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South Carolina State Climatology Office
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April 26, 2010 - May 2, 2010


At 5:00 p.m. on Monday, the N Myrtle Beach AP recorded a minimum barometric pressure value of 29.33 inches of mercury. On the same day, drying west winds peaked at 38 mph at the Florence AP. The north Midlands experienced stormy weather Tuesday within the rotation around an upper level feature located over Tennessee. Many of the brief cells included episodes of hail. The Wilmington National Weather Service storm survey team concluded that a "microburst", with winds estimated at 95 mph, caused property damage five miles west-southwest of Bennettsville. Catawba received 0.53 inches of rain. Much colder air spread southward into the state for Wednesday and Thursday. Early morning temperatures fell into the lower 40's. Hartsville and Loris both recorded 39 degrees on Thursday morning. Mostly sunny, mild weather started the weekend. The month of April ended with a precipitation range of 5.77 inches total at Jocassee to just 0.70 inches at the Charleston AP. On Saturday, Barnwell and the Marlboro County Jetport reported 90 degrees. Early season hot weather was observed Sunday afternoon for much of inland South Carolina. Florence set a date record 93 degrees. By Sunday night, areas of rain were entering the mountainous northwest counties. The state average temperature for the seven day period was near normal.

The highest official temperature reported was 94 degrees at Dillon and the Columbia Metro AP on May 2. The lowest official temperature reported was 34 degrees at Chesnee on April 28 and at Chesnee and Pelion on April 29. The heaviest 24-hour rainfall reported was 0.80 inches at Lake Marion ending at 7:00 a.m. on April 28. The state average rainfall for the period was 0.1 inches.


                            Precipitation                                                      Weekly   Jan 1   Departure     
                        Total   Total   from Avg
         Greer           0.03   14.03     -3.7
      Anderson           0.05   13.78     -3.5
      Columbia           0.01    9.31     -6.9
    Orangeburg           0.04   11.57     -4.6
 Charlotte, NC           0.31   14.48     -0.6
   Augusta, GA           0.00   12.16     -4.2
      Florence           0.03    9.15     -4.9
N Myrtle Beach           0.15   10.45     -2.8
    Charleston           0.00   14.30      0.2
  Savannah, GA           0.00   13.65     -0.4   


Weekly rainfall totals ending midnight Sunday.  


4-inch depth soil temperature: Columbia 74 degrees, Charleston 76 degrees.


South Carolina river stages were near to below normal. Ocean water temperatures at Springmaid Pier Myrtle Beach were reported at 72 degrees.

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Columbia, SC 29202