Cold Canadian high pressure has dominated the weather pattern the last couple days. In fact, some records were set in northeast and north central South Dakota yesterday. For some locations, the coldest daytime high temperature on record was broken.
Location 3/11/09 High Temperature Previously Coldest High
Temperature on Record & Year
Aberdeen 0 4 / 1896 (over 100 years!)
Watertown -1 8 / 1984
Mobridge 0 7 / 1948
Sisseton 0 12 / 1956 (tied in 1998)
In addition, Mobridge broke its all time record low temperature for yesterday with -17 degrees. This breaks the old record of -16 set in 1948.
Also, Sisseton broke its all time record low temperature for today with -14 degrees. This shatters the old record of -4 set in 1998