Norman Wells A Threshold Days by Year (CA002202800)
13 fixed thresholds counted per year at Norman Wells A (CA002202800): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Norman Wells A Thresholds
- Norman Wells A: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1961 with 206.
- Norman Wells A: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1947 with 261.
- Norman Wells A: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1974 with 208.
- Norman Wells A: nights with a minimum temperature at or below -20 C (-4 F) in 40 years, most in 1961 with 157.
- 13 fixed thresholds have at least one qualifying day at Norman Wells A.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1944 | 1 | 2.8 |
| 1945 | 1 | 2.8 |
| 1946 | 5 | 2.8 |
| 1947 | 2 | 2.8 |
| 1948 | 5 | 2.8 |
| 1949 | 3 | 2.8 |
| 1950 | 3 | 2.3 |
| 1951 | 5 | 2.3 |
| 1952 | 2 | 2.3 |
| 1954 | 1 | 2.3 |
| 1955 | 3 | 2.3 |
| 1958 | 1 | 2.3 |
| 1959 | 1 | 2.3 |
| 1960 | 1 | 1.7 |
| 1961 | 1 | 1.7 |
| 1962 | 2 | 1.7 |
| 1964 | 1 | 1.7 |
| 1966 | 2 | 1.7 |
| 1969 | 3 | 1.7 |
| 1971 | 2 | 2.8 |
| 1972 | 1 | 2.8 |
| 1973 | 4 | 2.8 |
| 1974 | 2 | 2.8 |
| 1975 | 6 | 2.8 |
| 1976 | 2 | 2.8 |
| 1977 | 2 | 2.8 |
| 1979 | 3 | 2.8 |
| 1980 | 1 | 4 |
| 1981 | 1 | 4 |
| 1982 | 10 | 4 |
| 1983 | 4 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1944 | 1944-07-19 | 1944-07-19 |
| 1945 | 1945-08-13 | 1945-08-13 |
| 1946 | 1946-06-17 | 1946-07-16 |
| 1947 | 1947-07-18 | 1947-07-19 |
| 1948 | 1948-05-28 | 1948-08-05 |
| 1949 | 1949-07-11 | 1949-07-13 |
| 1950 | 1950-06-16 | 1950-07-25 |
| 1951 | 1951-07-09 | 1951-08-13 |
| 1952 | 1952-07-13 | 1952-08-10 |
| 1954 | 1954-07-03 | 1954-07-03 |
| 1955 | 1955-06-23 | 1955-06-26 |
| 1958 | 1958-07-05 | 1958-07-05 |
| 1959 | 1959-07-11 | 1959-07-11 |
| 1960 | 1960-07-17 | 1960-07-17 |
| 1961 | 1961-07-06 | 1961-07-06 |
| 1962 | 1962-07-20 | 1962-07-21 |
| 1964 | 1964-07-09 | 1964-07-09 |
| 1966 | 1966-07-13 | 1966-07-18 |
| 1969 | 1969-06-13 | 1969-06-16 |
| 1971 | 1971-07-26 | 1971-07-27 |
| 1972 | 1972-06-24 | 1972-06-24 |
| 1973 | 1973-07-26 | 1973-07-29 |
| 1974 | 1974-06-15 | 1974-08-02 |
| 1975 | 1975-06-30 | 1975-07-12 |
| 1976 | 1976-07-29 | 1976-07-30 |
| 1977 | 1977-06-19 | 1977-06-20 |
| 1979 | 1979-07-10 | 1979-08-16 |
| 1980 | 1980-07-27 | 1980-07-27 |
| 1981 | 1981-07-25 | 1981-07-25 |
| 1982 | 1982-06-13 | 1982-07-07 |
| 1983 | 1983-06-27 | 1983-06-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 10 | 1982 | 4 |
| 90 F (32.2 C): Days | 5 | 3 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 40 | 206 | 1961 | 197 |
| 0 C (32 F): Frost days (min | 40 | 261 | 1947 | 241 |
| -10 C (14 F): Days with min | 40 | 208 | 1974 | 188 |
| -20 C (-4 F): Days with min | 40 | 157 | 1961 | 133 |
| -30 C (-22 F): Days with min | 40 | 88 | 1966 | 60 |
| -40 C (-40 F): Days with min | 38 | 33 | 1966 | 11 |
| 20 C (68 F): Tropical nights (min | 3 | 1 | 1961 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 11 | 1981 | 1 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 15 | 3 | 1952 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 22 | 5 | 1972 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1972 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.
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).