Semenov Threshold Days by Year (RSM00027462)
3 fixed thresholds counted per year at Semenov (RSM00027462): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Semenov Thresholds
- Semenov: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1978 with 23.
- Semenov: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1977 with 4.
- Semenov: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1962 with 1.
- 3 fixed thresholds have at least one qualifying day at Semenov.
Days with 10 mm (0.39 in) or more of precipitation
27 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1960 | 5 | 10.5 |
| 1961 | 7 | 10.5 |
| 1962 | 15 | 10.5 |
| 1963 | 6 | 10.5 |
| 1964 | 10 | 10.5 |
| 1965 | 20 | 10.5 |
| 1972 | 12 | 14.2 |
| 1973 | 11 | 14.2 |
| 1975 | 7 | 14.2 |
| 1977 | 14 | 14.2 |
| 1978 | 23 | 14.2 |
| 1979 | 18 | 14.2 |
| 1980 | 14 | 12.6 |
| 1981 | 11 | 12.6 |
| 1982 | 15 | 12.6 |
| 1983 | 10 | 12.6 |
| 1984 | 12 | 12.6 |
| 1985 | 14 | 12.6 |
| 1986 | 11 | 12.6 |
| 1987 | 12 | 12.6 |
| 1988 | 11 | 12.6 |
| 1989 | 16 | 12.6 |
| 1990 | 15 | 15.2 |
| 1991 | 16 | 15.2 |
| 1992 | 18 | 15.2 |
| 1994 | 18 | 15.2 |
| 1996 | 9 | 15.2 |
| Year | First date | Last date |
|---|---|---|
| 1960 | 1960-03-31 | 1960-09-09 |
| 1961 | 1961-03-12 | 1961-08-06 |
| 1962 | 1962-03-08 | 1962-11-18 |
| 1963 | 1963-06-14 | 1963-11-21 |
| 1964 | 1964-06-03 | 1964-12-28 |
| 1965 | 1965-05-01 | 1965-12-03 |
| 1972 | 1972-03-24 | 1972-11-19 |
| 1973 | 1973-04-16 | 1973-10-23 |
| 1975 | 1975-06-08 | 1975-11-20 |
| 1977 | 1977-02-23 | 1977-11-25 |
| 1978 | 1978-02-16 | 1978-10-26 |
| 1979 | 1979-01-05 | 1979-12-14 |
| 1980 | 1980-05-13 | 1980-11-29 |
| 1981 | 1981-01-07 | 1981-12-13 |
| 1982 | 1982-04-18 | 1982-11-05 |
| 1983 | 1983-05-09 | 1983-11-30 |
| 1984 | 1984-04-19 | 1984-11-01 |
| 1985 | 1985-05-22 | 1985-12-31 |
| 1986 | 1986-04-05 | 1986-10-25 |
| 1987 | 1987-05-22 | 1987-09-10 |
| 1988 | 1988-03-18 | 1988-12-01 |
| 1989 | 1989-03-19 | 1989-11-24 |
| 1990 | 1990-05-18 | 1990-10-02 |
| 1991 | 1991-04-23 | 1991-10-29 |
| 1992 | 1992-01-05 | 1992-11-20 |
| 1994 | 1994-03-08 | 1994-11-22 |
| 1996 | 1996-06-14 | 1996-12-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 27 | 23 | 1978 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 4 | 1977 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1962 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.
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).