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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2010

September 27, 2010 - October 3, 2010

WEATHER SUMMARY:

Heavy rains continued into Monday morning and by sunrise several locations had totaled 24-hour amounts of between two and four inches. Hemingway reported a Monday morning measurement of 4.66 inches. All-day rains along the coastal counties resulted in widespread ponding on rural and urban properties. Energy from a Florida Key's and short-lived Tropical Storm Nicole reformed as an extra-tropical feature southeast of Charleston on Wednesday. The surface low entered an elongated trough, positioned over the eastern seaboard, and tracked into the South Carolina coast near Georgetown. Shortly after 1:00 a.m. on Thursday morning, tropical storm force conditions began to affect the Grand Strand. Springmaid Pier recorded a peak sustained wind of 41 mph from the south-southeast at 2:54 a.m. The Georgetown Airport measured a peak wind gust of 64 mph at 3:15 a.m. The Marion and Marlboro County airports noted minimum barometric pressure values of 29.37 inches of mercury. By Thursday morning, Bennettsville had received 5.16 inches of rain during the 24-hour period. At the same time, Florence, Cheraw and Marion reported rainfall totals of over four and one-half inches. Although Thursday's late afternoon sunshine began appearing over the western counties there were still a few light showers rotating southeastward around the exiting storm. The heaviest multi-day rainfall total was measured at N Inlet, Winyah Bay Georgetown, with 10.43 inches. September ended with rainfall amounts ranging from just 1.74 inches at Pelion to 10.71 inches at the Georgetown County AP. Partly sunny skies returned on Saturday with much cooler temperatures. On Saturday morning, the Upstate was the first to report minimum temperatures in the middle 40's. Beaufort shared in the fall airmass Sunday morning with a low temperature of 60 degrees. Light showers edged into the northern counties Sunday afternoon while locations to the east observed mostly sunny, mild weather. Saluda reported a Sunday high temperature of 80 degrees. The state average temperature for the seven-day period was one degree below normal.

The highest official temperature reported was 85 degrees at Ft. Moultrie on September 27. The lowest official temperature reported was 45 degrees at Table Rock and Walhalla on October 2 and at Cedar Creek on October 3. The heaviest official 24-hour rain reported was 5.18 inches at N Inlet, Winyah Bay Georgetown ending at 7:00 a.m. on September 28. The state average rainfall for the period was 2.7 inches.

PRECIPITATION:

               
                             
                             
                            

                           Precipitation                                                       
                       Weekly   Jan 1   Departure     
                        Total   Total   from Avg
         Greer           0.86   36.48     -2.6
      Anderson           1.12   32.70     -3.5
      Columbia           1.00   30.81     -8.6
    Orangeburg           1.41   36.41     -3.0
 Charlotte, NC           2.07   32.15     -1.5
   Augusta, GA           0.52   25.47    -10.4
      Florence           6.87   39.95      3.9
N Myrtle Beach           7.67   37.03      0.5
    Charleston           4.30   53.96     11.0
  Savannah, GA           2.32   33.81     -7.8  

             
                            


                     

Weekly rainfall totals ending midnight Sunday.  

SOIL:

4-inch depth soil temperature: Columbia 74 degrees, Charleston 75 degrees.

RIVERS AND SURF:

South Carolina river stages were near to above normal. Ocean water temperatures at Springmaid Pier Myrtle Beach were reported at 76 degrees.

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