Clarington Lock 14 Threshold Days by Year (USC00331600)
17 fixed thresholds counted per year at Clarington Lock 14 (USC00331600): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Clarington Lock 14 Thresholds
- Clarington Lock 14: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1956 with 49.
- Clarington Lock 14: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1921 with 16.
- Clarington Lock 14: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1921 with 3.
- Clarington Lock 14: nights with a minimum temperature at or below 0 C (32 F) in 17 years, most in 1910 with 139.
- 17 fixed thresholds have at least one qualifying day at Clarington Lock 14.
Days at or above 30 C (86 F)
16 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1904 | 61 | 55.3 |
| 1905 | 53 | 55.3 |
| 1906 | 71 | 55.3 |
| 1907 | 28 | 55.3 |
| 1908 | 73 | 55.3 |
| 1909 | 46 | 55.3 |
| 1910 | 58 | 61.4 |
| 1911 | 79 | 61.4 |
| 1912 | 50 | 61.4 |
| 1913 | 65 | 61.4 |
| 1916 | 32 | 61.4 |
| 1918 | 63 | 61.4 |
| 1919 | 83 | 61.4 |
| 1920 | 51 | 71.7 |
| 1921 | 96 | 71.7 |
| 1923 | 68 | 71.7 |
| Year | First date | Last date |
|---|---|---|
| 1904 | 1904-05-06 | 1904-10-19 |
| 1905 | 1905-05-04 | 1905-10-09 |
| 1906 | 1906-04-13 | 1906-09-21 |
| 1907 | 1907-03-27 | 1907-09-20 |
| 1908 | 1908-04-24 | 1908-10-18 |
| 1909 | 1909-06-20 | 1909-10-10 |
| 1910 | 1910-06-17 | 1910-10-18 |
| 1911 | 1911-04-30 | 1911-09-24 |
| 1912 | 1912-05-22 | 1912-09-23 |
| 1913 | 1913-04-24 | 1913-10-09 |
| 1916 | 1916-04-20 | 1916-09-06 |
| 1918 | 1918-03-20 | 1918-09-05 |
| 1919 | 1919-05-04 | 1919-10-04 |
| 1920 | 1920-04-22 | 1920-09-26 |
| 1921 | 1921-04-04 | 1921-09-30 |
| 1923 | 1923-04-22 | 1923-09-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 16 | 96 | 1921 | 68 |
| 35 C (95 F): Days | 10 | 19 | 1911 | 4 |
| 40 C (104 F): Days | 1 | 3 | 1918 | 3 |
| 90 F (32.2 C): Days | 16 | 52 | 1911 | 27 |
| 100 F (37.8 C): Days | 4 | 7 | 1918 | 2 |
| 0 C (32 F): Ice days (max | 16 | 33 | 1912 | 4 |
| 0 C (32 F): Frost days (min | 17 | 139 | 1910 | 99 |
| -10 C (14 F): Days with min | 17 | 40 | 1912 | 9 |
| -20 C (-4 F): Days with min | 11 | 8 | 1912 | 1 |
| 20 C (68 F): Tropical nights (min | 16 | 28 | 1916 | 14 |
| 25 C (77 F): Days with min | 1 | 1 | 1916 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 38 | 49 | 1956 | 40 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 38 | 16 | 1921 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 23 | 3 | 1921 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1916 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 7 | 3 | 1962 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.
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).