Im. Poliny Osipenko Threshold Days by Year (RSM00031416)
15 fixed thresholds counted per year at Im. Poliny Osipenko (RSM00031416): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Im. Poliny Osipenko Thresholds
- Im. Poliny Osipenko: days with a maximum temperature at or below 0 C (32 F) in 89 years, most in 1984 with 162.
- Im. Poliny Osipenko: nights with a minimum temperature at or below 0 C (32 F) in 87 years, most in 1953 with 233.
- Im. Poliny Osipenko: nights with a minimum temperature at or below -10 C (14 F) in 87 years, most in 1960 with 169.
- Im. Poliny Osipenko: nights with a minimum temperature at or below -20 C (-4 F) in 87 years, most in 1944 with 131.
- 15 fixed thresholds have at least one qualifying day at Im. Poliny Osipenko.
Days at or above 30 C (86 F)
86 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1936 | 5 | 9 |
| 1937 | 8 | 9 |
| 1938 | 14 | 9 |
| 1940 | 3 | 8.2 |
| 1942 | 5 | 8.2 |
| 1943 | 2 | 8.2 |
| 1944 | 12 | 8.2 |
| 1945 | 6 | 8.2 |
| 1946 | 14 | 8.2 |
| 1947 | 6 | 8.2 |
| 1948 | 9 | 8.2 |
| 1949 | 17 | 8.2 |
| 1950 | 20 | 9 |
| 1951 | 16 | 9 |
| 1952 | 15 | 9 |
| 1953 | 4 | 9 |
| 1954 | 14 | 9 |
| 1955 | 8 | 9 |
| 1956 | 2 | 9 |
| 1957 | 6 | 9 |
| 1958 | 4 | 9 |
| 1959 | 1 | 9 |
| 1960 | 4 | 7.7 |
| 1962 | 9 | 7.7 |
| 1963 | 8 | 7.7 |
| 1964 | 1 | 7.7 |
| 1965 | 7 | 7.7 |
| 1966 | 13 | 7.7 |
| 1967 | 5 | 7.7 |
| 1968 | 15 | 7.7 |
| 1969 | 7 | 7.7 |
| 1970 | 17 | 8.3 |
| 1971 | 2 | 8.3 |
| 1973 | 5 | 8.3 |
| 1974 | 18 | 8.3 |
| 1975 | 8 | 8.3 |
| 1976 | 6 | 8.3 |
| 1977 | 3 | 8.3 |
| 1978 | 10 | 8.3 |
| 1979 | 6 | 8.3 |
| 1980 | 31 | 15.2 |
| 1981 | 8 | 15.2 |
| 1982 | 17 | 15.2 |
| 1983 | 13 | 15.2 |
| 1984 | 14 | 15.2 |
| 1985 | 5 | 15.2 |
| 1986 | 19 | 15.2 |
| 1987 | 9 | 15.2 |
| 1988 | 25 | 15.2 |
| 1989 | 11 | 15.2 |
| 1990 | 18 | 12.3 |
| 1991 | 3 | 12.3 |
| 1992 | 8 | 12.3 |
| 1993 | 21 | 12.3 |
| 1994 | 3 | 12.3 |
| 1995 | 7 | 12.3 |
| 1996 | 13 | 12.3 |
| 1997 | 6 | 12.3 |
| 1998 | 20 | 12.3 |
| 1999 | 24 | 12.3 |
| 2000 | 8 | 9.3 |
| 2001 | 10 | 9.3 |
| 2002 | 3 | 9.3 |
| 2003 | 9 | 9.3 |
| 2004 | 4 | 9.3 |
| 2005 | 17 | 9.3 |
| 2006 | 13 | 9.3 |
| 2007 | 12 | 9.3 |
| 2008 | 12 | 9.3 |
| 2009 | 5 | 9.3 |
| 2010 | 8 | 9.9 |
| 2011 | 24 | 9.9 |
| 2012 | 18 | 9.9 |
| 2013 | 5 | 9.9 |
| 2014 | 5 | 9.9 |
| 2015 | 13 | 9.9 |
| 2016 | 6 | 9.9 |
| 2017 | 13 | 9.9 |
| 2018 | 5 | 9.9 |
| 2019 | 2 | 9.9 |
| 2020 | 3 | 10.5 |
| 2021 | 17 | 10.5 |
| 2022 | 9 | 10.5 |
| 2023 | 17 | 10.5 |
| 2024 | 6 | 10.5 |
| 2025 | 11 | 10.5 |
| Year | First date | Last date |
|---|---|---|
| 1936 | 1936-06-20 | 1936-09-03 |
| 1937 | 1937-06-18 | 1937-07-18 |
| 1938 | 1938-05-28 | 1938-08-04 |
| 1940 | 1940-06-18 | 1940-07-11 |
| 1942 | 1942-07-12 | 1942-07-16 |
| 1943 | 1943-06-06 | 1943-07-18 |
| 1944 | 1944-07-04 | 1944-07-30 |
| 1945 | 1945-07-20 | 1945-07-26 |
| 1946 | 1946-06-19 | 1946-08-16 |
| 1947 | 1947-06-24 | 1947-07-16 |
| 1948 | 1948-07-06 | 1948-08-01 |
| 1949 | 1949-06-07 | 1949-08-14 |
| 1950 | 1950-06-02 | 1950-08-09 |
| 1951 | 1951-06-16 | 1951-07-31 |
| 1952 | 1952-06-24 | 1952-08-12 |
| 1953 | 1953-06-13 | 1953-07-23 |
| 1954 | 1954-06-23 | 1954-07-18 |
| 1955 | 1955-06-04 | 1955-07-20 |
| 1956 | 1956-07-21 | 1956-07-22 |
