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Historic May downpours

May 25, 2012

  About one week ago, a friend of mine said “we need some rain to keep the dust down”. We sure don’t need any more rain right now! We saw buckets of rain Wednesday evening through Thursday afternoon. At MSP airport, .81” fell Wednesday evening, and the tally yesterday was 2.58”, which is a new record rainfall total for May 24th. The two-day total at MSP airport was 3.39 inches. That is more than our average monthly total for May of 3.24”. A month’s worth of rain in about 24 hours!

  The generous rains have lifted lake levels, and Minnehaha Creek has reappeared. On Wednesday morning, the creek was barely flowing. Here’s how it looked today, near the Burwell House in Minnetonka:

 

                     (Left-click on photo for a larger image)

   Our rainfall at MSP now stands at 8.18” this month, enough to make this the second-rainiest May in Twin Cities history. Here is an updated list of our rainiest Mays, based on data posted on the Minnesota State Climatology Office web site ( http://climate.umn.edu/doc/twin_cities/may_msp_rank.htm ):

Rank     Rainfall     Year

——-    ———-    ——–
   1.      10.33 …… 1906
   2.        8.18 …… 2012
   3.        8.14 …… 1908
   4.        8.03 …… 1962
   5.        7.87 …… 1933
   6.        7.86 …… 1965
   7.        7.18 …… 1879
   8.        6.97 …… 1938
   9.        6.97 …… 1916
 10.        6.78 …… 1942

   We have a shot at the May rainfall record. Occasional showers and thunderstorms are expected this weekend, but we should have some dry time for outdoor fun too.

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