RSS FeedsHydrologic Summary for August 2004 for the Area Served by the NWS Forecast Office at Sioux Falls, SD
Summary
August saw cool conditions across the entire region, with precipitation totals ranging from near normal to slightly above normal north and west to below normal southeast.
Flooding
There were two flash flood events in August. Minnehaha and Nobles counties received heavy rainfall on the 3rd, which resulted in minor flooding of low lying areas. There was no river flooding in August.
General Hydrologic Information
Temperatures in August were below normal across the region. Average temperatures for the month were generally 4 to 5 degrees below the 30 year average.Precipitation for the month averaged normal to slightly above normal for the western and northern parts of the region, and below normal for the southeast. On average, precipitation totals were generally normal to 1.0 inches above normal west and north, and 1 to 2 inches below normal southeast.
Soil Moisture conditions at the end of August were near normal for most of the region. Deficits of around 1 to 2 inches were still being reported in the extreme western areas along the Missouri River. A slight soil moisture surplus was indicated in parts of southwest Minnesota. The National Drought Monitor indicated abnormally dry to moderate drought conditions persisting in the extreme western areas, with near normal conditions across the rest of the region.
Mike Gillispie
September 14, 2004
September 14, 2004
