Grafton 1 NE Threshold Days by Year (USC00463630)
17 fixed thresholds counted per year at Grafton 1 NE (USC00463630): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grafton 1 NE Thresholds
- Grafton 1 NE: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1943 with 168.
- Grafton 1 NE: nights with a minimum temperature at or below -10 C (14 F) in 60 years, most in 1943 with 46.
- Grafton 1 NE: days with a maximum temperature at or above 30 C (86 F) in 58 years, most in 1941 with 99.
- Grafton 1 NE: days with a maximum temperature at or below 0 C (32 F) in 58 years, most in 1958 with 35.
- 17 fixed thresholds have at least one qualifying day at Grafton 1 NE.
Days at or above 30 C (86 F)
58 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1892 | 44 | 48.5 |
| 1893 | 39 | 48.5 |
| 1894 | 51 | 48.5 |
| 1895 | 56 | 48.5 |
| 1896 | 53 | 48.5 |
| 1897 | 41 | 48.5 |
| 1898 | 47 | 48.5 |
| 1899 | 57 | 48.5 |
| 1900 | 84 | 45.3 |
| 1901 | 53 | 45.3 |
| 1902 | 39 | 45.3 |
| 1903 | 42 | 45.3 |
| 1904 | 30 | 45.3 |
| 1905 | 34 | 45.3 |
| 1906 | 52 | 45.3 |
| 1907 | 14 | 45.3 |
| 1908 | 60 | 45.3 |
| 1910 | 71 | 64.3 |
| 1911 | 87 | 64.3 |
| 1912 | 62 | 64.3 |
| 1913 | 82 | 64.3 |
| 1914 | 72 | 64.3 |
| 1915 | 50 | 64.3 |
| 1917 | 14 | 64.3 |
| 1918 | 67 | 64.3 |
| 1919 | 74 | 64.3 |
| 1920 | 44 | 44 |
| 1931 | 60 | 67.6 |
| 1932 | 56 | 67.6 |
| 1933 | 48 | 67.6 |
| 1934 | 73 | 67.6 |
| 1935 | 53 | 67.6 |
| 1936 | 81 | 67.6 |
| 1937 | 66 | 67.6 |
| 1938 | 76 | 67.6 |
| 1939 | 95 | 67.6 |
| 1940 | 69 | 56.8 |
| 1941 | 99 | 56.8 |
| 1942 | 62 | 56.8 |
| 1943 | 53 | 56.8 |
| 1944 | 56 | 56.8 |
| 1945 | 47 | 56.8 |
| 1947 | 41 | 56.8 |
| 1948 | 32 | 56.8 |
| 1949 | 52 | 56.8 |
| 1950 | 14 | 46.8 |
| 1951 | 37 | 46.8 |
| 1952 | 52 | 46.8 |
| 1953 | 65 | 46.8 |
| 1954 | 41 | 46.8 |
| 1955 | 59 | 46.8 |
| 1957 | 58 | 46.8 |
| 1958 | 27 | 46.8 |
| 1959 | 68 | 46.8 |
| 1960 | 34 | 33.8 |
| 1961 | 37 | 33.8 |
| 1962 | 38 | 33.8 |
| 1963 | 26 | 33.8 |
| Year | First date | Last date |
|---|---|---|
| 1892 | 1892-05-18 | 1892-08-30 |
| 1893 | 1893-05-11 | 1893-09-22 |
| 1894 | 1894-05-10 | 1894-09-15 |
| 1895 | 1895-05-04 | 1895-09-25 |
| 1896 | 1896-04-13 | 1896-09-18 |
| 1897 | 1897-06-03 | 1897-10-16 |
| 1898 | 1898-05-19 | 1898-10-04 |
| 1899 | 1899-04-29 | 1899-10-15 |
| 1900 | 1900-05-08 | 1900-10-06 |
| 1901 | 1901-06-05 | 1901-09-07 |
| 1902 | 1902-04-22 | 1902-09-23 |
| 1903 | 1903-05-16 | 1903-10-04 |
| 1904 | 1904-05-13 | 1904-09-29 |
| 1905 | 1905-05-04 | 1905-09-29 |
| 1906 | 1906-05-15 | 1906-09-21 |
