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South Carolina State Climatology Office
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August 30, 2010 - September 5, 2010


A ridge of high pressure spread southward on Monday with early morning low temperatures of 61 degrees at Conway, Loris, Kingstree and Johnston. The last day of meteorological summer was sunny and hot. Dillon recorded 98 degrees on Tuesday, August 31. Rainfall amounts for August ranged from Aiken's total of 12.44 inches to 1.47 inches at McColl. Less humid conditions were observed on Wednesday despite the thermometer climbing to 98 degrees again at Columbia Metro AP, Longtown and McCormick. At 3:00 p.m., the Rock Hill AP reported 94 degrees and a relative humidity value of 25 percent. On Thursday, a distant offshore Hurricane Earl passed to the east. The only noticeable effects were 36 mph wind gusts at Springmaid Pier, Myrtle Beach, large breaking swells along the beaches and a minimum barometric pressure of 29.79 inches of mercury recorded at N Myrtle Beach AP at 1:53 a.m., on September 3. Following the influence of the tropical feature, subsiding air was evident on Friday with Columbia AP reporting a 2:00 p.m. temperature of 97 degrees and a relative humidity value of just 19 percent. Lake Wateree and McCormick both recorded 99-degree high temperatures. Re-enforcing dry air, courtesy of a frontal boundary, arrived late on Friday and extended the rain-free stretch into the holiday weekend. The Clemson Sandhill Experiment Station noted an open pan evaporation water loss of 0.42 inches during the 24-hours ending on Saturday morning. Bright blue skies and light westerly winds were observed for inland South Carolina Saturday with most of the state's afternoon temperatures peaking in the upper 80's. Unseasonably cool temperatures were reported on Sunday morning. Saluda's 56 degrees was their lowest temperature since May 20. The state average temperature for the seven-day period was one degree above normal.

The highest official temperature reported was 100 degrees at Johnston on September 3. The lowest official temperature reported was 48 degrees at Chesnee on September 5. The state average rainfall for the period was 0.0 inches.


                       Weekly   Jan 1   Departure     
                        Total   Total   from Avg
         Greer           0.00   33.21     -1.2
      Anderson           0.00   29.80     -2.6
      Columbia           0.00   28.87     -7.1
    Orangeburg           0.00   33.61     -2.4
 Charlotte, NC           0.00   27.97     -2.1
   Augusta, GA           0.00   23.61     -9.0
      Florence           0.00   31.77     -1.0
N Myrtle Beach           0.00   28.06     -3.4
    Charleston           0.00   45.84      8.1
  Savannah, GA           0.00   30.80     -6.4  


Weekly rainfall totals ending midnight Sunday.  


4-inch depth soil temperature: Columbia 82 degrees, Charleston 82 degrees.


South Carolina river stages were near normal. Ocean water temperatures at the Johnny Mercer Pier, Wrightsville Beach, NC were reported at 83 degrees.

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