Whitehorse A Threshold Days by Year (CA002101300)
12 fixed thresholds counted per year at Whitehorse A (CA002101300): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Whitehorse A Thresholds
- Whitehorse A: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 1950 with 152.
- Whitehorse A: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1972 with 247.
- Whitehorse A: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1950 with 152.
- Whitehorse A: nights with a minimum temperature at or below -20 C (-4 F) in 41 years, most in 1972 with 87.
- 12 fixed thresholds have at least one qualifying day at Whitehorse A.
Days at or above 30 C (86 F)
16 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1947 | 1 | 1 |
| 1948 | 1 | 1 |
| 1950 | 2 | 2.3 |
| 1951 | 2 | 2.3 |
| 1953 | 1 | 2.3 |
| 1958 | 4 | 2.3 |
| 1961 | 1 | 2.7 |
| 1966 | 1 | 2.7 |
| 1969 | 6 | 2.7 |
| 1971 | 1 | 1.3 |
| 1976 | 2 | 1.3 |
| 1977 | 1 | 1.3 |
| 1978 | 1 | 1.3 |
| 1980 | 1 | 1 |
| 1982 | 1 | 1 |
| 1983 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1947 | 1947-05-28 | 1947-05-28 |
| 1948 | 1948-06-15 | 1948-06-15 |
| 1950 | 1950-06-17 | 1950-06-18 |
| 1951 | 1951-07-09 | 1951-07-10 |
| 1953 | 1953-08-04 | 1953-08-04 |
| 1958 | 1958-06-06 | 1958-07-06 |
| 1961 | 1961-07-27 | 1961-07-27 |
| 1966 | 1966-07-17 | 1966-07-17 |
| 1969 | 1969-06-09 | 1969-06-15 |
| 1971 | 1971-07-31 | 1971-07-31 |
| 1976 | 1976-07-30 | 1976-07-31 |
| 1977 | 1977-08-18 | 1977-08-18 |
| 1978 | 1978-07-10 | 1978-07-10 |
| 1980 | 1980-06-06 | 1980-06-06 |
| 1982 | 1982-07-28 | 1982-07-28 |
| 1983 | 1983-05-30 | 1983-05-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 16 | 6 | 1969 | 1 |
| 90 F (32.2 C): Days | 3 | 3 | 1969 | 1 |
| 0 C (32 F): Ice days (max | 41 | 152 | 1950 | 137 |
| 0 C (32 F): Frost days (min | 41 | 247 | 1972 | 229 |
| -10 C (14 F): Days with min | 41 | 152 | 1950 | 123 |
| -20 C (-4 F): Days with min | 41 | 87 | 1972 | 67 |
| -30 C (-22 F): Days with min | 41 | 43 | 1951 | 29 |
| -40 C (-40 F): Days with min | 38 | 20 | 1975 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 8 | 1944 | 2 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 3 | 1 | 1948 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 21 | 4 | 1982 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1967 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.
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).