| 1907 | 1907-06-18 | 1907-10-03 |
| 1908 | 1908-04-24 | 1908-09-26 |
| 1910 | 1910-03-29 | 1910-10-18 |
| 1911 | 1911-05-10 | 1911-10-01 |
| 1912 | 1912-05-01 | 1912-10-11 |
| 1913 | 1913-04-24 | 1913-10-11 |
| 1914 | 1914-04-18 | 1914-09-23 |
| 1915 | 1915-04-20 | 1915-09-17 |
| 1917 | 1917-06-26 | 1917-09-02 |
| 1918 | 1918-05-05 | 1918-09-04 |
| 1919 | 1919-04-09 | 1919-10-10 |
| 1920 | 1920-04-22 | 1920-09-28 |
| 1931 | 1931-05-18 | 1931-10-06 |
| 1932 | 1932-05-08 | 1932-09-19 |
| 1933 | 1933-05-20 | 1933-09-26 |
| 1934 | 1934-05-05 | 1934-09-26 |
| 1935 | 1935-06-02 | 1935-09-25 |
| 1936 | 1936-05-01 | 1936-09-27 |
| 1937 | 1937-05-12 | 1937-10-03 |
| 1938 | 1938-03-23 | 1938-10-19 |
| 1939 | 1939-04-26 | 1939-10-11 |
| 1940 | 1940-05-07 | 1940-10-15 |
| 1941 | 1941-04-14 | 1941-10-08 |
| 1942 | 1942-04-26 | 1942-09-19 |
| 1943 | 1943-05-17 | 1943-09-30 |
| 1944 | 1944-05-04 | 1944-09-11 |
| 1945 | 1945-03-25 | 1945-09-29 |
| 1947 | 1947-04-05 | 1947-09-20 |
| 1948 | 1948-04-26 | 1948-09-17 |
| 1949 | 1949-05-04 | 1949-10-10 |
| 1950 | 1950-05-05 | 1950-08-27 |
| 1951 | 1951-06-01 | 1951-10-05 |
| 1952 | 1952-06-06 | 1952-09-14 |
| 1953 | 1953-05-25 | 1953-10-03 |
| 1954 | 1954-04-21 | 1954-09-29 |
| 1955 | 1955-05-21 | 1955-10-07 |
| 1957 | 1957-04-24 | 1957-09-19 |
| 1958 | 1958-05-17 | 1958-09-26 |
| 1959 | 1959-05-02 | 1959-10-06 |
| 1960 | 1960-04-24 | 1960-09-09 |
| 1961 | 1961-05-14 | 1961-09-25 |
| 1962 | 1962-04-27 | 1962-09-13 |
| 1963 | 1963-05-09 | 1963-08-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 58 | 99 | 1941 | 26 |
| 35 C (95 F): Days | 37 | 18 | 1913 | 5 |
| 40 C (104 F): Days | 1 | 1 | 1918 | 1 |
| 90 F (32.2 C): Days | 57 | 55 | 1941 | 11 |
| 100 F (37.8 C): Days | 7 | 3 | 1918 | 1 |
| 0 C (32 F): Ice days (max | 58 | 35 | 1958 | 23 |
| 0 C (32 F): Frost days (min | 60 | 168 | 1943 | 122 |
| -10 C (14 F): Days with min | 60 | 46 | 1943 | 27 |
| -20 C (-4 F): Days with min | 42 | 9 | 1899 | 6 |
| -30 C (-22 F): Days with min | 2 | 2 | 1899 | 1 |
| 20 C (68 F): Tropical nights (min | 54 | 15 | 1896 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 56 | 1907 | 28 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 17 | 1945 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 34 | 3 | 1901 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1945 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 17 | 6 | 1960 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 3 | 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 1892.
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).