Libby 1 NE Rs Threshold Days by Year (USC00245015)
19 fixed thresholds counted per year at Libby 1 NE Rs (USC00245015): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Libby 1 NE Rs Thresholds
- Libby 1 NE Rs: nights with a minimum temperature at or below 0 C (32 F) in 96 years, most in 1952 with 230.
- Libby 1 NE Rs: nights with a minimum temperature at or below -10 C (14 F) in 96 years, most in 1916 with 80.
- Libby 1 NE Rs: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 2006 with 84.
- Libby 1 NE Rs: days with a maximum temperature at or above 35 C (95 F) in 95 years, most in 1998 with 39.
- 19 fixed thresholds have at least one qualifying day at Libby 1 NE Rs.
Days at or above 30 C (86 F)
95 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 65 | 65 |
| 1912 | 27 | 44.9 |
| 1913 | 43 | 44.9 |
| 1914 | 43 | 44.9 |
| 1915 | 50 | 44.9 |
| 1916 | 36 | 44.9 |
| 1917 | 55 | 44.9 |
| 1919 | 60 | 44.9 |
| 1920 | 57 | 53.4 |
| 1921 | 47 | 53.4 |
| 1922 | 76 | 53.4 |
| 1923 | 52 | 53.4 |
| 1924 | 54 | 53.4 |
| 1925 | 65 | 53.4 |
| 1926 | 52 | 53.4 |
| 1927 | 40 | 53.4 |
| 1928 | 36 | 53.4 |
| 1929 | 55 | 53.4 |
| 1930 | 57 | 62.9 |
| 1931 | 60 | 62.9 |
| 1932 | 57 | 62.9 |
| 1933 | 54 | 62.9 |
| 1934 | 69 | 62.9 |
| 1935 | 54 | 62.9 |
| 1936 | 76 | 62.9 |
| 1937 | 61 | 62.9 |
| 1938 | 79 | 62.9 |
| 1939 | 62 | 62.9 |
| 1940 | 82 | 60.3 |
| 1941 | 61 | 60.3 |
| 1942 | 47 | 60.3 |
| 1943 | 55 | 60.3 |
| 1944 | 63 | 60.3 |
| 1945 | 69 | 60.3 |
| 1946 | 54 | 60.3 |
| 1947 | 51 | 60.3 |
| 1950 | 63 | 54.4 |
| 1951 | 44 | 54.4 |
| 1952 | 59 | 54.4 |
| 1953 | 55 | 54.4 |
| 1954 | 34 | 54.4 |
| 1955 | 54 | 54.4 |
| 1956 | 62 | 54.4 |
| 1957 | 55 | 54.4 |
| 1958 | 75 | 54.4 |
| 1959 | 43 | 54.4 |
| 1960 | 56 | 56 |
| 1961 | 73 | 56 |
| 1962 | 46 | 56 |
| 1963 | 63 | 56 |
| 1964 | 35 | 56 |
| 1965 | 44 | 56 |
| 1966 | 60 | 56 |
| 1967 | 82 | 56 |
| 1968 | 44 | 56 |
| 1969 | 57 | 56 |
| 1970 | 63 | 49.9 |
| 1971 | 50 | 49.9 |
| 1972 | 47 | 49.9 |
| 1973 | 68 | 49.9 |
| 1975 | 39 | 49.9 |
| 1977 | 48 | 49.9 |
| 1978 | 34 | 49.9 |
| 1980 | 25 | 47.4 |
| 1981 | 44 | 47.4 |
| 1982 | 41 | 47.4 |
| 1983 | 41 | 47.4 |
| 1984 | 53 | 47.4 |
| 1985 | 57 | 47.4 |
| 1986 | 60 | 47.4 |
| 1987 | 49 | 47.4 |
| 1988 | 59 | 47.4 |
| 1989 | 45 | 47.4 |
| 1990 | 58 | 57 |
| 1991 | 46 | 57 |
| 1992 | 52 | 57 |
| 1993 | 36 | 57 |
| 1994 | 80 | 57 |
| 1996 | 53 | 57 |
| 1998 | 74 | 57 |
| 1999 | 57 | 57 |
| 2000 | 55 | 66.3 |
| 2001 | 72 | 66.3 |
| 2002 | 60 | 66.3 |
| 2003 | 72 | 66.3 |
| 2004 | 47 | 66.3 |
| 2005 | 61 | 66.3 |
| 2006 | 84 | 66.3 |
| 2007 | 84 | 66.3 |
| 2008 | 56 | 66.3 |
| 2009 | 72 | 66.3 |
| 2010 | 50 | 60 |
| 2011 | 59 | 60 |
| 2012 | 56 | 60 |
| 2013 | 75 | 60 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-05-29 | 1896-09-28 |
| 1912 | 1912-06-07 | 1912-08-26 |
| 1913 | 1913-05-31 | 1913-09-17 |
| 1914 | 1914-05-31 | 1914-09-03 |
| 1915 | 1915-05-15 | 1915-09-05 |
| 1916 | 1916-06-14 | 1916-09-02 |
| 1917 | 1917-06-14 | 1917-10-07 |
| 1919 | 1919-05-18 | 1919-09-24 |
| 1920 | 1920-06-22 | 1920-09-17 |
| 1921 | 1921-05-24 | 1921-08-30 |
| 1922 | 1922-05-31 | 1922-09-30 |
| 1923 | 1923-06-09 | 1923-09-14 |
| 1924 | 1924-05-02 | 1924-09-16 |
| 1925 | 1925-06-18 | 1925-09-24 |
| 1926 | 1926-04-28 | 1926-08-29 |
| 1927 | 1927-05-16 | 1927-08-23 |
| 1928 | 1928-05-20 | 1928-09-17 |
| 1929 | 1929-05-22 | 1929-09-18 |
| 1930 | 1930-05-27 | 1930-09-09 |
| 1931 | 1931-05-12 | 1931-09-05 |
| 1932 | 1932-06-12 | 1932-09-19 |
| 1933 | 1933-06-03 | 1933-09-13 |
| 1934 | 1934-04-23 | 1934-09-07 |
| 1935 | 1935-06-21 | 1935-10-01 |
| 1936 | 1936-04-18 | 1936-09-21 |
| 1937 | 1937-05-25 | 1937-09-19 |
| 1938 | 1938-05-23 | 1938-09-29 |
| 1939 | 1939-06-28 | 1939-09-23 |
| 1940 | 1940-05-10 | 1940-09-12 |
| 1941 | 1941-05-11 | 1941-08-23 |
| 1942 | 1942-06-29 | 1942-09-08 |
| 1943 | 1943-06-28 | 1943-10-04 |
| 1944 | 1944-05-27 | 1944-09-13 |
| 1945 | 1945-05-30 | 1945-09-15 |
| 1946 | 1946-04-25 | 1946-09-10 |
| 1947 | 1947-05-07 | 1947-10-04 |
| 1950 | 1950-06-11 | 1950-09-23 |
| 1951 | 1951-05-22 | 1951-08-22 |
| 1952 | 1952-04-25 | 1952-09-27 |
| 1953 | 1953-05-06 | 1953-09-16 |
| 1954 | 1954-05-18 | 1954-08-29 |
| 1955 | 1955-06-10 | 1955-09-12 |
| 1956 | 1956-05-17 | 1956-09-19 |
| 1957 | 1957-04-29 | 1957-09-24 |
| 1958 | 1958-05-18 | 1958-09-11 |
| 1959 | 1959-06-02 | 1959-09-13 |
| 1960 | 1960-05-10 | 1960-09-14 |
| 1961 | 1961-05-25 | 1961-08-30 |
| 1962 | 1962-06-19 | 1962-09-22 |
| 1963 | 1963-05-23 | 1963-09-12 |
| 1964 | 1964-05-17 | 1964-08-23 |
| 1965 | 1965-06-09 | 1965-08-23 |
| 1966 | 1966-05-03 | 1966-09-23 |
| 1967 | 1967-05-22 | 1967-09-29 |
| 1968 | 1968-06-18 | 1968-09-12 |
| 1969 | 1969-05-23 | 1969-09-13 |
| 1970 | 1970-05-16 | 1970-09-01 |
| 1971 | 1971-05-12 | 1971-08-30 |
