Brockville Pcc Threshold Days by Year (CA006100971)
14 fixed thresholds counted per year at Brockville Pcc (CA006100971): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Brockville Pcc Thresholds
- Brockville Pcc: days with a maximum temperature at or below 0 C (32 F) in 18 years, most in 1978 with 90.
- Brockville Pcc: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1977 with 41.
- Brockville Pcc: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1972 with 9.
- Brockville Pcc: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1977 with 10.
- 14 fixed thresholds have at least one qualifying day at Brockville Pcc.
Days at or above 30 C (86 F)
15 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 7 | 4 |
| 1968 | 1 | 4 |
| 1970 | 1 | 5.1 |
| 1971 | 3 | 5.1 |
| 1972 | 1 | 5.1 |
| 1973 | 16 | 5.1 |
| 1975 | 10 | 5.1 |
| 1976 | 1 | 5.1 |
| 1977 | 5 | 5.1 |
| 1978 | 5 | 5.1 |
| 1979 | 4 | 5.1 |
| 1980 | 1 | 4.3 |
| 1981 | 3 | 4.3 |
| 1982 | 5 | 4.3 |
| 1983 | 8 | 4.3 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-06-24 | 1966-08-09 |
| 1968 | 1968-07-17 | 1968-07-17 |
| 1970 | 1970-07-30 | 1970-07-30 |
| 1971 | 1971-08-19 | 1971-09-06 |
| 1972 | 1972-07-21 | 1972-07-21 |
| 1973 | 1973-07-09 | 1973-09-06 |
| 1975 | 1975-06-24 | 1975-08-17 |
| 1976 | 1976-06-15 | 1976-06-15 |
| 1977 | 1977-06-28 | 1977-07-18 |
| 1978 | 1978-07-20 | 1978-08-19 |
| 1979 | 1979-07-14 | 1979-07-23 |
| 1980 | 1980-08-05 | 1980-08-05 |
| 1981 | 1981-07-07 | 1981-07-10 |
| 1982 | 1982-07-15 | 1982-07-26 |
| 1983 | 1983-06-14 | 1983-08-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 15 | 16 | 1973 | 8 |
| 35 C (95 F): Days | 1 | 1 | 1970 | 1 |
| 90 F (32.2 C): Days | 7 | 3 | 1975 | 2 |
| 0 C (32 F): Ice days (max | 18 | 90 | 1978 | 64 |
| 0 C (32 F): Frost days (min | 16 | 169 | 1972 | 138 |
| -10 C (14 F): Days with min | 16 | 78 | 1970 | 50 |
| -20 C (-4 F): Days with min | 16 | 26 | 1968 | 13 |
| -30 C (-22 F): Days with min | 7 | 2 | 1968 | 2 |
| 20 C (68 F): Tropical nights (min | 15 | 21 | 1973 | 13 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 18 | 41 | 1977 | 32 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 9 | 1972 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 3 | 1979 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 10 | 1977 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 2 | 1966 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.
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 (2026-10-17).