| 1957 | 1957-07-09 | 1957-07-17 |
| 1958 | 1958-05-19 | 1958-07-14 |
| 1959 | 1959-07-18 | 1959-07-18 |
| 1960 | 1960-07-11 | 1960-07-29 |
| 1962 | 1962-06-09 | 1962-08-08 |
| 1963 | 1963-07-03 | 1963-08-10 |
| 1964 | 1964-05-14 | 1964-05-14 |
| 1965 | 1965-06-13 | 1965-07-11 |
| 1966 | 1966-06-17 | 1966-08-26 |
| 1967 | 1967-07-13 | 1967-07-31 |
| 1968 | 1968-05-27 | 1968-08-04 |
| 1969 | 1969-07-08 | 1969-07-14 |
| 1970 | 1970-07-01 | 1970-08-23 |
| 1971 | 1971-06-07 | 1971-06-08 |
| 1973 | 1973-06-12 | 1973-08-07 |
| 1974 | 1974-06-07 | 1974-07-26 |
| 1975 | 1975-05-27 | 1975-07-27 |
| 1976 | 1976-06-14 | 1976-07-21 |
| 1977 | 1977-06-22 | 1977-06-28 |
| 1978 | 1978-06-07 | 1978-07-27 |
| 1979 | 1979-05-26 | 1979-08-11 |
| 1980 | 1980-06-20 | 1980-08-05 |
| 1981 | 1981-05-20 | 1981-07-24 |
| 1982 | 1982-06-21 | 1982-08-15 |
| 1983 | 1983-07-04 | 1983-08-16 |
| 1984 | 1984-05-21 | 1984-07-27 |
| 1985 | 1985-06-30 | 1985-07-11 |
| 1986 | 1986-06-04 | 1986-08-10 |
| 1987 | 1987-06-01 | 1987-08-17 |
| 1988 | 1988-06-24 | 1988-08-13 |
| 1989 | 1989-06-19 | 1989-08-05 |
| 1990 | 1990-05-26 | 1990-07-22 |
| 1991 | 1991-05-20 | 1991-07-19 |
| 1992 | 1992-06-22 | 1992-06-29 |
| 1993 | 1993-06-10 | 1993-08-06 |
| 1994 | 1994-05-24 | 1994-08-31 |
| 1995 | 1995-06-11 | 1995-08-06 |
| 1996 | 1996-06-15 | 1996-07-24 |
| 1997 | 1997-06-18 | 1997-07-24 |
| 1998 | 1998-05-16 | 1998-08-22 |
| 1999 | 1999-06-09 | 1999-08-10 |
| 2000 | 2000-06-15 | 2000-08-06 |
| 2001 | 2001-05-12 | 2001-08-15 |
| 2002 | 2002-05-21 | 2002-07-09 |
| 2003 | 2003-06-18 | 2003-07-27 |
| 2004 | 2004-07-08 | 2004-07-14 |
| 2005 | 2005-06-13 | 2005-08-25 |
| 2006 | 2006-06-24 | 2006-08-27 |
| 2007 | 2007-05-31 | 2007-07-17 |
| 2008 | 2008-06-03 | 2008-07-25 |
| 2009 | 2009-07-05 | 2009-08-10 |
| 2010 | 2010-06-05 | 2010-08-28 |
| 2011 | 2011-06-26 | 2011-08-04 |
| 2012 | 2012-05-22 | 2012-08-26 |
| 2013 | 2013-06-29 | 2013-07-18 |
| 2014 | 2014-07-02 | 2014-08-11 |
| 2015 | 2015-06-13 | 2015-08-26 |
| 2016 | 2016-06-22 | 2016-07-22 |
| 2017 | 2017-07-01 | 2017-08-14 |
| 2018 | 2018-05-22 | 2018-08-06 |
| 2019 | 2019-07-07 | 2019-07-17 |
| 2020 | 2020-07-19 | 2020-07-30 |
| 2021 | 2021-06-09 | 2021-08-20 |
| 2022 | 2022-06-29 | 2022-07-09 |
| 2023 | 2023-06-28 | 2023-08-19 |
| 2024 | 2024-06-01 | 2024-08-06 |
| 2025 | 2025-06-24 | 2025-07-23 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 86 | 31 | 1980 | 11 |
| 35 C (95 F): Days | 11 | 4 | 2011 | 1 |
| 90 F (32.2 C): Days | 70 | 15 | 1980 | 2 |
| 100 F (37.8 C): Days | 1 | 1 | 2017 | 1 |
| 0 C (32 F): Ice days (max | 89 | 162 | 1984 | 81 |
| 0 C (32 F): Frost days (min | 87 | 233 | 1953 | 115 |
| -10 C (14 F): Days with min | 87 | 169 | 1960 | 76 |
| -20 C (-4 F): Days with min | 87 | 131 | 1944 | 54 |
| -30 C (-22 F): Days with min | 87 | 94 | 1969 | 25 |
| -40 C (-40 F): Days with min | 81 | 49 | 1969 | 1 |
| 20 C (68 F): Tropical nights (min | 45 | 7 | 2011 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 86 | 24 | 2007 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 81 | 8 | 2007 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 18 | 2 | 1957 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.
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).