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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2010

June 21, 2010 - June 27, 2010

WEATHER SUMMARY:

On Monday and Tuesday, the coastal sites reported hot, steamy conditions during the morning hours before the sea-breeze phenomena raised wind speeds and forced cooler air to the immediate beaches. At 9:00 a.m. on Monday, Hilton Head instruments indicated an air temperature of 82 degrees over a dewpoint temperature of 82 degrees, yielding 100 percent relative humidity. The Charleston City peninsula measured 1.55 inches of rain on Monday. Onshore winds on Tuesday limited maximum temperatures at Springmaid Pier to 86 degrees and at North Inlet and Ft. Johnson to 88 degrees. Clinton reached 100 degrees on Wednesday. At 5:00 p.m. on Thursday, both the Rock Hill AP and Columbia Metro AP noted relative humidity values of 33 percent versus 84 percent at Hilton Head. The Darlington AP and the Marlboro County Jetport baked under a reading of 102 degrees on Thursday afternoon. Between Wednesday morning and Friday morning, the Sandhill site measured a 48-hour open pan evaporation water loss of 0.93 inches. Only a handful of thunderstorms developed on Thursday. Strong storms affected the Anderson area Friday afternoon. Sandy Springs received 1.46 inches of rain. The Clemson AP recorded a Friday 99 degree high temperature. Early afternoon storms were observed Saturday and Sunday. Most locations missed the downpours which for some brought a welcomed interruption to the heat and rising number of drying acres. Sunday evening storms at Shaw AFB in Sumter produced winds gusting to 59 mph and 2.51 inches of rain that caused localized flooding. Chester measured 1.90 inches of needed rain. The state average temperature for the seven-day period was six degrees above normal.

The highest official temperature reported was 104 degrees at Johnston on June 25. The lowest official temperature reported was 63 degrees at Long Creek on June 21. The heaviest official 24-hour rainfall reported was 2.51 inches at Shaw AFB on June 27. The state average rainfall for the period was 0.5 inches.

PRECIPITATION:

               
                             
                           Precipitation 
                       Weekly   Jan 1   Departure     
                        Total   Total   from Avg
         Greer           0.22   21.58     -4.0
      Anderson           0.07   20.10     -3.9
      Columbia           0.50   14.24     -9.5
    Orangeburg           0.00   17.07     -6.6
 Charlotte, NC           0.00   20.65     -1.0
   Augusta, GA           1.16   15.08     -7.9
      Florence           1.21   21.26      0.3
N Myrtle Beach           0.30   14.15     -5.2
    Charleston           0.88   24.75      1.8
  Savannah, GA           2.28   23.00      0.6   
  
                     

Weekly rainfall totals ending midnight Sunday.  

SOIL:

4-inch depth soil temperature: Columbia 85 degrees, Charleston 87 degrees.

RIVERS AND SURF:

South Carolina river stages were near to below normal. Ocean water temperatures at Springmaid Pier Myrtle Beach were reported at 80 degrees.

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