| 1972 | 1972-05-29 | 1972-09-05 |
| 1973 | 1973-05-15 | 1973-09-12 |
| 1975 | 1975-06-02 | 1975-09-16 |
| 1977 | 1977-04-24 | 1977-08-23 |
| 1978 | 1978-06-03 | 1978-09-04 |
| 1980 | 1980-05-06 | 1980-08-16 |
| 1981 | 1981-06-26 | 1981-09-19 |
| 1982 | 1982-06-12 | 1982-09-09 |
| 1983 | 1983-05-25 | 1983-09-01 |
| 1984 | 1984-05-29 | 1984-09-19 |
| 1985 | 1985-05-18 | 1985-08-30 |
| 1986 | 1986-05-25 | 1986-09-05 |
| 1987 | 1987-04-29 | 1987-09-25 |
| 1988 | 1988-05-13 | 1988-09-16 |
| 1989 | 1989-06-05 | 1989-08-20 |
| 1990 | 1990-06-22 | 1990-09-26 |
| 1991 | 1991-07-02 | 1991-09-07 |
| 1992 | 1992-05-06 | 1992-08-21 |
| 1993 | 1993-05-11 | 1993-09-11 |
| 1994 | 1994-05-08 | 1994-09-29 |
| 1996 | 1996-06-07 | 1996-09-12 |
| 1998 | 1998-05-02 | 1998-09-18 |
| 1999 | 1999-05-24 | 1999-09-24 |
| 2000 | 2000-06-08 | 2000-09-18 |
| 2001 | 2001-05-23 | 2001-09-26 |
| 2002 | 2002-05-20 | 2002-09-14 |
| 2003 | 2003-05-24 | 2003-09-09 |
| 2004 | 2004-06-04 | 2004-08-31 |
| 2005 | 2005-05-28 | 2005-09-09 |
| 2006 | 2006-05-15 | 2006-09-30 |
| 2007 | 2007-05-12 | 2007-09-16 |
| 2008 | 2008-05-17 | 2008-09-20 |
| 2009 | 2009-05-19 | 2009-09-27 |
| 2010 | 2010-05-18 | 2010-08-27 |
| 2011 | 2011-06-23 | 2011-09-25 |
| 2012 | 2012-05-14 | 2012-09-30 |
| 2013 | 2013-05-10 | 2013-09-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 95 | 84 | 2006 | 75 |
| 35 C (95 F): Days | 95 | 39 | 1998 | 21 |
| 40 C (104 F): Days | 30 | 6 | 1998 | 2 |
| 90 F (32.2 C): Days | 95 | 65 | 2007 | 49 |
| 100 F (37.8 C): Days | 72 | 20 | 1998 | 4 |
| 110 F (43.3 C): Days | 1 | 1 | 2007 | 1 |
| 0 C (32 F): Ice days (max | 95 | 74 | 1985 | 18 |
| 0 C (32 F): Frost days (min | 96 | 230 | 1952 | 130 |
| -10 C (14 F): Days with min | 96 | 80 | 1916 | 10 |
| -20 C (-4 F): Days with min | 80 | 32 | 1916 | 9 |
| -30 C (-22 F): Days with min | 40 | 13 | 1924 | 1 |
| -40 C (-40 F): Days with min | 1 | 1 | 1924 | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 2004 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 95 | 24 | 1951 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 49 | 4 | 1990 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 2 | 2003 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 41 | 11 | 1951 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 2 | 1954 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1954 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).