Halifax Citadel Threshold Days by Year (CA008202220)
13 fixed thresholds counted per year at Halifax Citadel (CA008202220): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Halifax Citadel Thresholds
- Halifax Citadel: days with a maximum temperature at or below 0 C (32 F) in 24 years, most in 1934 with 72.
- Halifax Citadel: nights with a minimum temperature at or below 0 C (32 F) in 24 years, most in 1972 with 168.
- Halifax Citadel: nights with a minimum temperature at or below -10 C (14 F) in 24 years, most in 1934 with 59.
- Halifax Citadel: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1972 with 64.
- 13 fixed thresholds have at least one qualifying day at Halifax Citadel.
Days at or above 30 C (86 F)
17 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1935 | 5 | 4.3 |
| 1937 | 4 | 4.3 |
| 1938 | 2 | 4.3 |
| 1939 | 6 | 4.3 |
| 1950 | 1 | 1 |
| 1969 | 2 | 2 |
| 1970 | 1 | 1.5 |
| 1971 | 1 | 1.5 |
| 1973 | 1 | 1.5 |
| 1975 | 2 | 1.5 |
| 1976 | 2 | 1.5 |
| 1977 | 2 | 1.5 |
| 1978 | 2 | 1.5 |
| 1979 | 1 | 1.5 |
| 1980 | 2 | 1.7 |
| 1981 | 1 | 1.7 |
| 1983 | 2 | 1.7 |
| Year | First date | Last date |
|---|---|---|
| 1935 | 1935-08-15 | 1935-08-20 |
| 1937 | 1937-07-23 | 1937-08-09 |
| 1938 | 1938-07-31 | 1938-08-06 |
| 1939 | 1939-07-05 | 1939-09-17 |
| 1950 | 1950-06-08 | 1950-06-08 |
| 1969 | 1969-06-29 | 1969-09-01 |
| 1970 | 1970-07-26 | 1970-07-26 |
| 1971 | 1971-08-10 | 1971-08-10 |
| 1973 | 1973-07-09 | 1973-07-09 |
| 1975 | 1975-06-23 | 1975-07-19 |
| 1976 | 1976-06-24 | 1976-08-22 |
| 1977 | 1977-05-23 | 1977-07-21 |
| 1978 | 1978-07-21 | 1978-08-23 |
| 1979 | 1979-06-16 | 1979-06-16 |
| 1980 | 1980-08-05 | 1980-08-24 |
| 1981 | 1981-08-01 | 1981-08-01 |
| 1983 | 1983-06-22 | 1983-06-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 17 | 6 | 1939 | 2 |
| 90 F (32.2 C): Days | 6 | 2 | 1935 | 1 |
| 0 C (32 F): Ice days (max | 24 | 72 | 1934 | 39 |
| 0 C (32 F): Frost days (min | 24 | 168 | 1972 | 118 |
| -10 C (14 F): Days with min | 24 | 59 | 1934 | 34 |
| -20 C (-4 F): Days with min | 13 | 7 | 1934 | 4 |
| 20 C (68 F): Tropical nights (min | 7 | 3 | 1937 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 23 | 64 | 1972 | 54 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 23 | 33 | 1979 | 23 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 22 | 7 | 1972 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1971 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 23 | 15 | 1972 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 6 | 3 | 1983 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.
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).