Kojnas Threshold Days by Year (RSM00022583)
13 fixed thresholds counted per year at Kojnas (RSM00022583): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Kojnas Thresholds
- Kojnas: days with 10 mm (0.39 in) or more of precipitation in 109 years, most in 1923 with 18.
- Kojnas: days with a maximum temperature at or below 0 C (32 F) in 101 years, most in 1945 with 173.
- Kojnas: nights with a minimum temperature at or below 0 C (32 F) in 101 years, most in 1916 with 253.
- Kojnas: nights with a minimum temperature at or below -10 C (14 F) in 101 years, most in 1941 with 141.
- 13 fixed thresholds have at least one qualifying day at Kojnas.
Days at or above 30 C (86 F)
76 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1915 | 1 | 3.5 |
| 1917 | 6 | 3.5 |
| 1920 | 1 | 2.5 |
| 1922 | 3 | 2.5 |
| 1923 | 3 | 2.5 |
| 1925 | 3 | 2.5 |
| 1930 | 5 | 5.3 |
| 1931 | 5 | 5.3 |
| 1932 | 7 | 5.3 |
| 1934 | 5 | 5.3 |
| 1935 | 1 | 5.3 |
| 1936 | 6 | 5.3 |
| 1937 | 5 | 5.3 |
| 1938 | 12 | 5.3 |
| 1939 | 2 | 5.3 |
| 1940 | 13 | 5.4 |
| 1942 | 2 | 5.4 |
| 1943 | 7 | 5.4 |
| 1944 | 1 | 5.4 |
| 1947 | 4 | 5.4 |
| 1951 | 2 | 2.8 |
| 1953 | 4 | 2.8 |
| 1954 | 5 | 2.8 |
| 1956 | 2 | 2.8 |
| 1957 | 3 | 2.8 |
| 1958 | 1 | 2.8 |
| 1960 | 6 | 3.8 |
| 1961 | 6 | 3.8 |
| 1963 | 6 | 3.8 |
| 1964 | 6 | 3.8 |
| 1965 | 2 | 3.8 |
| 1966 | 3 | 3.8 |
| 1967 | 3 | 3.8 |
| 1968 | 1 | 3.8 |
| 1969 | 1 | 3.8 |
| 1970 | 6 | 5.4 |
| 1972 | 17 | 5.4 |
| 1973 | 1 | 5.4 |
| 1974 | 10 | 5.4 |
| 1975 | 2 | 5.4 |
| 1977 | 3 | 5.4 |
| 1978 | 3 | 5.4 |
| 1979 | 1 | 5.4 |
| 1981 | 7 | 5 |
| 1982 | 5 | 5 |
| 1983 | 5 | 5 |
| 1984 | 2 | 5 |
| 1987 | 1 | 5 |
| 1988 | 9 | 5 |
| 1989 | 6 | 5 |
| 1990 | 11 | 4.3 |
| 1991 | 3 | 4.3 |
| 1994 | 1 | 4.3 |
| 1995 | 2 | 4.3 |
| 1996 | 2 | 4.3 |
| 1998 | 4 | 4.3 |
| 1999 | 7 | 4.3 |
| 2000 | 15 | 6.1 |
| 2001 | 1 | 6.1 |
| 2002 | 4 | 6.1 |
| 2003 | 8 | 6.1 |
| 2004 | 5 | 6.1 |
| 2005 | 4 | 6.1 |
| 2006 | 9 | 6.1 |
| 2007 | 10 | 6.1 |
| 2008 | 4 | 6.1 |
| 2009 | 1 | 6.1 |
| 2010 | 16 | 6.8 |
| 2011 | 13 | 6.8 |
| 2012 | 1 | 6.8 |
| 2013 | 10 | 6.8 |
| 2014 | 2 | 6.8 |
| 2016 | 8 | 6.8 |
| 2017 | 3 | 6.8 |
| 2018 | 1 | 6.8 |
| 2025 | 4 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1915 | 1915-07-22 | 1915-07-22 |
| 1917 | 1917-06-24 | 1917-07-05 |
| 1920 | 1920-08-02 | 1920-08-02 |
| 1922 | 1922-07-08 | 1922-07-21 |
| 1923 | 1923-06-23 | 1923-07-05 |
| 1925 | 1925-06-26 | 1925-07-30 |
| 1930 | 1930-08-17 | 1930-08-21 |
| 1931 | 1931-07-10 | 1931-08-12 |
| 1932 | 1932-07-22 | 1932-08-15 |
| 1934 | 1934-07-06 | 1934-07-13 |
| 1935 | 1935-06-19 | 1935-06-19 |
| 1936 | 1936-06-04 | 1936-07-25 |
| 1937 | 1937-06-25 | 1937-07-02 |
| 1938 | 1938-07-05 | 1938-07-31 |
| 1939 | 1939-06-13 | 1939-06-14 |
| 1940 | 1940-06-25 | 1940-08-26 |
| 1942 | 1942-05-31 | 1942-06-01 |
| 1943 | 1943-07-11 | 1943-07-17 |
