5 | 1911 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 46 | 1975 | 46 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 17 | 1971 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 33 | 4 | 1908 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 1 | 1913 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 6 | 1966 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1914 | 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).