Hydrologic Summary for February 2004 for the Area Served by the NWS Forecast Office at Sioux Falls, SD
Summary
The weather across the region in February continued the 3 month trend of opposite extremes occurring in the same month. The first ten days of the month saw much below normal temperatures and much above normal precipitation. The rest of the month was warm and dry.
Flooding
There was no flooding in southeast South Dakota, northwest Iowa, southwest Minnesota, or extreme northeast Nebraska in February.
General Hydrologic Information
Temperatures in February ended the month near normal. Average temperatures for the month were generally 1 to 3 degrees above the 30 year average.Precipitation for the month was above normal for most areas. Monthly departures from normal averaged around 0.3 inch, which is about 65 percent above normal. Snow cover decreased from 10 to 25 inches in the early parts of February to only a few inches at most remaining at the end of the month.
Soil Moisture conditions at the end of February were below normal throughout the region. Deficits of 1 to 3 inches were common. The National Drought Monitor showed moderate to severe drought across the western and northern portions of the region, with abnormally dry conditions for the central and southern parts of the area.
Mike Gillispie
March 8, 2004
March 8, 2004