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, Storms continued to pound the District through late-April, with additional snowfall adding to Rocky Mountain snow pack in the west while severe thunderstorms raked some locations in the eastern part of the District every few days. Despite the frequent storms, rivers generally receded to below flood stage with the exception of the James River in South Dakota. The snow pack in Colorado pushed to above average levels for the first time during the spring. ; May began with similar weather conditions as the District continued to warm, By May 7th, some high level snowmelt flooding was reported on the Beaverhead River in Montana. Only minor overbank flows were reported, as nighttime temperatures fell back to near freezing. Similar melting conditions prevailed in Colorado, so that despite above average snow pack, little flooding resulted. By May 26'h the Weather Service in Denver declared that the threat of a snowmelt flood in the Platte River basin was over, due to the gradual melting. More significant storms returned to the District by May 11 th, Two to four inches of rain fell over parts of north central and northeast South Dakota, contributing to flooding along tributaries to the swollen James River and increasing high lake levels in the Waubay Lakes area to all time record levels, and posing a flood threat to Waubay, South Dakota. Severe thunderstorms, with large hail, raked parts of Nebraska as a strong cold front pushed eastward. Thunderstorms including several tornadoes pounded western Iowa and adjacent states on the 15'h, with hail and wind damage being the primary result. Another round of severe weather struck the eastern part of the District a week later on May 22"". Three to 6 inches of rain were reported in parts of the northern Salt Creek basin north of Lincoln, Nebraska, causing flooding on Wahoo Creek, Rock Creek and the lower portion of Salt Creek. Heavy rains in western Iowa caused the Nishnabotna to rise above flood stage again. Lowland flooding was also reported near Kearney and Rushville, Nebraska as squall lines roared through the western and central part of that state, spawning tornadoes and dumping 2 to 5 inches of rain. The Wood River rose to near flood stage between Aida and Grand Island, Nebraska, by the 24th and 25'h. , More thunderstorms struck eastern Nebraska, western Iowa and eastern South Dakota on the 2B'h and 29th. Rainfall amounts ranged up to 3.7 inches at Union, Nebraska, and 4 inches at Pacific Junction, Iowa. Weeping Water Creek rose to near flood levels, while the lower Nishnabotna River continued to rise. The Missouri River from Brownville downstream pushed slightly above flood stage again by the 30'h in response to the tributary inflows. 'i Thunderstorms continued to pound some part of the District nearly every night during early June, but no significant flooding was reported until June 13'h. 13