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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2012

April 23 - April 29, 2012

WEATHER SUMMARY:

Cold northwest winds sent the sunrise temperature on Monday morning to 34 degrees at Table Rock. At 3:00 p.m., the Rock Hill AP reported 54 degrees and northwest winds gusting to 28 mph. Scattered frost was observed on Tuesday morning as far south as Gilbert, through Camden, and east into Kingstree. Bennettsville and Lugoff noted a minimum temperature of 34 degrees. The Darlington AP 3:00 p.m. temperature observation of 63 degrees included west winds, steady at 24 mph, gusting to 30 mph. Warmer air began arriving from the south on Wednesday for the Lowcountry. The Beaufort Marine Corps Air Station and Pinopolis recorded an afternoon high temperature of 84 degrees. Stormy weather developed on Thursday across the northern counties bordering North Carolina. At 3:49 p.m., the Cheraw State Park reported hail that had covered the ground. The Kingstree AP reached 90 degrees. Florence measured west winds gusting to 38 mph. Nighttime thunderstorms over Townville in Anderson County produced hailstones of 1.75 inches in diameter along with a heavy rainfall total of 1.90 inches in the city of Anderson. More storms formed on Friday and were concentrated from the Foothills and eastward into the northern Midlands. Parts of Oconee County were pelted with two-inch diameter hail. Most of the convective cells contained nickel to quarter-sized hail. Galivants Ferry received one of the heavier rainfall totals of 1.36 inches. While a sunny Barnwell warmed to 91 degrees on Saturday afternoon, the Rock Hill AP could only reach 65 degrees. The boundary of cool and cloudy conditions eased northward on Sunday and allowed statewide warming. The Sunday high temperature at Clinton, Shaw AFB and Lake City climbed to 86 degrees. The state average temperature for the seven-day period was three degrees above normal.

The highest official temperature reported was 93 degrees at Witherbee on April 28 and at Barnwell on April 29. The lowest official temperature reported was 32 degrees at Caesars Head on April 23. The heaviest official 24-hour rainfall reported was 2.29 inches at Marion ending at 7:00 a.m. on April 28. The state average rainfall for the period was 0.3 inches.

PRECIPITATION:

                                 Precipitation
                           Weekly   Jan 1   Departure     
                            Total    Total    from Avg
         Greer AP            0.36    11.56     -4.0
      Anderson AP            1.07    10.95     -4.2
      Columbia Metro AP      0.12     8.71     -4.7
    Orangeburg AP            0.02     8.96     -5.4
 Charlotte, NC AP            0.12     9.14     -4.6
   Augusta, GA Bush AP       0.00     6.25     -8.5
      Florence AP            0.87    10.95     -1.1
N Myrtle Beach AP            0.08     8.46     -5.4
    Charleston AP            0.00     9.74     -3.5
  Savannah, GA AP            0.00     9.13     -4.1
                                                                                     
Weekly rainfall totals ending midnight Sunday.  

SOIL:

4-inch depth soil temperature: Columbia 74 degrees, Charleston 77 degrees.

RIVERS AND SURF:

South Carolina river stages were below normal. Ocean water temperatures at nearby Johnny Mercer Pier in Wrightsville Beach, NC were reported at 71 degrees.

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Columbia, SC 29202