Parma Exp STN Threshold Days by Year
17 fixed thresholds counted per year at Parma Exp STN (USC00106844): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Parma Exp STN Thresholds
- Parma Exp STN: days with a maximum temperature at or above 30 C (86 F) in 90 years, most in 1928 with 112.
- Parma Exp STN: days with a maximum temperature at or above 35 C (95 F) in 90 years, most in 1929 with 52.
- Parma Exp STN: days with a maximum temperature at or above 90 F (32.2 C) in 90 years, most in 1967 with 80.
- Parma Exp STN: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 1957 with 12.
- 17 fixed thresholds have at least one qualifying day at Parma Exp STN.
Days at or above 30 C (86 F)
90 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1923 | 78 | 87.6 |
| 1924 | 94 | 87.6 |
| 1925 | 74 | 87.6 |
| 1926 | 73 | 87.6 |
| 1927 | 95 | 87.6 |
| 1928 | 112 | 87.6 |
| 1929 | 87 | 87.6 |
| 1930 | 86 | 86.1 |
| 1931 | 90 | 86.1 |
| 1932 | 80 | 86.1 |
| 1933 | 84 | 86.1 |
| 1934 | 100 | 86.1 |
| 1935 | 78 | 86.1 |
| 1936 | 92 | 86.1 |
| 1937 | 80 | 86.1 |
| 1938 | 82 | 86.1 |
| 1939 | 89 | 86.1 |
| 1940 | 93 | 66.4 |
| 1941 | 55 | 66.4 |
| 1942 | 56 | 66.4 |
| 1943 | 54 | 66.4 |
| 1944 | 44 | 66.4 |
| 1945 | 61 | 66.4 |
| 1946 | 65 | 66.4 |
| 1947 | 80 | 66.4 |
| 1948 | 65 | 66.4 |
| 1949 | 91 | 66.4 |
| 1950 | 71 | 75.5 |
| 1951 | 71 | 75.5 |
| 1952 | 88 | 75.5 |
| 1953 | 63 | 75.5 |
| 1954 | 72 | 75.5 |
| 1955 | 75 | 75.5 |
| 1956 | 76 | 75.5 |
| 1957 | 82 | 75.5 |
| 1958 | 87 | 75.5 |
| 1959 | 70 | 75.5 |
| 1960 | 86 | 71 |
| 1961 | 89 | 71 |
| 1962 | 72 | 71 |
| 1963 | 69 | 71 |
| 1964 | 53 | 71 |
| 1965 | 44 | 71 |
| 1966 | 87 | 71 |
| 1967 | 95 | 71 |
| 1968 | 34 | 71 |
| 1969 | 81 | 71 |
| 1970 | 83 | 72.7 |
| 1971 | 76 | 72.7 |
| 1972 | 82 | 72.7 |
| 1973 | 82 | 72.7 |
| 1974 | 85 | 72.7 |
| 1975 | 64 | 72.7 |
| 1976 | 54 | 72.7 |
| 1977 | 74 | 72.7 |
| 1978 | 55 | 72.7 |
| 1979 | 72 | 72.7 |
| 1980 | 61 | 67.4 |
| 1981 | 75 | 67.4 |
| 1982 | 60 | 67.4 |
| 1983 | 54 | 67.4 |
| 1985 | 57 | 67.4 |
| 1986 | 77 | 67.4 |
| 1987 | 78 | 67.4 |
| 1988 | 81 | 67.4 |
| 1989 | 64 | 67.4 |
| 1990 | 73 | 73.8 |
| 1991 | 71 | 73.8 |
| 1992 | 78 | 73.8 |
| 1993 | 49 | 73.8 |
| 1994 | 95 | 73.8 |
| 1995 | 66 | 73.8 |
| 1996 | 74 | 73.8 |
| 1997 | 82 | 73.8 |
| 1998 | 77 | 73.8 |
| 1999 | 73 | 73.8 |
| 2000 | 81 | 82.6 |
| 2001 | 85 | 82.6 |
| 2002 | 82 | 82.6 |
| 2003 | 102 | 82.6 |
| 2004 | 79 | 82.6 |
| 2005 | 66 | 82.6 |
| 2006 | 83 | 82.6 |
| 2007 | 87 | 82.6 |
| 2008 | 80 | 82.6 |
| 2009 | 81 | 82.6 |
| 2010 | 69 | 73 |
| 2011 | 77 | 73 |
| 2020 | 67 | 60 |
| 2026 | 53 | 60 |
| Year | First date | Last date |
|---|---|---|
| 1923 | 1923-05-08 | 1923-09-19 |
| 1924 | 1924-05-02 | 1924-09-16 |
| 1925 | 1925-05-06 | 1925-09-27 |
| 1926 | 1926-04-29 | 1926-09-05 |
| 1927 | 1927-04-25 | 1927-10-16 |
| 1928 | 1928-04-25 | 1928-10-09 |
| 1929 | 1929-05-12 | 1929-09-17 |
| 1930 | 1930-04-21 | 1930-09-21 |
| 1931 | 1931-05-06 | 1931-10-02 |
| 1932 | 1932-05-11 | 1932-10-02 |
| 1933 | 1933-05-25 | 1933-10-08 |
| 1934 | 1934-04-12 | 1934-09-30 |
| 1935 | 1935-05-21 | 1935-10-03 |
| 1936 | 1936-04-17 | 1936-09-22 |
| 1937 | 1937-05-03 | 1937-09-18 |
| 1938 | 1938-05-23 | 1938-09-24 |
| 1939 | 1939-04-28 | 1939-09-24 |
| 1940 | 1940-05-10 | 1940-09-12 |
| 1941 | 1941-05-11 | 1941-08-23 |
| 1942 | 1942-04-21 | 1942-09-14 |
| 1943 | 1943-06-17 | 1943-09-25 |
| 1944 | 1944-06-24 | 1944-09-12 |
| 1945 | 1945-05-03 | 1945-09-14 |
