May precipitation is record in Kansas history
The Kansas State University Weather Data Library says average rainfall in May was 10.26 inches, the wettest month on records going back 125 years.
The Kansas News Service reports the deluge broke the previous record set in June 1951.
In addition, 19 weather stations recorded monthly totals of more than 20 inches.
The rainfall was uneven but followed typical patterns of being drier in the west and wetter in the east. Southeast Kansas stations averaged 17 inches in May, while west central Kansas stations averaged only 5.31 inches, which is still 175 percent of normal rainfall for the region in May.
The amount of water moving through the state was the highest the U.S. Geological Survey’s Kansas Water Science Center has ever seen.
According to Mary Knapp, associate agronomist for the KSU Weather Data Library, reports that area weather stations have reported an average of 12.07 inches for May.
Goff weather stations have reported between 11.46 and 12.75 inches. Seneca has reported between 11.84 and 12.96 inches. Other area stations in Baileyville, Centralia and Onaga have reported anywhere from 10.11 to 12.54 inches.
The KSU Weather Data Library reports that Nemaha County received 11.91 inches of precipitation in May, while Brown County received 11.14. Normal May totals are around 4.7 inches for Nemaha County and 4.8 inches for Brown County.
For the five months of 2019, Nemaha County has received 19.6 inches of precipitation, and Brown County has received 19.9 inches.
Normal totals for an entire 12-month period are 34.1 inches for Nemaha and 35.1 inches for Brown.
“Normal,” according to the KSU Weather Data Library, indicates a 30-year average that is updated every 10 years, forming a baseline comparison of current conditions to a long-term period. The current normals are based on data from 1981 to 2010.