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South Carolina State Climatology Office
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May 24, 2010 - May 30, 2010


Surface winds shifted to an onshore direction early in the week with the accompanying weather changing to a more tropical–like pattern. Scattered showers formed near the coast and drifted inland on Monday. Hardeeville received rains totaling 1.89 inches. On Wednesday morning, an area of low pressure was located 210 miles southeast of Charleston and forcing showers along the coastal beaches. Fort Moultrie reported a rainfall event of 0.83 inches and nearby McClellanville measured 0.73 inches. Lingering clouds and light rain were observed Thursday for the Pee Dee and north coast. Conway only warmed to 59 degrees while a sunny Clemson AP recorded a high temperature of 94 degrees. Hot and humid conditions started the Memorial Day weekend. Afternoon thunderstorms developed during the peak heating and produced intense rains of 1.93 inches at Hartsville. Saluda experienced a hot Friday afternoon with 96 degrees. Near equal parts of sunshine and clouds described Saturday's weather before more clusters of thunderstorms rolled through parts of the Midlands and eastern counties. Mullins reported localized flooding from heavy rains. A few locations noted dense fog early Sunday morning. Between 2:00 and 4:00 PM on Sunday, the Greer AP recorded 1.66 inches of rain during a thunderstorm. Numerous showers continued drifting from the south to north as the week ended. The state average temperature for the seven-day period was three degrees above normal.

The highest official temperature reported was 97 degrees at Johnston on May 28. The lowest official temperature reported was 58 degrees at Caesars Head on May 25 and May 29. The heaviest official 24-hour rainfall reported was 3.97 inches at Mullins ending at 7:00 a.m. on May 30. The state average rainfall for the period was 0.9 inches.


                      Precipitation                                                            Weekly   Jan 1   Departure     
                        Total   Total   from Avg
         Greer           2.35   18.23     -3.7
      Anderson           1.53   18.40     -2.4
      Columbia           0.11   10.70     -8.4
    Orangeburg           0.07   12.60     -6.5
 Charlotte, NC           1.13   17.16     -1.3
   Augusta, GA           0.10   13.26     -5.6
      Florence           0.96   11.47     -5.6
N Myrtle Beach           0.23   13.01     -2.9
    Charleston           1.51   17.97      0.5
  Savannah, GA           0.95   17.13     -0.2   

Weekly rainfall totals ending midnight Sunday.  


4-inch depth soil temperature: Columbia 79 degrees, Charleston 82 degrees.


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

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Columbia, SC 29202