First Ten Days of November Warmer Than Same Period in October

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
528 PM CST WED NOV 11 2009

A COMPARISON OF THE FIRST TEN DAYS OF NOVEMBER 2009 WITH THE FIRST
TEN DAYS OF OCTOBER 2009 SEEMS IN ORDER AFTER SUCH MILD WEATHER
ACROSS THE AREA THE PAST SEVERAL DAYS. THE FOLLOWING TABLE SHOWS THAT
HIGH TEMPERATURES FOR THESE FIRST TEN DAYS OF NOVEMBER HAVE AVERAGED
9.2 DEGREES ABOVE WHAT THEY WERE FOR THE SAME PART OF OCTOBER. SINCE
THE LOW TEMPERATURES IN OCTOBER WERE MUCH MILDER THAN THIS MONTH...
THAT MADE THE AVERAGE TEMPERATURES FOR THE FIRST TEN DAYS OF BOTH
CLOSER TOGETHER...BUT STILL THE DIFFERENCE AVERAGED 3.1 DEGREES
WARMER THIS NOVEMBER. RESIDENTS MAY RECALL THAT THE COLD SNAP IN
OCTOBER RAN FROM THE 9TH UNTIL THE 17TH...WITH THE COLDEST MORNING
ON THE 11TH. THEREFORE...THIS COMPARISON ONLY OVERLAPS TWO OF THE
THREE COLDEST DAYS IN THAT COLD SNAP.

                    NOV 1-10  OCT 1-10       NOV 1-10 OCT 1-10
                    2009 HIGH 2009 HIGH DIFF AVERAGE  AVERAGE  DIFF
                    --------- --------- ---- -------- -------- ----
BROOKINGS SD           56        48      +8     45       42     +3
CHAMBERLAIN SD         62        49     +13     47       41     +6
HURON SD               60        50     +10     45       42     +3
MITCHELL SD            61        51     +10     47       43     +4
SIOUX FALLS SD         59        51      +8     45       44     +1
YANKTON SD             61        52      +9     48       43     +5
MARSHALL MN            58        48     +10     46       42     +4
WORTHINGTON MN         57        49      +8     45       43     +2
SIOUX CITY IA          63        55      +8     48       46     +2
SPENCER IA             61        53      +8     45       44     +1

$$

TRM



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