Steep Rock Threshold Days by Year (CA005042774)
13 fixed thresholds counted per year at Steep Rock (CA005042774): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Steep Rock Thresholds
- Steep Rock: nights with a minimum temperature at or below 0 C (32 F) in 6 years, most in 1966 with 208.
- Steep Rock: nights with a minimum temperature at or below -10 C (14 F) in 6 years, most in 1966 with 139.
- Steep Rock: nights with a minimum temperature at or below -20 C (-4 F) in 6 years, most in 1966 with 82.
- Steep Rock: nights with a minimum temperature at or below -30 C (-22 F) in 6 years, most in 1966 with 37.
- 13 fixed thresholds have at least one qualifying day at Steep Rock.
Days at or above 30 C (86 F)
4 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1962 | 1 | 2.3 |
| 1963 | 3 | 2.3 |
| 1964 | 3 | 2.3 |
| 1966 | 2 | 2.3 |
| Year | First date | Last date |
|---|---|---|
| 1962 | 1962-06-27 | 1962-06-27 |
| 1963 | 1963-06-28 | 1963-08-05 |
| 1964 | 1964-07-14 | 1964-08-01 |
| 1966 | 1966-06-29 | 1966-08-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 4 | 3 | 1963 | 2 |
| 0 C (32 F): Ice days (max | 4 | 143 | 1966 | 143 |
| 0 C (32 F): Frost days (min | 6 | 208 | 1966 | 208 |
| -10 C (14 F): Days with min | 6 | 139 | 1966 | 139 |
| -20 C (-4 F): Days with min | 6 | 82 | 1966 | 82 |
| -30 C (-22 F): Days with min | 6 | 37 | 1966 | 37 |
| -40 C (-40 F): Days with min | 2 | 5 | 1966 | 5 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1963 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 4 | 13 | 1962 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 3 | 3 | 1962 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 0 | n/a | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 4 | 5 | 1964 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1966 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.
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).