Three Rivers Threshold Days by Year (USC00208184)
17 fixed thresholds counted per year at Three Rivers (USC00208184): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Three Rivers Thresholds
- Three Rivers: days with a maximum temperature at or above 30 C (86 F) in 97 years, most in 1930 with 80.
- Three Rivers: days with a maximum temperature at or above 90 F (32.2 C) in 97 years, most in 1934 with 51.
- Three Rivers: days with a maximum temperature at or below 0 C (32 F) in 97 years, most in 2014 with 78.
- Three Rivers: nights with a minimum temperature at or below 0 C (32 F) in 96 years, most in 1996 with 170.
- 17 fixed thresholds have at least one qualifying day at Three Rivers.
Days at or above 30 C (86 F)
97 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1928 | 41 | 50 |
| 1929 | 59 | 50 |
| 1930 | 80 | 53 |
| 1931 | 59 | 53 |
| 1932 | 35 | 53 |
| 1933 | 52 | 53 |
| 1934 | 69 | 53 |
| 1935 | 37 | 53 |
| 1936 | 62 | 53 |
| 1937 | 45 | 53 |
| 1938 | 37 | 53 |
| 1939 | 54 | 53 |
| 1940 | 45 | 48.5 |
| 1941 | 61 | 48.5 |
| 1942 | 31 | 48.5 |
| 1943 | 34 | 48.5 |
| 1944 | 63 | 48.5 |
| 1945 | 35 | 48.5 |
| 1946 | 53 | 48.5 |
| 1947 | 55 | 48.5 |
| 1948 | 52 | 48.5 |
| 1949 | 56 | 48.5 |
| 1950 | 28 | 41.6 |
| 1951 | 24 | 41.6 |
| 1952 | 52 | 41.6 |
| 1953 | 60 | 41.6 |
| 1954 | 42 | 41.6 |
| 1955 | 59 | 41.6 |
| 1957 | 29 | 41.6 |
| 1958 | 19 | 41.6 |
| 1959 | 61 | 41.6 |
| 1960 | 27 | 31.9 |
| 1961 | 23 | 31.9 |
| 1962 | 40 | 31.9 |
| 1963 | 36 | 31.9 |
| 1964 | 54 | 31.9 |
| 1965 | 22 | 31.9 |
| 1966 | 43 | 31.9 |
| 1967 | 17 | 31.9 |
| 1968 | 28 | 31.9 |
| 1969 | 29 | 31.9 |
| 1970 | 33 | 36.4 |
| 1971 | 52 | 36.4 |
| 1972 | 35 | 36.4 |
| 1973 | 31 | 36.4 |
| 1974 | 31 | 36.4 |
| 1975 | 43 | 36.4 |
| 1976 | 31 | 36.4 |
| 1977 | 46 | 36.4 |
| 1978 | 40 | 36.4 |
| 1979 | 22 | 36.4 |
| 1980 | 42 | 38.1 |
| 1981 | 18 | 38.1 |
| 1982 | 25 | 38.1 |
| 1983 | 72 | 38.1 |
| 1984 | 40 | 38.1 |
| 1985 | 26 | 38.1 |
| 1986 | 27 | 38.1 |
| 1987 | 54 | 38.1 |
| 1988 | 52 | 38.1 |
| 1989 | 25 | 38.1 |
| 1990 | 23 | 34 |
| 1991 | 48 | 34 |
| 1992 | 13 | 34 |
| 1993 | 28 | 34 |
| 1995 | 41 | 34 |
| 1996 | 31 | 34 |
| 1997 | 23 | 34 |
| 1998 | 47 | 34 |
| 1999 | 52 | 34 |
| 2000 | 25 | 36.6 |
| 2001 | 40 | 36.6 |
| 2002 | 61 | 36.6 |
| 2003 | 28 | 36.6 |
| 2004 | 25 | 36.6 |
| 2005 | 68 | 36.6 |
| 2006 | 22 | 36.6 |
| 2007 | 53 | 36.6 |
| 2008 | 31 | 36.6 |
| 2009 | 13 | 36.6 |
| 2010 | 40 | 28 |
