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South Carolina State Climatology Office
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September 10 - September 16, 2012


Modified Canadian air settled over the Southeast for the week bringing a stretch of dry, stable weather to South Carolina. On Monday morning, Pelion, Saluda and Newberry cooled to 56 degrees. At 4:00 p.m. on Monday, Shaw AFB in Sumter reported 79 degrees with 33 percent relative humidity. At the same time on Tuesday, that station reported 80 degrees with 34 percent relative humidity; on Wednesday, 80 degrees with 36 percent relative humidity; and on Thursday, 80 degrees with 39 percent relative humidity. A high barometric pressure value of 30.38 inches of mercury was observed at the Rock Hill AP, Greenwood AP, Greenville AP and Clemson AP on Wednesday. The Thursday morning sunrise temperature at Chester, Calhoun Falls, Laurens and Bishopville fell to an early, October-like 55 degrees. The Kingstree AP location rebounded from 63 degrees at 7:35 a.m. to 86 degrees at 4:00 p.m. Charleston AP and Sullivan's Island reached 86 degrees on Friday. Temperatures on Saturday continued to ease upward as did the humidity. Kings Mt. National Park, Florence, Georgetown and Beaufort recorded 87 degrees. Sunday began with most sites in the 60's before climbing into the 80's. Pinopolis and Hardeeville warmed to 89 degrees. During the evening hours, areas of rain developed over parts of northwestern South Carolina. The state average temperature for the period was three degrees below normal.

The highest official temperature reported was 91 degrees at Givhans on September 15. The lowest official temperature reported was 51 degrees at Hunts Bridge on September 9 and at Jocassee and Ninety Nine Islands on September 14. The heaviest official 24-hour rainfall reported was 0.35 inches at the Greenville-Spartanburg AP on September 16. The state average rainfall for the period was 0.0 inches.



                           Weekly   Jan 1   Departure     
                            Total    Total    from Avg        
         Greer AP            0.35    28.73     -5.7
      Anderson AP            0.03    30.50     -1.1
      Columbia Metro AP      0.00    35.08      1.2
    Orangeburg AP            0.00    34.41     -1.0
 Charlotte, NC AP            0.03    26.44     -3.9
   Augusta, GA Bush AP       0.00    27.72     -4.9
      Florence AP            0.14    33.21      0.7
N Myrtle Beach AP            0.00    30.47     -8.6
    Charleston AP            0.00    36.08     -3.2
  Savannah, GA AP            0.29    35.21     -1.8

Weekly rainfall totals ending midnight Sunday.  


4-inch depth soil temperature: Columbia 79 degrees, Charleston 78 degrees.


South Carolina river stages were near to below normal. Ocean water temperatures at Springmaid Pier Myrtle Beach were reported at 82 degrees.

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Columbia, SC 29202