Little River Mine Threshold Days by Year (CA008102350)
15 fixed thresholds counted per year at Little River Mine (CA008102350): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Little River Mine Thresholds
- Little River Mine: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1961 with 19.
- Little River Mine: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1974 with 231.
- Little River Mine: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 1978 with 119.
- Little River Mine: nights with a minimum temperature at or below -20 C (-4 F) in 22 years, most in 1972 with 58.
- 15 fixed thresholds have at least one qualifying day at Little River Mine.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1958 | 3 | 3 |
| 1961 | 2 | 3.8 |
| 1965 | 4 | 3.8 |
| 1967 | 4 | 3.8 |
| 1968 | 4 | 3.8 |
| 1969 | 5 | 3.8 |
| 1970 | 12 | 5.3 |
| 1971 | 2 | 5.3 |
| 1972 | 2 | 5.3 |
| 1973 | 2 | 5.3 |
| 1974 | 3 | 5.3 |
| 1975 | 11 | 5.3 |
| 1976 | 9 | 5.3 |
| 1977 | 7 | 5.3 |
| 1978 | 1 | 5.3 |
| 1979 | 4 | 5.3 |
| 1980 | 1 | 3.5 |
| 1981 | 3 | 3.5 |
| 1982 | 3 | 3.5 |
| 1983 | 7 | 3.5 |
| Year | First date | Last date |
|---|---|---|
| 1958 | 1958-08-18 | 1958-08-30 |
| 1961 | 1961-07-23 | 1961-07-24 |
| 1965 | 1965-06-21 | 1965-09-23 |
| 1967 | 1967-06-04 | 1967-07-22 |
| 1968 | 1968-07-09 | 1968-07-19 |
| 1969 | 1969-06-12 | 1969-07-16 |
| 1970 | 1970-06-10 | 1970-08-16 |
| 1971 | 1971-07-10 | 1971-08-11 |
| 1972 | 1972-07-12 | 1972-07-13 |
| 1973 | 1973-07-25 | 1973-07-26 |
| 1974 | 1974-08-11 | 1974-08-22 |
| 1975 | 1975-06-23 | 1975-08-11 |
| 1976 | 1976-06-06 | 1976-08-22 |
| 1977 | 1977-05-22 | 1977-08-29 |
| 1978 | 1978-08-16 | 1978-08-16 |
| 1979 | 1979-06-16 | 1979-07-25 |
| 1980 | 1980-06-26 | 1980-06-26 |
| 1981 | 1981-07-03 | 1981-07-05 |
| 1982 | 1982-05-29 | 1982-07-18 |
| 1983 | 1983-06-17 | 1983-09-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 12 | 1970 | 7 |
| 35 C (95 F): Days | 1 | 1 | 1975 | 1 |
| 90 F (32.2 C): Days | 9 | 5 | 1976 | 3 |
| 0 C (32 F): Ice days (max | 21 | 128 | 1972 | 94 |
| 0 C (32 F): Frost days (min | 22 | 231 | 1974 | 173 |
| -10 C (14 F): Days with min | 22 | 119 | 1978 | 72 |
| -20 C (-4 F): Days with min | 22 | 58 | 1972 | 21 |
| -30 C (-22 F): Days with min | 13 | 4 | 1972 | 1 |
| 20 C (68 F): Tropical nights (min | 14 | 7 | 1983 | 7 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 22 | 48 | 1976 | 40 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 15 | 1969 | 12 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 4 | 1969 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 23 | 19 | 1961 | 11 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 20 | 6 | 1975 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1975 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.
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 (2025-12-31).