National Weather Service United States Department of Commerce

Repeated rounds of heavy thunderstorms pushed April 2015 into the Top 4 wettest on record at the official climate sites in Louisville, Lexington, Frankfort, and Bowling Green. Below are the Top 4 wettest Aprils for each city.

Louisville  Lexington Frankfort Bowling Green

13.97" (2011)

12.70" (2011)

13.95" (2011)

11.49" (1912)

11.10" (1970)

11.41" (2015)

11.24" (2015)

10.35" (2011)

10.84" (2015)

9.30" (1970)

9.28" (1948)

9.68" (1983)

9.56" (1966)

 8.75" (1972)

8.42" (1998)

9.08" (2015)


Below is the observed rainfall (left) and its departure from normal (right) ending the morning of April 26 across the eastern US. Notice how much the lower Ohio Valley stands out - a large swath of 6-10"+ above normal for the period!

 

April 2015 also cracked into the Top 10 Wettest months overall on record for Lexington and Frankfort. Below are the Top 10 wettest months on record for these cities.

Louisville  Lexington Frankfort Bowling Green
19.17" (Jan 1937) 16.65" (Jan 1950) 16.77" (Jan 1937) 20.07" (Jan 1937)
17.52" (Mar 1997) 15.10" (Jan 1937) 13.95" (Apr 2011) 15.45" (Mar 1997)
16.46" (Jul 1875) 13.82" (Mar 1997) 13.59" (Mar 1964) 15.41" (Jan 1950)
14.91" (Mar 1964)  12.70" (Apr 2011) 12.07" (Jan 1950) 14.58" (Mar 1975)
13.97" (Apr 2011) 11.69" (Jun 1960) 11.92" (Mar 1997) 13.27" (May 1983)
13.01" (Jul 1896) 11.41" (Apr 2015)* 11.80" (Jan 1913) 13.17" (Dec 1978)
12.11" (Jan 1907) 11.22" (Jul 1875) 11.45" (Sept 1979) 13.11" (Jun 1928)
11.63" (Jan 1876) 11.18" (Aug 1974) 11.24" (Apr 2015)* 12.76" (Jan 1913)
11.57" (May 1990) 11.15" (Jan 1951) 10.74" (May 1983) 12.50" (Dec 1990)
11.38" (Jan 1950) 10.91" (May 2004) 10.56" (Sept 1906) 11.99" (Jan 1898)