New London Threshold Days by Year (USC00065309)
16 fixed thresholds counted per year at New London (USC00065309): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for New London Thresholds
- New London: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1904 with 132.
- New London: nights with a minimum temperature at or below -10 C (14 F) in 54 years, most in 1934 with 37.
- New London: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 1930 with 41.
- New London: days with a maximum temperature at or below 0 C (32 F) in 53 years, most in 1904 with 44.
- 16 fixed thresholds have at least one qualifying day at New London.
Days at or above 30 C (86 F)
53 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 13 | 7.8 |
| 1897 | 3 | 7.8 |
| 1898 | 10 | 7.8 |
| 1899 | 5 | 7.8 |
| 1900 | 21 | 11.2 |
| 1902 | 6 | 11.2 |
| 1903 | 17 | 11.2 |
| 1904 | 5 | 11.2 |
| 1905 | 6 | 11.2 |
| 1906 | 15 | 11.2 |
| 1907 | 7 | 11.2 |
| 1908 | 11 | 11.2 |
| 1909 | 13 | 11.2 |
| 1910 | 19 | 19.1 |
| 1911 | 25 | 19.1 |
| 1912 | 15 | 19.1 |
| 1913 | 26 | 19.1 |
| 1914 | 27 | 19.1 |
| 1915 | 19 | 19.1 |
| 1916 | 16 | 19.1 |
| 1917 | 13 | 19.1 |
| 1918 | 16 | 19.1 |
| 1919 | 15 | 19.1 |
| 1920 | 5 | 12.8 |
| 1921 | 13 | 12.8 |
| 1922 | 11 | 12.8 |
| 1923 | 13 | 12.8 |
| 1924 | 13 | 12.8 |
| 1925 | 15 | 12.8 |
| 1926 | 11 | 12.8 |
| 1927 | 10 | 12.8 |
| 1929 | 24 | 12.8 |
| 1930 | 41 | 22.1 |
| 1931 | 26 | 22.1 |
| 1932 | 20 | 22.1 |
| 1933 | 16 | 22.1 |
| 1934 | 21 | 22.1 |
| 1935 | 15 | 22.1 |
| 1936 | 22 | 22.1 |
| 1937 | 26 | 22.1 |
| 1938 | 11 | 22.1 |
| 1939 | 23 | 22.1 |
| 1942 | 7 | 14.7 |
| 1943 | 19 | 14.7 |
| 1945 | 16 | 14.7 |
| 1946 | 10 | 14.7 |
| 1947 | 13 | 14.7 |
| 1948 | 16 | 14.7 |
| 1949 | 22 | 14.7 |
| 1950 | 4 | 9.3 |
| 1951 | 7 | 9.3 |
| 1953 | 22 | 9.3 |
| 1954 | 4 | 9.3 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-05-10 | 1896-08-13 |
| 1897 | 1897-09-06 | 1897-09-11 |
| 1898 | 1898-06-13 | 1898-09-04 |
| 1899 | 1899-06-05 | 1899-07-27 |
| 1900 | 1900-05-16 | 1900-09-07 |
| 1902 | 1902-05-24 | 1902-09-02 |
| 1903 | 1903-05-19 | 1903-09-16 |
| 1904 | 1904-06-23 | 1904-07-07 |
| 1905 | 1905-06-26 | 1905-07-20 |
| 1906 | 1906-05-13 | 1906-09-19 |
| 1907 | 1907-06-22 | 1907-08-08 |
| 1908 | 1908-05-27 | 1908-08-14 |
| 1909 | 1909-06-21 | 1909-08-09 |
| 1910 | 1910-06-21 | 1910-07-28 |
| 1911 | 1911-05-22 | 1911-09-20 |
| 1912 | 1912-06-02 | 1912-09-11 |
| 1913 | 1913-05-03 | 1913-08-20 |
| 1914 | 1914-05-20 | 1914-09-23 |
| 1915 | 1915-04-25 | 1915-09-17 |
| 1916 | 1916-07-01 | 1916-09-08 |
| 1917 | 1917-06-24 | 1917-08-19 |
| 1918 | 1918-05-06 | 1918-08-23 |
| 1919 | 1919-06-02 | 1919-09-08 |
| 1920 | 1920-06-11 | 1920-08-17 |
| 1921 | 1921-05-22 | 1921-09-01 |
| 1922 | 1922-05-19 | 1922-10-05 |
| 1923 | 1923-06-05 | 1923-08-05 |
| 1924 | 1924-06-24 | 1924-09-01 |
| 1925 | 1925-06-01 | 1925-08-26 |
| 1926 | 1926-06-30 | 1926-08-29 |
| 1927 | 1927-04-20 | 1927-09-07 |
| 1929 | 1929-05-28 | 1929-09-04 |
| 1930 | 1930-05-05 | 1930-09-27 |
| 1931 | 1931-05-28 | 1931-10-08 |
| 1932 | 1932-06-04 | 1932-09-02 |
| 1933 | 1933-06-12 | 1933-08-28 |
| 1934 | 1934-05-06 | 1934-07-22 |
| 1935 | 1935-07-05 | 1935-08-22 |
| 1936 | 1936-05-09 | 1936-09-17 |
| 1937 | 1937-05-31 | 1937-09-04 |
| 1938 | 1938-07-10 | 1938-08-23 |
| 1939 | 1939-05-07 | 1939-10-10 |
| 1942 | 1942-04-30 | 1942-09-03 |
| 1943 | 1943-06-03 | 1943-08-25 |
| 1945 | 1945-06-14 | 1945-09-09 |
| 1946 | 1946-06-26 | 1946-09-20 |
| 1947 | 1947-06-12 | 1947-09-13 |
| 1948 | 1948-06-25 | 1948-08-30 |
| 1949 | 1949-06-21 | 1949-08-12 |
| 1950 | 1950-06-08 | 1950-07-31 |
| 1951 | 1951-07-15 | 1951-08-12 |
| 1953 | 1953-06-21 | 1953-09-05 |
| 1954 | 1954-06-26 | 1954-08-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 53 | 41 | 1930 | 4 |
| 35 C (95 F): Days | 15 | 5 | 1934 | 1 |
| 90 F (32.2 C): Days | 47 | 15 | 1949 | 1 |
| 100 F (37.8 C): Days | 1 | 2 | 1948 | 2 |
| 0 C (32 F): Ice days (max | 53 | 44 | 1904 | 18 |
| 0 C (32 F): Frost days (min | 54 | 132 | 1904 | 100 |
| -10 C (14 F): Days with min | 54 | 37 | 1934 | 15 |
| -20 C (-4 F): Days with min | 18 | 4 | 1934 | 2 |
| 20 C (68 F): Tropical nights (min | 53 | 33 | 1900 | 5 |
| 25 C (77 F): Days with min | 8 | 1 | 1898 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 53 | 1898 | 34 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 22 | 1953 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 33 | 6 | 1936 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 2 | 1932 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 5 | 6 | 1904 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 3 | 1904 | 3 |
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).