| 2011 | 33 | 28 |
| 2012 | 50 | 28 |
| 2013 | 23 | 28 |
| 2014 | 7 | 28 |
| 2015 | 16 | 28 |
| 2016 | 31 | 28 |
| 2017 | 28 | 28 |
| 2018 | 34 | 28 |
| 2019 | 18 | 28 |
| 2020 | 39 | 34.3 |
| 2021 | 35 | 34.3 |
| 2022 | 29 | 34.3 |
| 2023 | 29 | 34.3 |
| 2024 | 34 | 34.3 |
| 2025 | 49 | 34.3 |
| 2026 | 25 | 34.3 |
| Year | First date | Last date |
|---|---|---|
| 1928 | 1928-05-03 | 1928-09-15 |
| 1929 | 1929-05-27 | 1929-09-28 |
| 1930 | 1930-04-11 | 1930-09-23 |
| 1931 | 1931-05-18 | 1931-09-21 |
| 1932 | 1932-05-15 | 1932-08-31 |
| 1933 | 1933-05-24 | 1933-09-25 |
| 1934 | 1934-05-06 | 1934-08-18 |
| 1935 | 1935-04-26 | 1935-09-25 |
| 1936 | 1936-05-08 | 1936-09-22 |
| 1937 | 1937-05-30 | 1937-09-24 |
| 1938 | 1938-05-03 | 1938-09-12 |
| 1939 | 1939-05-19 | 1939-10-09 |
| 1940 | 1940-05-13 | 1940-09-23 |
| 1941 | 1941-05-20 | 1941-09-24 |
| 1942 | 1942-04-30 | 1942-09-18 |
| 1943 | 1943-06-12 | 1943-09-05 |
| 1944 | 1944-05-26 | 1944-09-19 |
| 1945 | 1945-06-14 | 1945-09-23 |
| 1946 | 1946-06-11 | 1946-09-28 |
| 1947 | 1947-06-10 | 1947-10-15 |
| 1948 | 1948-06-02 | 1948-09-20 |
| 1949 | 1949-05-03 | 1949-10-10 |
| 1950 | 1950-05-25 | 1950-10-17 |
| 1951 | 1951-05-16 | 1951-10-05 |
| 1952 | 1952-05-04 | 1952-09-14 |
| 1953 | 1953-05-25 | 1953-10-04 |
| 1954 | 1954-05-24 | 1954-09-27 |
| 1955 | 1955-05-03 | 1955-09-20 |
| 1957 | 1957-06-16 | 1957-09-02 |
| 1958 | 1958-06-30 | 1958-08-31 |
| 1959 | 1959-05-02 | 1959-09-23 |
| 1960 | 1960-07-21 | 1960-09-09 |
| 1961 | 1961-06-06 | 1961-09-11 |
| 1962 | 1962-04-30 | 1962-09-13 |
| 1963 | 1963-05-08 | 1963-10-06 |
| 1964 | 1964-05-22 | 1964-09-11 |
| 1965 | 1965-06-08 | 1965-09-19 |
| 1966 | 1966-05-27 | 1966-09-04 |
| 1967 | 1967-06-10 | 1967-08-18 |
| 1968 | 1968-06-07 | 1968-08-25 |
| 1969 | 1969-05-29 | 1969-09-07 |
| 1970 | 1970-05-22 | 1970-09-22 |
| 1971 | 1971-05-18 | 1971-10-02 |
| 1972 | 1972-05-22 | 1972-09-01 |
| 1973 | 1973-06-10 | 1973-09-05 |
| 1974 | 1974-05-21 | 1974-09-11 |
| 1975 | 1975-05-19 | 1975-10-13 |
| 1976 | 1976-06-08 | 1976-09-09 |
| 1977 | 1977-04-18 | 1977-09-01 |
| 1978 | 1978-05-26 | 1978-09-21 |
| 1979 | 1979-05-08 | 1979-08-30 |
| 1980 | 1980-04-22 | 1980-09-22 |
| 1981 | 1981-06-14 | 1981-08-13 |
| 1982 | 1982-05-12 | 1982-09-12 |
| 1983 | 1983-06-10 | 1983-09-19 |
| 1984 | 1984-06-02 | 1984-09-22 |
| 1985 | 1985-05-12 | 1985-09-09 |
| 1986 | 1986-04-26 | 1986-09-26 |
| 1987 | 1987-05-10 | 1987-09-06 |