| 1944 | 1944-05-26 | 1944-05-26 |
| 1947 | 1947-06-10 | 1947-06-13 |
| 1951 | 1951-08-16 | 1951-08-18 |
| 1953 | 1953-06-04 | 1953-07-29 |
| 1954 | 1954-06-13 | 1954-07-09 |
| 1956 | 1956-06-14 | 1956-06-29 |
| 1957 | 1957-07-19 | 1957-07-21 |
| 1958 | 1958-08-03 | 1958-08-03 |
| 1960 | 1960-06-30 | 1960-07-19 |
| 1961 | 1961-06-18 | 1961-07-15 |
| 1963 | 1963-06-28 | 1963-07-27 |
| 1964 | 1964-07-04 | 1964-08-05 |
| 1965 | 1965-06-26 | 1965-07-07 |
| 1966 | 1966-07-10 | 1966-07-17 |
| 1967 | 1967-08-04 | 1967-08-06 |
| 1968 | 1968-07-01 | 1968-07-01 |
| 1969 | 1969-07-14 | 1969-07-14 |
| 1970 | 1970-07-02 | 1970-08-01 |
| 1972 | 1972-07-02 | 1972-08-11 |
| 1973 | 1973-07-05 | 1973-07-05 |
| 1974 | 1974-06-20 | 1974-07-26 |
| 1975 | 1975-08-03 | 1975-08-04 |
| 1977 | 1977-05-18 | 1977-08-02 |
| 1978 | 1978-06-24 | 1978-07-10 |
| 1979 | 1979-07-03 | 1979-07-03 |
| 1981 | 1981-06-21 | 1981-08-03 |
| 1982 | 1982-07-07 | 1982-07-18 |
| 1983 | 1983-07-01 | 1983-07-06 |
| 1984 | 1984-06-26 | 1984-06-27 |
| 1987 | 1987-06-19 | 1987-06-19 |
| 1988 | 1988-07-04 | 1988-07-21 |
| 1989 | 1989-06-10 | 1989-07-18 |
| 1990 | 1990-06-26 | 1990-07-21 |
| 1991 | 1991-06-26 | 1991-06-30 |
| 1994 | 1994-08-04 | 1994-08-04 |
| 1995 | 1995-05-24 | 1995-05-25 |
| 1996 | 1996-07-11 | 1996-07-13 |
| 1998 | 1998-06-13 | 1998-06-17 |
| 1999 | 1999-06-21 | 1999-07-23 |
| 2000 | 2000-05-31 | 2000-07-23 |
| 2001 | 2001-07-20 | 2001-07-20 |
| 2002 | 2002-07-06 | 2002-07-27 |
| 2003 | 2003-07-03 | 2003-08-05 |
| 2004 | 2004-06-28 | 2004-07-16 |
| 2005 | 2005-05-25 | 2005-07-26 |
| 2006 | 2006-06-14 | 2006-07-11 |
| 2007 | 2007-07-04 | 2007-07-15 |
| 2008 | 2008-06-26 | 2008-07-22 |
| 2009 | 2009-07-14 | 2009-07-14 |
| 2010 | 2010-05-11 | 2010-08-10 |
| 2011 | 2011-06-02 | 2011-07-25 |
| 2012 | 2012-07-14 | 2012-07-14 |
| 2013 | 2013-06-24 | 2013-07-23 |
| 2014 | 2014-08-07 | 2014-08-09 |
| 2016 | 2016-06-19 | 2016-08-16 |
| 2017 | 2017-07-14 | 2017-07-16 |
| 2018 | 2018-06-25 | 2018-06-25 |
| 2025 | 2025-05-30 | 2025-08-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 76 | 17 | 1972 | 4 |
| 35 C (95 F): Days | 4 | 2 | 1972 | 1 |
| 90 F (32.2 C): Days | 32 | 10 | 1972 | 4 |
| 0 C (32 F): Ice days (max | 101 | 173 | 1945 | 51 |
| 0 C (32 F): Frost days (min | 101 | 253 | 1916 | 93 |
| -10 C (14 F): Days with min | 101 | 141 | 1941 | 34 |
| -20 C (-4 F): Days with min | 101 | 95 | 1941 | 14 |
| -30 C (-22 F): Days with min | 101 | 48 | 1985 | 2 |
| -40 C (-40 F): Days with min | 71 | 15 | 1969 | 4 |
| 20 C (68 F): Tropical nights (min | 8 | 2 | 1972 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 109 | 18 | 1923 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 66 | 4 | 1970 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 5 | 1 | 1920 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.
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).