April was colder than normal across central/western Wyoming. The month did end with several record highs on the 30th. Casper even tied the all-time monthly high at 84 degrees. Precipitation was a mix of wetter/drier than normal.
For Lander, two reporting stations in Riverton and Worland, April was wetter than normal and a bit cooler than normal.
At the Riverton Airport, precipitation was the ninth highest since 1996 with 0.17 inches of precipitation. Lander and Worland each had their 21st wettest April wit Lander up 0.57 inches and Worland up 0.25 inches. Those records date back to 1946 in Lander and 1960 in Worland.
The Riverton airport recorded its sixth coolest April since 1996 with an average temperature of 42 degrees, Worland had its 11th coolest April at 43.1 degrees and Riverton’s downtown recorded its 28th coolest April with an average temperature of 42.1 degree.
See the graph below for the averages from the region: