Grand Falls Threshold Days by Year (CA008402050)
13 fixed thresholds counted per year at Grand Falls (CA008402050): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grand Falls Thresholds
- Grand Falls: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 1972 with 95.
- Grand Falls: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1976 with 43.
- Grand Falls: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1983 with 12.
- Grand Falls: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1938 with 15.
- 13 fixed thresholds have at least one qualifying day at Grand Falls.
Days at or above 30 C (86 F)
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1937 | 6 | 4 |
| 1938 | 2 | 4 |
| 1939 | 4 | 4 |
| 1940 | 1 | 1.6 |
| 1941 | 2 | 1.6 |
| 1942 | 1 | 1.6 |
| 1944 | 3 | 1.6 |
| 1945 | 1 | 1.6 |
| 1959 | 6 | 6 |
| 1960 | 4 | 2.9 |
| 1961 | 3 | 2.9 |
| 1962 | 1 | 2.9 |
| 1963 | 2 | 2.9 |
| 1965 | 1 | 2.9 |
| 1967 | 9 | 2.9 |
| 1968 | 1 | 2.9 |
| 1969 | 2 | 2.9 |
| 1970 | 10 | 5.2 |
| 1972 | 2 | 5.2 |
| 1973 | 3 | 5.2 |
| 1974 | 1 | 5.2 |
| 1975 | 9 | 5.2 |
| 1976 | 8 | 5.2 |
| 1977 | 2 | 5.2 |
| 1978 | 4 | 5.2 |
| 1979 | 8 | 5.2 |
| 1981 | 4 | 3.3 |
| 1982 | 3 | 3.3 |
| 1983 | 3 | 3.3 |
| Year | First date | Last date |
|---|---|---|
| 1937 | 1937-06-09 | 1937-08-17 |
| 1938 | 1938-07-26 | 1938-08-01 |
| 1939 | 1939-06-30 | 1939-07-27 |
| 1940 | 1940-08-05 | 1940-08-05 |
| 1941 | 1941-07-24 | 1941-07-25 |
| 1942 | 1942-07-03 | 1942-07-03 |
| 1944 | 1944-06-28 | 1944-08-14 |
| 1945 | 1945-07-20 | 1945-07-20 |
| 1959 | 1959-07-06 | 1959-08-02 |
| 1960 | 1960-06-28 | 1960-08-21 |
| 1961 | 1961-07-24 | 1961-08-20 |
| 1962 | 1962-06-30 | 1962-06-30 |
| 1963 | 1963-07-13 | 1963-07-14 |
| 1965 | 1965-08-15 | 1965-08-15 |
| 1967 | 1967-06-04 | 1967-08-17 |
| 1968 | 1968-07-10 | 1968-07-10 |
| 1969 | 1969-06-28 | 1969-07-30 |
| 1970 | 1970-07-10 | 1970-08-17 |
| 1972 | 1972-07-16 | 1972-07-17 |
| 1973 | 1973-07-02 | 1973-07-20 |
| 1974 | 1974-06-29 | 1974-06-29 |
| 1975 | 1975-07-07 | 1975-08-10 |
| 1976 | 1976-06-06 | 1976-08-22 |
| 1977 | 1977-07-17 | 1977-08-29 |
| 1978 | 1978-07-09 | 1978-08-16 |
| 1979 | 1979-06-21 | 1979-08-05 |
| 1981 | 1981-07-03 | 1981-08-02 |
| 1982 | 1982-07-08 | 1982-08-17 |
| 1983 | 1983-07-05 | 1983-08-17 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 29 | 10 | 1970 | 3 |
| 90 F (32.2 C): Days | 12 | 2 | 1937 | 1 |
| 0 C (32 F): Ice days (max | 35 | 95 | 1972 | 69 |
| 0 C (32 F): Frost days (min | 34 | 229 | 1939 | 156 |
| -10 C (14 F): Days with min | 34 | 93 | 1972 | 60 |
| -20 C (-4 F): Days with min | 31 | 32 | 1939 | 8 |
| -30 C (-22 F): Days with min | 3 | 4 | 1939 | 2 |
| 20 C (68 F): Tropical nights (min | 14 | 4 | 1973 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 35 | 43 | 1976 | 40 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 35 | 12 | 1983 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 3 | 1983 | 3 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 35 | 15 | 1938 | 9 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 28 | 3 | 1938 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.
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).