Cincinnati-Fernbank Threshold Days by Year (USC00331550)
18 fixed thresholds counted per year at Cincinnati-Fernbank (USC00331550): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Cincinnati-Fernbank Thresholds
- Cincinnati-Fernbank: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1989 with 56.
- Cincinnati-Fernbank: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1996 with 26.
- Cincinnati-Fernbank: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 2007 with 86.
- Cincinnati-Fernbank: days with a maximum temperature at or above 90 F (32.2 C) in 34 years, most in 1983 with 49.
- 18 fixed thresholds have at least one qualifying day at Cincinnati-Fernbank.
Days at or above 30 C (86 F)
34 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1975 | 79 | 62 |
| 1976 | 49 | 62 |
| 1977 | 77 | 62 |
| 1978 | 62 | 62 |
| 1979 | 43 | 62 |
| 1980 | 72 | 51.9 |
| 1981 | 38 | 51.9 |
| 1982 | 39 | 51.9 |
| 1983 | 63 | 51.9 |
| 1984 | 46 | 51.9 |
| 1985 | 38 | 51.9 |
| 1986 | 55 | 51.9 |
| 1987 | 62 | 51.9 |
| 1988 | 66 | 51.9 |
| 1989 | 40 | 51.9 |
| 1990 | 43 | 48.8 |
| 1991 | 61 | 48.8 |
| 1992 | 17 | 48.8 |
| 1993 | 53 | 48.8 |
| 1994 | 38 | 48.8 |
| 1995 | 55 | 48.8 |
| 1996 | 38 | 48.8 |
| 1997 | 45 | 48.8 |
| 1998 | 67 | 48.8 |
| 1999 | 71 | 48.8 |
| 2000 | 36 | 51.2 |
| 2001 | 47 | 51.2 |
| 2002 | 75 | 51.2 |
| 2004 | 34 | 51.2 |
| 2005 | 62 | 51.2 |
| 2006 | 47 | 51.2 |
| 2007 | 86 | 51.2 |
| 2008 | 47 | 51.2 |
| 2009 | 27 | 51.2 |
| Year | First date | Last date |
|---|---|---|
| 1975 | 1975-05-20 | 1975-10-14 |
| 1976 | 1976-04-21 | 1976-09-14 |
| 1977 | 1977-04-19 | 1977-09-19 |
| 1978 | 1978-05-20 | 1978-09-22 |
| 1979 | 1979-05-09 | 1979-09-13 |
| 1980 | 1980-05-05 | 1980-09-23 |
| 1981 | 1981-06-09 | 1981-10-01 |
| 1982 | 1982-05-06 | 1982-09-15 |
| 1983 | 1983-06-11 | 1983-10-04 |
| 1984 | 1984-06-06 | 1984-09-23 |
| 1985 | 1985-04-19 | 1985-09-23 |
| 1986 | 1986-04-01 | 1986-10-01 |
| 1987 | 1987-04-22 | 1987-11-03 |
| 1988 | 1988-04-06 | 1988-08-26 |
| 1989 | 1989-04-26 | 1989-10-14 |
| 1990 | 1990-04-25 | 1990-09-08 |
| 1991 | 1991-05-15 | 1991-09-17 |
| 1992 | 1992-06-17 | 1992-09-16 |
| 1993 | 1993-05-09 | 1993-09-14 |
| 1994 | 1994-05-23 | 1994-09-17 |
| 1995 | 1995-06-07 | 1995-09-07 |
| 1996 | 1996-05-19 | 1996-09-05 |
| 1997 | 1997-06-19 | 1997-10-12 |
| 1998 | 1998-05-13 | 1998-09-29 |
| 1999 | 1999-05-11 | 1999-09-28 |
| 2000 | 2000-05-07 | 2000-09-04 |
| 2001 | 2001-04-08 | 2001-09-14 |
| 2002 | 2002-04-19 | 2002-09-20 |
| 2004 | 2004-05-10 | 2004-09-24 |
| 2005 | 2005-05-12 | 2005-10-04 |
| 2006 | 2006-05-29 | 2006-10-05 |
| 2007 | 2007-05-01 | 2007-10-09 |
| 2008 | 2008-06-01 | 2008-09-15 |
| 2009 | 2009-04-25 | 2009-08-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 34 | 86 | 2007 | 27 |
| 35 C (95 F): Days | 25 | 30 | 1988 | 13 |
| 40 C (104 F): Days | 2 | 6 | 1988 | 6 |
| 90 F (32.2 C): Days | 34 | 49 | 1983 | 6 |
| 100 F (37.8 C): Days | 6 | 12 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 34 | 50 | 1978 | 20 |
| 0 C (32 F): Frost days (min | 34 | 144 | 1976 | 89 |
| -10 C (14 F): Days with min | 34 | 51 | 1977 | 15 |
| -20 C (-4 F): Days with min | 17 | 24 | 1977 | 1 |
| -30 C (-22 F): Days with min | 2 | 3 | 1977 | 1 |
| 20 C (68 F): Tropical nights (min | 34 | 50 | 2005 | 28 |
| 25 C (77 F): Days with min | 7 | 3 | 1999 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 36 | 56 | 1989 | 61 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 36 | 26 | 1996 | 28 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 31 | 4 | 1989 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1979 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 18 | 3 | 1977 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1978 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.
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).