March temperatures averaged 2 to 3 degrees below normal region wide, but varied widely. Temperatures ranged from 5 to 8 degrees below normal across northwest, central and south central South Dakota, to 1 to 3 degrees above normal on the plains of northeast Wyoming and in northern foothills. In the higher elevations of the Black Hills temperatures averaged 3 to 6 degrees above normal. Gillette 4SE in northeast Wyoming was the warm spot averaging 2.8 degrees above normal. The cold spot was in Dupree where temperatures averaged 8.6 degrees below normal.
Precipitation in March was slightly below normal region wide. The wettest areas were across Weston and southern Campbell counties in northeast Wyoming where precipitation averaged 150 to 200 percent of normal. The driest area was across far northwestern South Dakota where precipitation was 30 to 40 percent of normal. The wet spot was at Hoover, where precipitation was 371 percent of normal. Lodgepole 5SW was the dry spot with only 28 percent of normal precipitation. The precipitation deficit for the month averaged 0.08 inches.
Snowfall in March averaged 20 to 30 percent above normal. Across the northern Black Hills and Bear Lodge Mountains 18 to 36 inches of snow fell. Elsewhere, on the plains of northeast Wyoming and western South Dakota, and in the southern and central Black Hills, snowfall averaged 8 to 14 inches.
March 11…A strong cold front moved across the region bringing northwest winds of 35 to 45 mph with gusts in excess of 60 mph to northeast Wyoming and western South Dakota. The strongest wind gust in northeast Wyoming was 76 mph, 2 miles northeast of Echeta. In South Dakota the strongest wind gust was 71 mph, 5 miles west of Spearfish.
March 26…A strong upper level disturbance brought 4 to 8 inches of snow to northwest South Dakota. Elsewhere across western South Dakota and over northeast Wyoming 1 to 3 inches of snow fell.
|LOCAL EXTREMES||Rapid City||Lead||Gillette|
|Max. Temp.||71 degrees||16th||58 degrees||19th, 20th||65 degrees||19th|
|Min. Temp.||-8 degrees||2nd||5 degrees||7th||0 degrees||7th|
|Precipitation||0.92 inches||1.52 inches||0.82 inches|
|Snowfall||16.9 inches||17.0 inches||3.6 inches|
|Max. Precipitation||0.21 inches||26th||0.35 inches||23rd||0.30 inches||31st|
|Max. Snowfall||6.6 inches||26th||6.3 inches||8th||2.0 inches||4th|
|REGIONAL EXTREMES||Western South Dakota||Northeast Wyoming|
|Max. Temp.||79 degrees||Winner||17th||67 degrees||Colony||19th|
|Min. Temp.||-15 degrees||Lodgepole 5SSW||2nd||-5 degrees||Dillinger||7th|
|Precipitation||Western South Dakota||Northeast Wyoming|
|Max. Precipitation||2.89 inches||Hoover||1.58 inches||Sundance|
|Min. Precipitation||0.31 inches||Ludlow 3SSE||0.41 inches||Colony|
|Max. Snowfall||18.5 inches||Hoover||12.8 inches||Upton 14ENE|
|Min. Snowfall||3.0 inches||Harding 3SE||3.6 inches||Gillette 4SE|
|Max. Precipitation||10.0 inches||Newell||28th||0.52 inches||Upton||4th|
|Max. Snowfall||0.82 inches||Hoover||17th||7.0 inches||Upton||4th|
|MONTHLY RECORDS||WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING|
|LOCATION||DATE||NEW RECORD||OLD RECORD||DATE|
|NO RECORDS SET||NO RECORDS SET|