Mankomen Lake Threshold Days by Year
12 fixed thresholds counted per year at Mankomen Lake (USC00505607): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mankomen Lake Thresholds
- Mankomen Lake: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 1966 with 166.
- Mankomen Lake: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1967 with 27.
- Mankomen Lake: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 1974 with 13.
- Mankomen Lake: nights with a minimum temperature at or below 0 C (32 F) in 11 years, most in 1969 with 291.
- 12 fixed thresholds have at least one qualifying day at Mankomen Lake.
Nights at or below 0 C (32 F)
11 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 277 | 276.8 |
| 1967 | 266 | 276.8 |
| 1968 | 273 | 276.8 |
| 1969 | 291 | 276.8 |
| 1970 | 274 | 278 |
| 1971 | 283 | 278 |
| 1973 | 286 | 278 |
| 1974 | 270 | 278 |
| 1975 | 275 | 278 |
| 1976 | 280 | 278 |
| 1982 | 261 | 261 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-01-01 | 1966-12-31 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1968 | 1968-01-01 | 1968-12-31 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-01 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-01 | 1974-12-31 |
| 1975 | 1975-01-01 | 1975-12-31 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1982 | 1982-01-01 | 1982-12-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 1 | 1 | 1969 | 1 |
| 0 C (32 F): Ice days (max | 12 | 166 | 1966 | 130 |
| 0 C (32 F): Frost days (min | 11 | 291 | 1969 | 261 |
| -10 C (14 F): Days with min | 11 | 189 | 1971 | 177 |
| -20 C (-4 F): Days with min | 11 | 114 | 1966 | 106 |
| -30 C (-22 F): Days with min | 11 | 46 | 1966 | 35 |
| -40 C (-40 F): Days with min | 8 | 12 | 1975 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 12 | 27 | 1967 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 10 | 4 | 1973 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 2006 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 12 | 13 | 1974 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 3 | 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 1969.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).