Hay River A Threshold Days by Year (CA002202400)
15 fixed thresholds counted per year at Hay River A (CA002202400): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hay River A Thresholds
- Hay River A: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1961 with 184.
- Hay River A: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1959 with 242.
- Hay River A: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1961 with 181.
- Hay River A: nights with a minimum temperature at or below -20 C (-4 F) in 40 years, most in 1955 with 134.
- 15 fixed thresholds have at least one qualifying day at Hay River A.
Days at or above 30 C (86 F)
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 5 | 3.3 |
| 1946 | 2 | 3.3 |
| 1947 | 1 | 3.3 |
| 1948 | 5 | 3.3 |
| 1950 | 2 | 2.9 |
| 1951 | 2 | 2.9 |
| 1952 | 2 | 2.9 |
| 1953 | 6 | 2.9 |
| 1955 | 7 | 2.9 |
| 1956 | 1 | 2.9 |
| 1958 | 1 | 2.9 |
| 1959 | 2 | 2.9 |
| 1961 | 1 | 1.7 |
| 1963 | 1 | 1.7 |
| 1964 | 1 | 1.7 |
| 1965 | 3 | 1.7 |
| 1966 | 1 | 1.7 |
| 1967 | 3 | 1.7 |
| 1969 | 2 | 1.7 |
| 1970 | 4 | 3.6 |
| 1971 | 3 | 3.6 |
| 1972 | 3 | 3.6 |
| 1973 | 3 | 3.6 |
| 1974 | 1 | 3.6 |
| 1975 | 4 | 3.6 |
| 1979 | 7 | 3.6 |
| 1980 | 1 | 2.3 |
| 1981 | 4 | 2.3 |
| 1982 | 2 | 2.3 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-07-13 | 1945-08-14 |
| 1946 | 1946-06-18 | 1946-08-21 |
| 1947 | 1947-07-27 | 1947-07-27 |
| 1948 | 1948-05-30 | 1948-08-05 |
| 1950 | 1950-06-17 | 1950-07-23 |
| 1951 | 1951-08-03 | 1951-09-06 |
| 1952 | 1952-06-28 | 1952-07-13 |
| 1953 | 1953-07-08 | 1953-08-15 |
| 1955 | 1955-06-10 | 1955-08-30 |
| 1956 | 1956-07-20 | 1956-07-20 |
| 1958 | 1958-07-06 | 1958-07-06 |
| 1959 | 1959-07-11 | 1959-07-12 |
| 1961 | 1961-07-07 | 1961-07-07 |
| 1963 | 1963-08-19 | 1963-08-19 |
| 1964 | 1964-07-09 | 1964-07-09 |
| 1965 | 1965-06-17 | 1965-07-29 |
| 1966 | 1966-06-17 | 1966-06-17 |
| 1967 | 1967-06-25 | 1967-08-10 |
| 1969 | 1969-07-10 | 1969-07-20 |
| 1970 | 1970-06-03 | 1970-08-02 |
| 1971 | 1971-07-29 | 1971-08-02 |
| 1972 | 1972-05-29 | 1972-08-23 |
| 1973 | 1973-07-19 | 1973-08-08 |
| 1974 | 1974-08-04 | 1974-08-04 |
| 1975 | 1975-07-01 | 1975-07-11 |
| 1979 | 1979-06-26 | 1979-08-17 |
| 1980 | 1980-06-08 | 1980-06-08 |
| 1981 | 1981-07-12 | 1981-08-09 |
| 1982 | 1982-06-14 | 1982-08-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 29 | 7 | 1955 | 2 |
| 35 C (95 F): Days | 3 | 1 | 1971 | 1 |
| 90 F (32.2 C): Days | 16 | 4 | 1953 | 3 |
| 0 C (32 F): Ice days (max | 40 | 184 | 1961 | 171 |
| 0 C (32 F): Frost days (min | 40 | 242 | 1959 | 233 |
| -10 C (14 F): Days with min | 40 | 181 | 1961 | 152 |
| -20 C (-4 F): Days with min | 40 | 134 | 1955 | 108 |
| -30 C (-22 F): Days with min | 40 | 72 | 1966 | 40 |
| -40 C (-40 F): Days with min | 38 | 22 | 1966 | 2 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1975 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 13 | 1963 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 4 | 1961 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 31 | 9 | 1963 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 2 | 1961 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.
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).