Troickoe Threshold Days by Year (RSM00031655)
14 fixed thresholds counted per year at Troickoe (RSM00031655): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Troickoe Thresholds
- Troickoe: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1981 with 31.
- Troickoe: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1981 with 11.
- Troickoe: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1979 with 149.
- Troickoe: days with a maximum temperature at or above 30 C (86 F) in 44 years, most in 1975 with 32.
- 14 fixed thresholds have at least one qualifying day at Troickoe.
Days at or above 30 C (86 F)
44 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 2 | 5 |
| 1963 | 4 | 5 |
| 1964 | 1 | 5 |
| 1967 | 4 | 5 |
| 1968 | 13 | 5 |
| 1969 | 6 | 5 |
| 1970 | 8 | 10.9 |
| 1973 | 8 | 10.9 |
| 1974 | 16 | 10.9 |
| 1975 | 32 | 10.9 |
| 1976 | 5 | 10.9 |
| 1977 | 7 | 10.9 |
| 1978 | 3 | 10.9 |
| 1979 | 8 | 10.9 |
| 1980 | 21 | 9.3 |
| 1981 | 2 | 9.3 |
| 1982 | 21 | 9.3 |
| 1983 | 2 | 9.3 |
| 1984 | 3 | 9.3 |
| 1985 | 2 | 9.3 |
| 1986 | 12 | 9.3 |
| 1987 | 5 | 9.3 |
| 1988 | 17 | 9.3 |
| 1989 | 8 | 9.3 |
| 1990 | 9 | 8.5 |
| 1992 | 5 | 8.5 |
| 1994 | 4 | 8.5 |
| 1996 | 14 | 8.5 |
| 1997 | 7 | 8.5 |
| 1998 | 12 | 8.5 |
| 2001 | 7 | 11.3 |
| 2007 | 17 | 11.3 |
| 2008 | 18 | 11.3 |
| 2009 | 3 | 11.3 |
| 2010 | 9 | 7.5 |
| 2011 | 18 | 7.5 |
| 2012 | 11 | 7.5 |
| 2015 | 4 | 7.5 |
| 2016 | 6 | 7.5 |
| 2017 | 7 | 7.5 |
| 2018 | 1 | 7.5 |
| 2019 | 4 | 7.5 |
| 2020 | 8 | 11 |
| 2025 | 14 | 11 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-06-03 | 1961-06-28 |
| 1963 | 1963-07-02 | 1963-07-26 |
| 1964 | 1964-07-04 | 1964-07-04 |
| 1967 | 1967-07-09 | 1967-08-02 |
| 1968 | 1968-06-25 | 1968-08-11 |
| 1969 | 1969-06-21 | 1969-07-21 |
| 1970 | 1970-07-02 | 1970-08-25 |
| 1973 | 1973-06-13 | 1973-08-07 |
| 1974 | 1974-06-07 | 1974-08-01 |
| 1975 | 1975-05-27 | 1975-08-30 |
| 1976 | 1976-07-14 | 1976-07-24 |
| 1977 | 1977-05-12 | 1977-08-30 |
| 1978 | 1978-06-14 | 1978-07-08 |
| 1979 | 1979-06-21 | 1979-08-11 |
| 1980 | 1980-06-28 | 1980-08-04 |
| 1981 | 1981-07-13 | 1981-07-16 |
| 1982 | 1982-06-30 | 1982-08-26 |
| 1983 | 1983-07-25 | 1983-07-26 |
| 1984 | 1984-05-21 | 1984-08-09 |
| 1985 | 1985-05-24 | 1985-07-05 |
| 1986 | 1986-06-05 | 1986-07-26 |
| 1987 | 1987-06-01 | 1987-06-26 |
| 1988 | 1988-06-21 | 1988-08-07 |
| 1989 | 1989-06-25 | 1989-08-07 |
| 1990 | 1990-06-30 | 1990-07-20 |
| 1992 | 1992-06-25 | 1992-06-29 |
| 1994 | 1994-07-18 | 1994-09-01 |
| 1996 | 1996-07-09 | 1996-07-24 |
| 1997 | 1997-06-19 | 1997-07-27 |
| 1998 | 1998-05-16 | 1998-08-03 |
| 2001 | 2001-05-13 | 2001-08-14 |
| 2007 | 2007-06-01 | 2007-08-07 |
| 2008 | 2008-06-17 | 2008-07-29 |
| 2009 | 2009-05-21 | 2009-08-10 |
| 2010 | 2010-06-11 | 2010-06-30 |
| 2011 | 2011-07-01 | 2011-08-08 |
| 2012 | 2012-05-22 | 2012-08-07 |
| 2015 | 2015-07-11 | 2015-08-14 |
| 2016 | 2016-05-20 | 2016-07-23 |
| 2017 | 2017-07-03 | 2017-07-09 |
| 2018 | 2018-07-29 | 2018-07-29 |
| 2019 | 2019-07-08 | 2019-07-22 |
| 2020 | 2020-05-29 | 2020-09-04 |
| 2025 | 2025-05-31 | 2025-07-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 44 | 32 | 1975 | 14 |
| 35 C (95 F): Days | 4 | 3 | 1974 | 1 |
| 90 F (32.2 C): Days | 23 | 9 | 2007 | 3 |
| 100 F (37.8 C): Days | 1 | 1 | 1982 | 1 |
| 0 C (32 F): Ice days (max | 45 | 149 | 1979 | 76 |
| 0 C (32 F): Frost days (min | 15 | 207 | 1977 | 78 |
| -10 C (14 F): Days with min | 15 | 137 | 1974 | 61 |
| -20 C (-4 F): Days with min | 15 | 93 | 1974 | 36 |
| -30 C (-22 F): Days with min | 15 | 36 | 1977 | 5 |
| -40 C (-40 F): Days with min | 3 | 3 | 1976 | 1 |
| 20 C (68 F): Tropical nights (min | 15 | 11 | 2016 | 19 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 62 | 31 | 1981 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 62 | 11 | 1981 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 24 | 2 | 1961 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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).