State Weather Summary for Jan. 1 and Climatology Information for December 2012

SOUTH DAKOTA WEATHER SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
904 PM CST TUE JAN 1 2013

THICK LOWER CLOUDS HUGGED NEW YEARS DAY SKIES EAST OF THE JAMES
VALLEY THIS AFTERNOON...WHILE SUNSHINE PREVAILED MUCH OF THE DAY
ACROSS THE WEST AND CENTRAL. HOWEVER...CLOUDS OVERSPREAD THE
NORTHWEST LATE THIS AFTERNOON AND HAD TAKEN OVER THE WESTERN
THIRD OF THE STATE BY EARLY EVENING...AS A FRONTAL ZONE WORKED
EASTWARD THROUGH THE STATE.  SPOTTY FLURRIES AND LIGHT SNOWFALL
ACCOMPANIED THE INCREASE IN CLOUDS. HOWEVER...ENHANCEMENT IN THE
NORTHERN BLACK HILLS HAD PRODUCED AN INCH OF SNOW AT LEAD BY EARLY
EVENING. WINDS WERE ALSO INCREASED FROM THE NORTHWEST BEHIND THE
FRONT...GUSTING TO AROUND 30 MPH IN THE NORTHWEST CORNER EARLY THIS
EVENING.

HIGH TEMPERATURES THIS AFTERNOON VARIED FROM UPPER TEENS IN THE
EXTREME NORTH CENTRAL...TO UPPER 20S TO LOWER 30S WEST THROUGH
SOUTH CENTRAL. TEMPERATURES ACROSS THE PLAINS VARIED FROM 17 AT
MOBRIDGE...TO 35 AT FORT MEADE.

AT 8 PM CST...THE WIND SHIFT HAD CLEARED ABOUT THE NORTHWEST THIRD
OF THE RUSHMORE STATE. STUBBORN STRATUS WAS LINGERING ALONG PORTIONS
OF THE INTERSTATE 29 CORRIDOR...OTHERWISE IT WAS MAINLY CLEAR
EAST...AND CLOUDY WEST. SOME SPOTTY LIGHT SNOWFALL WAS SCATTERED
ABOUT THE WESTERN THIRD OF THE STATE.  WINDS VARIED FROM SOUTH TO
SOUTHWEST AT 5 TO 12 MPH IN THE EAST...TO NORTHWEST AT 20 TO 30 MPH
IN THE NORTHWEST. TEMPERATURES WERE COLDEST IN THE JAMES VALLEY...
WITH A CHILLY 6 DEGREES THE STATE COOLEST IN ABERDEEN. WARMEST
READINGS WERE FOUND IN RAPID CITY AND ELLSWORTH AIR FORCE BASE WITH
31 DEGREES.

FOR MANY LOCATIONS...SIGNIFICANT CHANGES OCCURRED DURING THE PAST
MONTH. A WARM AND DRY START IN THE SOUTHEAST WAS BROKEN MID MONTH BY
A RECORD RAINFALL EVENT...FOLLOWED BY A COLD AND SNOWY SECOND HALF.
A SNOW EVENT CENTRAL TO NORTHEAST AT THE END OF THE FIRST WEEK KEPT
THINGS A BIT COOLER...BUT EVEN COOLER AND SNOWY WEATHER WOULD
PREVAIL AT THE END OF THE MONTH. THE WEST THROUGH SOUTH CENTRAL
AVOIDED SIGNIFICANT SNOWFALL...AND REMAINED RELATIVELY MILD UNTIL
THE FINAL WEEK OF THE MONTH.

A SUMMARY OF STATEWIDE CLIMATOLOGICAL INFORMATION FROM DECEMBER...

                 MEAN
LOCATION        TEMP  DEPARTURE  PRECIP  DEPARTURE  SNOW  DEPARTURE
-----------      ----  ---------  ------  ---------  ----  ---------
SIOUX FALLS      21.6    +2.4      1.31     +0.62    12.7    +4.5
HURON            20.0    +0.8      1.12     +0.60    13.0    +5.0
MITCHELL         22.1    +1.2      1.06     +0.61     9.7
SIOUX CITY       25.7    +3.1      1.67     +0.87     9.9    +2.1

ABERDEEN         15.4    -0.3      0.75     +0.23    13.3    +6.4
WATERTOWN        16.9    +0.9      0.93     +0.40    10.2    +3.1
SISSETON         15.3    -1.7      0.75     +0.36     9.0
MOBRIDGE         18.5    +0.3      0.54     +0.10     8.8

PIERRE           21.1    -0.6      0.65     +0.10     9.7    +4.8
WINNER           27.1    +2.0        M                 M

FAITH            18.6    -2.5      0.27     -0.13      M
PHILIP           23.1    +0.1      0.27     -0.16      M
RAPID CITY ARPT  24.9     0.0      0.25     -0.17     5.3    -0.1
RAPID CITY DWTN  27.9    +0.6      0.23     -0.09     5.6    +0.4
PINE RIDGE       25.5    +2.4      0.20     -0.15      M
BUFFALO          22.8    +1.8      0.29      0.00      M

1998 WAS A RECORD WARM AFTERNOON FOR MUCH OF THE AREA. HIGHS IN THE
50S TO LOWER 60S WERE COMMON...INCLUDING

64 PIERRE...2NE ACADEMY...PICKSTOWN
63 5S CHAMBERLAIN...GREGORY
62 KENNEBEC...WAGNER
60 MITCHELL...4NNE FORESTBURG...TYNDALL
59 HURON...YANKTON
58 2SE VERMILLION
57 TIMBER LAKE
55 SIOUX FALLS
53 ABERDEEN
47 SISSETON

ON THIS DATE IN 2011...A RAGING BLIZZARD WAS WINDING DOWN ACROSS THE
STATE. NORTHWEST WINDS FROM 25 TO 40 MPH WITH ADDITIONAL SNOWFALL ON
THE DATE FROM 6 TO 10 INCHES CREATED WIDESPREAD VISIBILITIES NEAR
ZERO. BOTH INTERSTATES 29 AND 90 WERE CLOSED FROM NEW YEARS EVE INTO
JANUARY 2.  5 STRANDED MOTORISTS WERE RESCUED ON HIGHWAY 83.
SNOWFALL FOR THE EVENT RANGED FROM 6 TO 15 INCHES ACROSS THE
STATE...INCLUDING 14 INCHES AT MELLETTE...SISSETON...VICTOR AND
ROSCOE...AND 15 INCHES AT BRITTON...WEBSTER...AND REDFIELD.

$$

CHAPMAN



Return to News Archive

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.