| 1988 | 1988-05-16 | 1988-08-18 |
| 1989 | 1989-06-01 | 1989-09-09 |
| 1990 | 1990-04-25 | 1990-09-07 |
| 1991 | 1991-05-13 | 1991-09-16 |
| 1992 | 1992-05-02 | 1992-08-26 |
| 1993 | 1993-05-10 | 1993-08-31 |
| 1995 | 1995-06-07 | 1995-09-07 |
| 1996 | 1996-05-19 | 1996-09-08 |
| 1997 | 1997-06-20 | 1997-08-17 |
| 1998 | 1998-05-15 | 1998-09-27 |
| 1999 | 1999-05-18 | 1999-09-27 |
| 2000 | 2000-05-07 | 2000-09-12 |
| 2001 | 2001-06-12 | 2001-09-08 |
| 2002 | 2002-04-16 | 2002-10-02 |
| 2003 | 2003-06-19 | 2003-09-09 |
| 2004 | 2004-04-19 | 2004-09-24 |
| 2005 | 2005-06-06 | 2005-10-05 |
| 2006 | 2006-05-28 | 2006-08-05 |
| 2007 | 2007-05-02 | 2007-10-09 |
| 2008 | 2008-06-06 | 2008-09-04 |
| 2009 | 2009-06-22 | 2009-08-17 |
| 2010 | 2010-05-25 | 2010-10-10 |
| 2011 | 2011-05-13 | 2011-09-04 |
| 2012 | 2012-05-20 | 2012-09-04 |
| 2013 | 2013-05-20 | 2013-09-12 |
| 2014 | 2014-05-09 | 2014-09-06 |
| 2015 | 2015-06-11 | 2015-09-17 |
| 2016 | 2016-05-29 | 2016-09-08 |
| 2017 | 2017-05-17 | 2017-09-27 |
| 2018 | 2018-05-03 | 2018-09-21 |
| 2019 | 2019-06-29 | 2019-09-12 |
| 2020 | 2020-05-25 | 2020-09-04 |
| 2021 | 2021-05-21 | 2021-09-20 |
| 2022 | 2022-05-12 | 2022-08-30 |
| 2023 | 2023-05-30 | 2023-10-04 |
| 2024 | 2024-05-21 | 2024-09-22 |
| 2025 | 2025-05-16 | 2025-10-05 |
| 2026 | 2026-05-28 | 2026-09-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 97 | 80 | 1930 | 25 |
| 35 C (95 F): Days | 60 | 24 | 1934 | 1 |
| 40 C (104 F): Days | 2 | 5 | 1934 | 4 |
| 90 F (32.2 C): Days | 97 | 51 | 1934 | 12 |
| 100 F (37.8 C): Days | 14 | 10 | 1934 | 3 |
| 0 C (32 F): Ice days (max | 97 | 78 | 2014 | 28 |
| 0 C (32 F): Frost days (min | 96 | 170 | 1996 | 76 |
| -10 C (14 F): Days with min | 96 | 61 | 2014 | 23 |
| -20 C (-4 F): Days with min | 80 | 20 | 2014 | 4 |
| 20 C (68 F): Tropical nights (min | 93 | 31 | 1935 | 21 |
| 25 C (77 F): Days with min | 13 | 3 | 1930 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 94 | 46 | 2019 | 35 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 94 | 14 | 1949 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 64 | 6 | 2018 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1976 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 61 | 6 | 2014 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 1 | 1938 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.
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 (2026-10-17).