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South Carolina State Climatology Office
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September 14 - September 20, 2015


Monday began unseasonably cool as building continental-sourced high pressure parked along the Atlantic seaboard. The SCDNR Walhalla Fish Hatchery, located in Oconee County (elevation 2,500 feet) where the Indian Camp Branch joins the East Fork of the Chattooga River, reported a cold 37 degrees. It was 44 degrees in Union and 47 degrees in Lugoff. The 57 degrees observed at Edisto Island was their lowest temperature since May 4. Both Sandhill and the Beaufort Marine Corps Air Station warmed to 82 degrees on Monday afternoon. At 10:35 a.m. on Tuesday, instruments at the Newberry County AP noted a crest of barometric pressure at 30.41 inches of mercury. Rock Hill and Clarks Hill reached 84 degrees on Tuesday afternoon. Overcast skies on Wednesday were the result of a weak area of showers trying to advance northward from Florida. A few sprinkles were reported near the southern beaches with one lone heavy shower near Bulls Bay between Charleston and Georgetown. At 2:00 p.m., Folly Island reported 77 degrees and northeast winds steady at 19 knots. Cedar Creek cooled to 52 degrees on Thursday morning before climbing to 85 degrees and the start of a statewide warming trend though the weekend. The Hartsville AP made it 90 degrees on Friday. