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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2015

August 10 - August 16, 2015

WEATHER SUMMARY:

Monday's early morning cooling of 66 degrees was observed at the summit of Sassafras Mt and at the near sea level location of Conway. Afternoon thunderstorms moved southeastward bringing 1.82 inches of rain to Calhoun Falls, 1.55 inches to Greenwood and 1.28 inches to Newberry. Lake City and Summerville both reached 93 degrees. A frontal boundary approached the state on Tuesday with more storminess. At 6:57 p.m., winds gusted to 56 mph at the Clemson-Oconee AP from a thunderstorm that brought 1.40 inches of rain. Additional rainfall measurements included 1.56 inches at Kingstree and 0.39 inches at Darlington. Overnight, a portion of modified continental air, early for late summer, slowly entered the South Carolina Upstate and northern Midlands. Chesnee and McColl both noted a Wednesday morning minimum temperature of 65 degrees. At 4:55 p.m., instruments at Lancaster's McWhirter Field reported 88 degrees. High pressure, centered over the Ohio Valley, ridged southward on Thursday with a noticeable change to cooler and less humid air further south. Winnsboro recorded a low temperature of 60 degrees. Other below average temperatures included 62 degrees at Rock Hill, 63 degrees at Hartsville, 65 degrees at Union and 66 degrees at Sandhill. The 3:00 p.m. temperature of 91 degrees at Sumter's Shaw AFB and Walterboro was paired with just 31 percent relative humidity. Friday's daybreak temperatures at Hemingway fell to 63 degrees and 64 degrees over at Holly Hill. At 5:00 p.m. on Friday, Columbia Metro AP and Orangeburg AP noted 91 degrees and 32 percent relative humidity. Very localized thundershowers brought Edisto Island 0.63 inches of rain and 0.37 inches to the Kings Mt. National Military Park. On Saturday morning, the thermometer at Barnwell moved to 63 degrees and a fall of 30 degrees from the Friday afternoon 93-degree high temperature. Under mostly sunny skies on Saturday, Greenville, Manning and the Beaufort Marine Corps Air Station all recorded a seasonal high temperature of 90 degrees. At 5:56 p.m. on Sunday, the Greenwood County AP reported calm air, mostly sunny skies and 88 degrees. While Newberry's weekly rains of 2.23 inches improved their top soil conditions, no rain was measured at McColl, Lugoff, Sandhill, Barnwell or Walterboro. The state average temperature for the seven-day period was one degree above the long-term average.

The highest official temperature reported was 95 degrees at Bamberg on August 11 and at the Walterboro AP and Barnwell on August 16. The lowest official temperature reported was 54 degrees at Jocassee 8WNW on August 16. The heaviest official 24-hour rainfall reported was 4.30 inches at Manning ending at 7:00 a.m. on August 12. The state average rainfall for the seven-day period was 0.4 inches.

PRECIPITATION:

  Weekly Jan 1 Departure
Anderson AP 1.48 23.49 -4.0
Greer AP 0.10 24.21 -6.2
Charlotte, NC AP 1.08 19.81 -6.8
Columbia Metro AP 0.00 28.55 -1.0
Orangeburg AP 0.03 25.75 -5.2
Augusta, GA Bush AP 1.73 24.91 -4.0
Florence AP 0.38 25.16 -2.9
N Myrtle Beach AP 0.33 29.46 -1.9
Charleston AP 0.00 32.85 0.9
Savannah, GA AP 0.19 30.35 -0.9

Weekly rainfall totals ending midnight Sunday.

SOIL:

4-inch depth soil temperature: Columbia 86 degrees, Charleston 84.

RIVERS AND SURF:

South Carolina river stages were below normal. Charleston Harbor reported a water temperature of 84 degrees and Springmaid Pier at Myrtle Beach reported a surf water temperature of 85 degrees.

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