First Below Zero Reading at Sioux City this Winter

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
513 PM CST TUE DEC 10 2008

...COLDEST OVERNIGHT PERIOD SO FAR THIS WINTER...

THE LOW TEMPERATURE AT THE SIOUX CITY GATEWAY AIRPORT THIS MORNING
WAS 3 BELOW ZERO AT 201 AM. THIS IS THE FIRST TIME THAT SIOUX CITY
HAS DROPPED BELOW ZERO THIS WINTER. THE AVERAGE DATE OF THE FIRST
BELOW ZERO READING AT SIOUX CITY IS DECEMBER 14TH, SO THIS CHILLY
MORNING WAS ABOUT 4 DAYS AHEAD OF NORMAL.

THE OVERNIGHT LOW TEMPERATURE AT THE SIOUX FALLS FOSS FIELD AIRPORT
COOLED TO 1 ABOVE ZERO AT 948 PM ON DECEMBER 9TH. THIS WAS THE
COLDEST READING SO FAR THIS WINTER. ALTHOUGH IT HAS NOT OCCURRED
YET, THE AVERAGE FIRST DATE OF A BELOW ZERO TEMPERATURE IS DECEMBER
5TH. THEREFORE, LOW TEMPERATURES HAVE NOT BEEN AS COLD AS THEY
COULD BE.

THE LOW TEMPERATURE AT HURON SOUTH DAKOTA THIS MORNING WAS 5 ABOVE
ZERO AT 120 AM. THIS WAS THE COLDEST READING SO FAR THIS WINTER.
ALTHOUGH IT HAS NOT OCCURRED YET, THE AVERAGE FIRST DATE OF A BELOW
ZERO TEMPERATURE IS DECEMBER 5TH. THEREFORE, HURON IS ALSO RUNNING
WARMER ON LOW TEMPERATURES THAN THEY COULD BE.

THE LOW TEMPERATURE AT MITCHELL SOUTH DAKOTA THIS MORNING WAS 4
ABOVE ZERO AT 1208 AM. THIS WAS NOT QUITE AS COLD AS YESTERDAY
MORNING, WHEN THE LOW ON THE 9TH OF DECEMBER WAS 3 ABOVE ZERO AT
833 AM. ALTHOUGH IT HAS NOT OCCURRED YET, THE AVERAGE FIRST DATE OF
A BELOW ZERO TEMPERATURE IS DECEMBER 5TH. THEREFORE, MITCHELL HAS
NOT BEEN AS COLD AS IT COULD BE SO FAR THIS WINTER.

THE OVERNIGHT LOW TEMPERATURE AT MARSHALL MINNESOTA WAS ZERO ON
TUESDAY NIGHT. THIS WAS THE COLDEST MINIMUM TEMPERATURE SO FAR THIS
WINTER. ALTHOUGH IT HAS NOT OCCURRED YET, THE AVERAGE FIRST DATE OF
A BELOW ZERO READING AT MARSHALL IS DECEMBER 6TH. SO MARSHALL COULD
HAVE BEEN COLDER ALREADY THIS WINTER.

THE LOW TEMPERATURE THIS MORNING AT SPENCER IOWA WAS 2 BELOW ZERO.
THIS WAS THE COLDEST READING SO FAR THIS WINTER, AND THE SECOND
TIME THAT IT COOLED BELOW ZERO. THE OTHER CHILLY MINIMUM WAS THE
EVENING OF DECEMBER 6TH, WITH 1 BELOW ZERO. THIS WAS RIGHT ON
TARGET FOR THE AVERAGE FIRST BELOW ZERO READING.

$$

TRM


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