Ohio Weather Records

5 official all-time records

The official all-time extremes for Ohio, as NOAA’s State Climate Extremes Committee lists them: from 113°F at Gallipolis (near) to -39°F at Milligan.

Maximum Temperature

Record	Date	Where	Station	Status
113°F	July 21, 1934	Gallipolis (near)	333029	E: Value is unchanged from previous extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

Minimum Temperature

Record	Date	Where	Station	Status
-39°F	February 10, 1899	Milligan	335310	E: Value is unchanged from previous extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

Greatest 24-Hour Precipitation

Record	Date	Where	Station	Status
10.75 inches	August 7, 1995 to August 8, 1995	Lockington Dam (nr. Sidney, Shelby Co. OH)		EA

Value is published in the August 1995 Storm Data publication and is from a reliable gauge. Higher 24-hr amounts may have occurred in conjunction with a line of severe storms that impacted Northwest Ohio on July 4-5, 1969.

Maximum 24-Hour Snowfall

Record	Date	Where	Station	Status
30 inches	April 20, 1901	Warren 3S	338769	N: Value is changed from extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

Maximum Snow Depth

Record	Date	Where	Station	Status
47 inches	November 14, 1996	Chardon	331458	N: Value is changed from extremes tables last updated by NCEI (formerly NCDC) between 1998 and 2006. Value exceeds all other valid values.

Every storm in Ohio since 1950 Every tornado in Ohio Every state

Sources

NOAA National Centers for Environmental Information, State Climate Extremes Committee records.