Jamestown Threshold Days by Year (USC00304206)
18 fixed thresholds counted per year at Jamestown (USC00304206): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Jamestown Thresholds
- Jamestown: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 1955 with 52.
- Jamestown: days with a maximum temperature at or below 0 C (32 F) in 49 years, most in 1904 with 73.
- Jamestown: nights with a minimum temperature at or below 0 C (32 F) in 48 years, most in 1904 with 173.
- Jamestown: nights with a minimum temperature at or below -10 C (14 F) in 48 years, most in 1904 with 60.
- 18 fixed thresholds have at least one qualifying day at Jamestown.
Days at or above 30 C (86 F)
49 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 7 | 10.5 |
| 1897 | 11 | 10.5 |
| 1898 | 12 | 10.5 |
| 1899 | 12 | 10.5 |
| 1900 | 14 | 20.1 |
| 1902 | 10 | 20.1 |
| 1903 | 23 | 20.1 |
| 1904 | 7 | 20.1 |
| 1905 | 15 | 20.1 |
| 1906 | 39 | 20.1 |
| 1907 | 14 | 20.1 |
| 1908 | 39 | 20.1 |
| 1923 | 29 | 23.7 |
| 1924 | 19 | 23.7 |
| 1925 | 21 | 23.7 |
| 1926 | 17 | 23.7 |
| 1927 | 26 | 23.7 |
| 1928 | 27 | 23.7 |
| 1929 | 27 | 23.7 |
| 1930 | 39 | 32.3 |
| 1931 | 41 | 32.3 |
| 1932 | 20 | 32.3 |
| 1933 | 38 | 32.3 |
| 1934 | 49 | 32.3 |
| 1935 | 27 | 32.3 |
| 1936 | 36 | 32.3 |
| 1937 | 26 | 32.3 |
| 1938 | 25 | 32.3 |
| 1939 | 22 | 32.3 |
| 1940 | 31 | 29.8 |
| 1941 | 38 | 29.8 |
| 1942 | 20 | 29.8 |
| 1943 | 32 | 29.8 |
| 1944 | 41 | 29.8 |
| 1945 | 26 | 29.8 |
| 1946 | 30 | 29.8 |
| 1947 | 27 | 29.8 |
| 1948 | 19 | 29.8 |
| 1949 | 34 | 29.8 |
| 1950 | 13 | 29.6 |
| 1951 | 26 | 29.6 |
| 1952 | 45 | 29.6 |
| 1953 | 39 | 29.6 |
| 1954 | 26 | 29.6 |
| 1955 | 52 | 29.6 |
| 1956 | 18 | 29.6 |
| 1957 | 19 | 29.6 |
| 1958 | 11 | 29.6 |
| 1959 | 47 | 29.6 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-07-02 | 1896-09-11 |
| 1897 | 1897-06-24 | 1897-09-16 |
| 1898 | 1898-06-30 | 1898-09-03 |
| 1899 | 1899-04-30 | 1899-08-20 |
| 1900 | 1900-06-26 | 1900-09-02 |
| 1902 | 1902-05-22 | 1902-08-31 |
| 1903 | 1903-05-17 | 1903-09-16 |
| 1904 | 1904-06-04 | 1904-08-25 |
| 1905 | 1905-05-04 | 1905-09-30 |
| 1906 | 1906-05-22 | 1906-09-19 |
| 1907 | 1907-06-18 | 1907-08-20 |
| 1908 | 1908-05-25 | 1908-09-27 |
| 1923 | 1923-06-04 | 1923-09-23 |
| 1924 | 1924-06-19 | 1924-10-05 |
| 1925 | 1925-04-25 | 1925-09-20 |
| 1926 | 1926-05-02 | 1926-08-29 |
| 1927 | 1927-05-21 | 1927-10-03 |
| 1928 | 1928-05-04 | 1928-09-10 |
| 1929 | 1929-05-26 | 1929-09-07 |
| 1930 | 1930-05-07 | 1930-09-15 |
| 1931 | 1931-05-28 | 1931-09-22 |
| 1932 | 1932-06-05 | 1932-09-13 |
| 1933 | 1933-05-13 | 1933-09-25 |
| 1934 | 1934-05-20 | 1934-09-25 |
| 1935 | 1935-06-14 | 1935-09-18 |
| 1936 | 1936-05-10 | 1936-09-15 |
| 1937 | 1937-05-31 | 1937-09-04 |
| 1938 | 1938-05-05 | 1938-08-22 |
| 1939 | 1939-05-31 | 1939-09-17 |
| 1940 | 1940-06-07 | 1940-09-22 |
| 1941 | 1941-05-21 | 1941-09-16 |
| 1942 | 1942-05-01 | 1942-09-16 |
| 1943 | 1943-06-03 | 1943-09-07 |
| 1944 | 1944-05-03 | 1944-09-03 |
| 1945 | 1945-06-14 | 1945-09-08 |
| 1946 | 1946-06-25 | 1946-10-06 |
| 1947 | 1947-06-10 | 1947-10-16 |
| 1948 | 1948-06-24 | 1948-09-18 |
| 1949 | 1949-05-05 | 1949-10-10 |
| 1950 | 1950-05-05 | 1950-08-29 |
| 1951 | 1951-06-18 | 1951-10-05 |
| 1952 | 1952-06-08 | 1952-09-15 |
| 1953 | 1953-06-05 | 1953-09-05 |
| 1954 | 1954-04-21 | 1954-09-29 |
| 1955 | 1955-05-22 | 1955-09-20 |
| 1956 | 1956-06-12 | 1956-09-05 |
| 1957 | 1957-06-13 | 1957-09-02 |
| 1958 | 1958-06-01 | 1958-09-07 |
| 1959 | 1959-05-06 | 1959-10-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 49 | 52 | 1955 | 47 |
| 35 C (95 F): Days | 18 | 7 | 1936 | 2 |
| 90 F (32.2 C): Days | 45 | 27 | 1934 | 11 |
| 100 F (37.8 C): Days | 1 | 1 | 1936 | 1 |
| 0 C (32 F): Ice days (max | 49 | 73 | 1904 | 34 |
| 0 C (32 F): Frost days (min | 48 | 173 | 1904 | 142 |
| -10 C (14 F): Days with min | 48 | 60 | 1904 | 42 |
| -20 C (-4 F): Days with min | 37 | 20 | 1904 | 2 |
| -30 C (-22 F): Days with min | 2 | 2 | 1904 | 1 |
| 20 C (68 F): Tropical nights (min | 47 | 20 | 1900 | 14 |
| 25 C (77 F): Days with min | 3 | 1 | 1931 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 46 | 53 | 1898 | 39 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 46 | 12 | 1937 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 24 | 2 | 1924 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1954 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 32 | 13 | 1956 | 7 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 2 | 1896 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 2 | 1 | 1936 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).