A Fairly Dry and Cold February

Precipitation
Shown below is the precipitation percent of normal over the 30 day period from February 1 through March 2, 2011. As depicted by the yellow, orange and red shading, well below normal amounts of precipitation were received across the Upper Missouri, Souris, Knife and James river basins. For example, the Jamestown airport only recorded a trace of precipitation during the entire month of February. Near to slightly above normal precipitation was received across the southern third of North Dakota, thanks in large part to the winter storm of February 20-21, which brought 15.4 inches of snow to Bowman, containing 1.26 inches of liquid equivalent.
Temperature
Shown below is the departure from normal of temperatures during the 30 day period from February 1 through March 2, 2011. As indicated by the purple, blue and green shading, all of western and central North Dakota saw below normal temperatures during this period. The greatest departures from normal were across southwest North Dakota, where temperatures ran 10 to 15 degrees below normal.


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