| 1946 | 1946-04-25 | 1946-09-30 |
| 1947 | 1947-05-02 | 1947-09-24 |
| 1948 | 1948-05-16 | 1948-09-21 |
| 1949 | 1949-05-08 | 1949-09-27 |
| 1950 | 1950-05-15 | 1950-09-07 |
| 1951 | 1951-05-22 | 1951-09-20 |
| 1952 | 1952-04-24 | 1952-10-04 |
| 1953 | 1953-07-02 | 1953-09-16 |
| 1954 | 1954-05-07 | 1954-09-27 |
| 1955 | 1955-06-06 | 1955-09-13 |
| 1956 | 1956-05-17 | 1956-09-20 |
| 1957 | 1957-05-30 | 1957-09-30 |
| 1958 | 1958-05-17 | 1958-09-12 |
| 1959 | 1959-05-13 | 1959-09-13 |
| 1960 | 1960-05-10 | 1960-09-19 |
| 1961 | 1961-05-09 | 1961-09-15 |
| 1962 | 1962-04-14 | 1962-09-25 |
| 1963 | 1963-05-21 | 1963-10-04 |
| 1964 | 1964-05-17 | 1964-08-25 |
| 1965 | 1965-05-29 | 1965-08-19 |
| 1966 | 1966-05-03 | 1966-09-25 |
| 1967 | 1967-05-18 | 1967-09-27 |
| 1968 | 1968-04-30 | 1968-09-14 |
| 1969 | 1969-05-08 | 1969-09-29 |
| 1970 | 1970-05-05 | 1970-10-01 |
| 1971 | 1971-05-02 | 1971-10-08 |
| 1972 | 1972-05-16 | 1972-09-19 |
| 1973 | 1973-05-13 | 1973-09-14 |
| 1974 | 1974-05-26 | 1974-09-26 |
| 1975 | 1975-05-15 | 1975-09-17 |
| 1976 | 1976-05-09 | 1976-10-01 |
| 1977 | 1977-04-24 | 1977-09-14 |
| 1978 | 1978-05-15 | 1978-09-27 |
| 1979 | 1979-05-16 | 1979-10-08 |
| 1980 | 1980-04-29 | 1980-09-11 |
| 1981 | 1981-05-02 | 1981-09-19 |
| 1982 | 1982-05-26 | 1982-09-10 |
| 1983 | 1983-05-25 | 1983-09-17 |
| 1985 | 1985-05-24 | 1985-08-31 |
| 1986 | 1986-05-26 | 1986-09-08 |
| 1987 | 1987-04-27 | 1987-09-25 |
| 1988 | 1988-05-13 | 1988-10-10 |
| 1989 | 1989-05-07 | 1989-09-30 |
| 1990 | 1990-05-06 | 1990-09-30 |
| 1991 | 1991-06-03 | 1991-10-02 |
| 1992 | 1992-04-30 | 1992-10-02 |
| 1993 | 1993-05-12 | 1993-10-01 |
| 1994 | 1994-04-18 | 1994-09-29 |
| 1995 | 1995-05-31 | 1995-09-19 |
| 1996 | 1996-05-13 | 1996-10-11 |
| 1997 | 1997-05-11 | 1997-10-02 |
| 1998 | 1998-04-23 | 1998-10-01 |
| 1999 | 1999-05-24 | 1999-09-24 |
| 2000 | 2000-04-05 | 2000-09-19 |
| 2001 | 2001-05-12 | 2001-10-02 |
| 2002 | 2002-05-14 | 2002-09-25 |
| 2003 | 2003-05-23 | 2003-10-06 |
| 2004 | 2004-05-04 | 2004-10-09 |
| 2005 | 2005-05-29 | 2005-09-16 |
| 2006 | 2006-05-15 | 2006-09-30 |
| 2007 | 2007-05-11 | 2007-09-16 |
| 2008 | 2008-05-17 | 2008-10-02 |
| 2009 | 2009-04-22 | 2009-09-27 |
| 2010 | 2010-06-15 | 2010-10-03 |
| 2011 | 2011-06-22 | 2011-10-04 |
| 2020 | 2020-05-12 | 2020-10-03 |
| 2026 | 2026-05-24 | 2026-08-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 90 | 112 | 1928 | 53 |
| 35 C (95 F): Days | 90 | 52 | 1929 | 24 |
| 40 C (104 F): Days | 45 | 10 | 1928 | 1 |
| 90 F (32.2 C): Days | 90 | 80 | 1967 | 41 |
| 100 F (37.8 C): Days | 83 | 25 | 1971 | 3 |
| 110 F (43.3 C): Days | 1 | 2 | 2002 | 2 |
| 0 C (32 F): Ice days (max | 88 | 68 | 1985 | 9 |
| 0 C (32 F): Frost days (min | 81 | 184 | 1976 | 50 |
| -10 C (14 F): Days with min | 78 | 75 | 1985 | 6 |
| -20 C (-4 F): Days with min | 35 | 23 | 1985 | 3 |
| -30 C (-22 F): Days with min | 8 | 5 | 1989 | 5 |
| 20 C (68 F): Tropical nights (min | 27 | 7 | 1931 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 1924 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 89 | 12 | 1957 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 2 | 1970 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 37 | 4 | 1993 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 2010 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.
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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-12).