Thunderstorms will produce additional heavy rainfall across much of the Ohio Valley through this evening, leading to a moderate risk for flash flooding due to grounds already being saturated across the region. Elsewhere, severe thunderstorms are possible from the Ohio Valley to the Southern Plains, and critical fire weather conditions are forecast across parts of the Pacific Northwest today. Read More >
| Temperature (in degrees Fahrenheit) | |
| Highest Temperature | 105 degrees on July 24, 1934 |
| Lowest Temperature | -27 degrees on January 20, 1985 |
| Warmest Month | 81.3 degrees in July 1955 |
| Coldest Month | 10.1 degrees in January 1977 |
| Warmest Season | 76.4 degrees in Summer of 1955 |
| Coldest Season | 18.3 degrees in Winter of 1903-04 |
| Warmest Year | 54.4 degrees in 1921 |
| Coldest Year | 45.1 degrees in 1875 |
| Highest Dew Point | 9.35 on August 13 – 14, 1987 |
| Lowest Relative Humidity | 13% on numerous days |
| May 10, 1934 | |
| April 11, 1956 | |
| April 8, 1971 | |
| April 14, 2015 | |
| Precipitation (in inches) | |
| Wettest Year | 50.86 in 2008 |
| Driest Year | 22.22 in 1962 |
| Wettest Season | 23.48 Summer (Jun – Aug) of 1987 |
| Driest Season | 1.60 Winter (Dec – Feb) of 2002 - 2003 |
| Wettest Month | 17.10 in August 1987 |
| Driest Month | 0.01 in September 1979 |
| Greatest in 24 Hours | 83 on July 29th-30th 1999 |
| Greatest Calendar Day | 6.86 on July 23, 2011 |
| Snowfall (in inches) | |
| Seasonal (Jul – Jun) Greatest | 89.7 in 1978 - 1979 |
| Seasonal (Jul – Jun) Least | 9.8 in 1920 - 1921 |
| Winter (Dec – Feb) Greatest | 80.6 in 1978 – 1979 |
| Winter (Dec – Feb) Least | 5.7 in 1930 - 1931 |
| Greatest Total: | |
| Month | 42.5 in January, 1918 |
| Storm | 23.0 on January 26 – 27, 1967 |
| 24 Hours | 20.0 on February 1-2, 2011 |
| Calendar Day | 18.6 on January 2, 1999 |
| Snow Depth | 29 inches on January 14, 1979 |
| Pressure (in inches of Mercury) | |
| Highest | 30.98 on Feb 16, 1989 |
| Lowest | 28.70 on March 12, 1923 |
| Wind (in mph) | |
| Highest Gust | 87 on February 12, 1894 |
| Coldest Wind Chill | -82 on December 24, 1983 |
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