Peterborough A Threshold Days by Year (CA006166418)
13 fixed thresholds counted per year at Peterborough A (CA006166418): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Peterborough A Thresholds
- Peterborough A: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 1983 with 19.
- Peterborough A: days with a maximum temperature at or below 0 C (32 F) in 14 years, most in 1978 with 92.
- Peterborough A: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1972 with 187.
- Peterborough A: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1970 with 86.
- 13 fixed thresholds have at least one qualifying day at Peterborough A.
Days at or above 30 C (86 F)
14 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 16 | 9.8 |
| 1971 | 11 | 9.8 |
| 1972 | 3 | 9.8 |
| 1973 | 18 | 9.8 |
| 1974 | 6 | 9.8 |
| 1975 | 13 | 9.8 |
| 1976 | 7 | 9.8 |
| 1977 | 8 | 9.8 |
| 1978 | 7 | 9.8 |
| 1979 | 9 | 9.8 |
| 1980 | 3 | 7.5 |
| 1981 | 5 | 7.5 |
| 1982 | 3 | 7.5 |
| 1983 | 19 | 7.5 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-06-09 | 1970-08-27 |
| 1971 | 1971-06-19 | 1971-09-06 |
| 1972 | 1972-07-12 | 1972-07-23 |
| 1973 | 1973-06-11 | 1973-09-05 |
| 1974 | 1974-07-04 | 1974-08-21 |
| 1975 | 1975-05-23 | 1975-08-10 |
| 1976 | 1976-06-08 | 1976-08-22 |
| 1977 | 1977-05-17 | 1977-09-01 |
| 1978 | 1978-05-26 | 1978-08-15 |
| 1979 | 1979-06-16 | 1979-07-23 |
| 1980 | 1980-05-23 | 1980-08-06 |
| 1981 | 1981-06-15 | 1981-07-11 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-06-12 | 1983-09-10 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 14 | 19 | 1983 | 19 |
| 35 C (95 F): Days | 1 | 1 | 1977 | 1 |
| 90 F (32.2 C): Days | 9 | 7 | 1973 | 2 |
| 0 C (32 F): Ice days (max | 14 | 92 | 1978 | 64 |
| 0 C (32 F): Frost days (min | 14 | 187 | 1972 | 168 |
| -10 C (14 F): Days with min | 14 | 86 | 1970 | 56 |
| -20 C (-4 F): Days with min | 14 | 33 | 1978 | 15 |
| -30 C (-22 F): Days with min | 11 | 6 | 1979 | 5 |
| 20 C (68 F): Tropical nights (min | 10 | 3 | 1970 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 14 | 33 | 1982 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 14 | 9 | 1981 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 2 | 1980 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 13 | 8 | 1971 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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).