Runnymede Spottsville Threshold Days by Year (USC00447435)
17 fixed thresholds counted per year at Runnymede Spottsville (USC00447435): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Runnymede Spottsville Thresholds
- Runnymede Spottsville: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1900 with 105.
- Runnymede Spottsville: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1900 with 80.
- Runnymede Spottsville: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1904 with 113.
- Runnymede Spottsville: nights with a minimum temperature at or above 20 C (68 F) in 36 years, most in 1913 with 72.
- 17 fixed thresholds have at least one qualifying day at Runnymede Spottsville.
Days at or above 30 C (86 F)
37 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1893 | 56 | 77 |
| 1894 | 70 | 77 |
| 1895 | 85 | 77 |
| 1896 | 85 | 77 |
| 1897 | 78 | 77 |
| 1898 | 78 | 77 |
| 1899 | 87 | 77 |
| 1900 | 105 | 67 |
| 1901 | 71 | 67 |
| 1902 | 78 | 67 |
| 1903 | 58 | 67 |
| 1904 | 63 | 67 |
| 1905 | 64 | 67 |
| 1906 | 65 | 67 |
| 1907 | 57 | 67 |
| 1908 | 50 | 67 |
| 1909 | 59 | 67 |
| 1910 | 69 | 65.9 |
| 1911 | 89 | 65.9 |
| 1912 | 81 | 65.9 |
| 1913 | 70 | 65.9 |
| 1914 | 65 | 65.9 |
| 1915 | 69 | 65.9 |
| 1916 | 47 | 65.9 |
| 1917 | 42 | 65.9 |
| 1918 | 57 | 65.9 |
| 1919 | 70 | 65.9 |
| 1920 | 54 | 62 |
| 1921 | 84 | 62 |
| 1922 | 61 | 62 |
| 1923 | 58 | 62 |
| 1924 | 50 | 62 |
| 1925 | 64 | 62 |
| 1926 | 79 | 62 |
| 1927 | 49 | 62 |
| 1928 | 57 | 62 |
| 1929 | 64 | 62 |
| Year | First date | Last date |
|---|---|---|
| 1893 | 1893-04-08 | 1893-09-25 |
| 1894 | 1894-04-28 | 1894-09-17 |
| 1895 | 1895-05-09 | 1895-09-26 |
| 1896 | 1896-04-16 | 1896-09-19 |
| 1897 | 1897-04-25 | 1897-10-01 |
| 1898 | 1898-04-23 | 1898-10-05 |
| 1899 | 1899-04-14 | 1899-09-19 |
| 1900 | 1900-05-08 | 1900-10-08 |
| 1901 | 1901-05-01 | 1901-09-17 |
| 1902 | 1902-04-22 | 1902-09-29 |
| 1903 | 1903-04-29 | 1903-10-05 |
| 1904 | 1904-05-09 | 1904-10-11 |
| 1905 | 1905-04-11 | 1905-10-19 |
| 1906 | 1906-05-02 | 1906-09-30 |
| 1907 | 1907-03-23 | 1907-09-24 |
| 1908 | 1908-04-24 | 1908-09-28 |
| 1909 | 1909-04-06 | 1909-09-23 |
| 1910 | 1910-03-30 | 1910-10-16 |
| 1911 | 1911-05-10 | 1911-09-29 |
| 1912 | 1912-05-25 | 1912-10-12 |
| 1913 | 1913-04-23 | 1913-09-08 |
| 1914 | 1914-04-29 | 1914-09-23 |
| 1915 | 1915-04-20 | 1915-09-26 |
| 1916 | 1916-05-07 | 1916-10-09 |
| 1917 | 1917-04-19 | 1917-09-02 |
| 1918 | 1918-05-05 | 1918-09-18 |
| 1919 | 1919-04-15 | 1919-10-28 |
| 1920 | 1920-03-30 | 1920-10-15 |
| 1921 | 1921-03-21 | 1921-09-30 |
| 1922 | 1922-04-08 | 1922-10-05 |
| 1923 | 1923-06-02 | 1923-09-24 |
| 1924 | 1924-05-29 | 1924-09-13 |
| 1925 | 1925-04-23 | 1925-10-17 |
| 1926 | 1926-04-22 | 1926-10-04 |
| 1927 | 1927-04-20 | 1927-10-01 |
| 1928 | 1928-05-04 | 1928-09-13 |
| 1929 | 1929-03-24 | 1929-09-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 37 | 105 | 1900 | 64 |
| 35 C (95 F): Days | 33 | 40 | 1900 | 5 |
| 40 C (104 F): Days | 2 | 1 | 1901 | 1 |
| 90 F (32.2 C): Days | 37 | 80 | 1900 | 16 |
| 100 F (37.8 C): Days | 10 | 17 | 1900 | 1 |
| 0 C (32 F): Ice days (max | 34 | 17 | 1917 | 1 |
| 0 C (32 F): Frost days (min | 36 | 113 | 1904 | 77 |
| -10 C (14 F): Days with min | 34 | 17 | 1899 | 2 |
| -20 C (-4 F): Days with min | 2 | 5 | 1893 | 1 |
| 20 C (68 F): Tropical nights (min | 36 | 72 | 1913 | 33 |
| 25 C (77 F): Days with min | 11 | 7 | 1898 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 35 | 53 | 1927 | 53 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 35 | 22 | 1924 | 18 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 32 | 6 | 1913 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1893 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 14 | 4 | 1899 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1896 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.
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).