Event Total Rainfall from April 12-16

Significant rainfall fell over much of central and northeastern South Dakota and west-central Minnesota from April 12th through April 16th (see image below).  The highest totals were generally found over the Sisseton Hills/Glacial Lakes area of northeastern South Dakota, where 4" to 5"+ of rainfall has been reported.  Generally 1-3" of rain fell from the Missouri River to the James River Valley - with the lightest amounts across far northwestern South Dakota.  This was the heaviest amount of precipitation since the "Leap Year Blizzard" on 28-29 February 2012.

A few of the highest 5-day rainfall totals - and rainfall at some of the larger cities are listed below:

  • 3.8W Sisseton, SD = 5.60"
  • 7.0N Roy Lake, SD = 4.26"
  • Sisseton, SD Airport = 3.61"
  • Victor, SD = 3.55"
  • Browns Valley, MN = 3.52"
  • Aberdeen, SD = 2.25"
  • Watertown, SD = 1.88"
  • Pierre, SD = 1.83"
  • Mobridge, SD = 1.03"

 


 

The map below shows the 5-day event total precipitation for the period April 12th - April 16th.

 

      



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