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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2013

April 22 - April 28, 2013

WEATHER SUMMARY:

Unseasonal cold on Monday morning forced the thermometer to 35 degrees at Walhalla. The Greenville-Spartanburg AP high temperature of 63 degrees was 11 degrees below that site's long-term average. At 5:00 p.m., both airports in Columbia reported a relative humidity value of just 20 percent. The Folly Beach Tuesday morning temperature fell to a chilling 54 degrees. Areas of fog on Wednesday preceded a general warming for the state. Cades and Hardeeville reached 82 degrees on Wednesday afternoon. Thunderstorms erupted on Thursday along the coastal plain with one-inch diameter hail falling over parts of Dorchester County. Bamberg recorded a Thursday high temperature of 83 degrees. A CoCoRaHS volunteer observer in Georgetown measured 1.82 inches of rain. Kingstree and Darlington warmed to 79 degrees on Friday under mostly sunny skies. Saturday's slow-approach of a frontal boundary caused showers to form over counties near the Savannah River. The rain gage at McCormick indicated 0.60 inches while nearby Greenwood received 0.50 inches. Rainfall coverage increased on Sunday for much of inland South Carolina. "Heavy rain" was observed at Clemson, Greenville, Rock Hill, Greenwood, Columbia and Orangeburg. Pockets of thundershowers with intense rain fell through the midnight hour. The average temperature for the seven-day period was two degrees below the long-term average.

The highest official temperature reported was 84 degrees at Beaufort MCAS, Charleston AP, Jamestown and Barnwell on April 25. The lowest official temperature reported was 34 degrees at Caesars Head on April 24. The heaviest official 24-hour rainfall reported was 2.03 inches at Rock Hill AP on April 28. The state average rainfall for the seven-day period was 1.3 inches.

PRECIPITATION:

                                   Precipitation                
                              Weekly   Jan 1   Departure     
                              Total    Total    from Avg     
        Anderson AP            1.91    16.84      1.8
           Greer AP            2.04    17.32      1.9
   Charlotte, NC AP            2.45    15.47      1.9
  Columbia Metro AP            1.80    14.70      1.3
      Orangeburg AP            0.64    14.04     -0.2
Augusta, GA Bush AP            2.26    17.00      2.3
        Florence AP            0.83    12.41      0.5
  N Myrtle Beach AP            0.15    12.60     -1.2
      Charleston AP            0.37    19.69      6.6
    Savannah, GA AP            0.00    15.65      2.6
        
Weekly rainfall totals ending midnight Sunday.  

SOIL:

4-inch depth soil temperature: Columbia 67 degrees, Charleston 69 degrees.

RIVERS AND SURF:

South Carolina river stages were near normal. Ocean water temperatures at Springmaid Pier Myrtle Beach were reported at 67 degrees.

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Columbia, SC 29202