RSS FeedsHydrologic Summary for September 2005 for the
Area Served by the NWS Forecast Office at
Sioux Falls, SD
Summary
September 2005 was a hot and wet month across the region.
Flooding
There was no river flooding in September. There were 2 flash flood events in September. The first was localized flash flooding in the Sioux Falls and Spirit Lake areas on the 8th. The other was on the 25th, and was much more widespread, affecting many areas from southeastern South Dakota through southwestern Minnesota.
General Hydrologic Information
Temperatures in September were much above normal across the entire region. Average temperatures for the month were generally around 7 degrees above the 30 year average.Precipitation for the month was near normal to above normal for all of the region. Precipitation totals ranged from 0 to 5 inches above normal (100% to 200% of normal). The northeastern half of the region saw the most rainfall, with the near normal conditions confined to south-central South Dakota and northeastern Nebraska.
Soil Moisture conditions at the end of September were near normal across the southern portions of the region, and up to 2 inches above normal in the northeast. The National Drought Monitor indicated near normal conditions for nearly all of the region, with abnormally dry conditions persisting along the Missouri River.
Mike Gillispie
October 12, 2005
October 12, 2005
