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South Carolina State Climatology Office
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May 3, 2010 - May 9, 2010


A southwest to northeast axis of heavy rain fell over the highest elevations of the Upstate Monday morning. Anderson measured 1.90 inches of rain. At 10:27 a.m., a brief EF 1 rated tornado occurred in Fairfield County. Although spotty in nature, the slow progression of showers brought areas of welcomed rains to coastal counties on Tuesday. McClellanville and Georgetown received one and a half inches of rain. Dense fog was observed Wednesday morning with 7:00 a.m. visibilities of "zero" at McEntire ANG AP. Beaufort Marine Corps Air Station noted visibilities of one-sixteenth of a mile at 7:00 a.m. on Thursday morning. A few isolated, convective thunderstorms developed over the mountains Thursday evening with 1.75-inch diameter hail falling near Taylors in Greenville County. Sunny, hot weather was observed on Friday and Saturday. Both Columbia airports reported a Friday maximum temperature of 94 degrees. The Sandhill site measured a 24-hour open pan evaporation water loss of 0.61 inches by Saturday morning. Drying west winds gusted to 33 mph at Columbia Metro AP Saturday following a frontal boundary. Much cooler conditions overspread the state on Sunday. Little Mountain recorded a low temperature of 47 degrees. With the exception of Edisto Beach and Bamberg both recording a Sunday high temperature of 80 degrees, the rest of the state enjoyed a mild 70-degree day. The state average temperature for the seven day period was six degrees above normal.

The highest official temperature reported was 95 degrees at the Marlboro County Jetport on May 6, 7, 8 and at Dillon on May 8. The lowest official temperature reported was 43 degrees at Walhalla on May 9. The heaviest 24-hour rainfall reported was 2.35 inches at Walterboro ending at 7:00 a.m. on May 4. The state average rainfall for the period was 0.5 inches.


                          Precipitation                                                                     Weekly   Jan 1   Departure     
                        Total   Total   from Avg
         Greer           0.93   14.96     -3.8
      Anderson           1.79   15.57     -2.6
      Columbia           0.21    9.52     -7.4
    Orangeburg           0.32   11.89     -5.0
 Charlotte, NC           0.23   14.71     -1.2
   Augusta, GA           0.76   12.92     -4.0
      Florence           0.08    9.23     -5.5
N Myrtle Beach           0.44   10.89     -2.9
    Charleston           0.41   14.71     -0.1
  Savannah, GA           1.10   14.75      0.0   

Weekly rainfall totals ending midnight Sunday.  


4-inch depth soil temperature: Columbia 80 degrees, Charleston 78 degrees.


South Carolina river stages were near to below normal. Ocean water temperatures at Springmaid Pier Myrtle Beach were reported at 71 degrees.

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Columbia, SC 29202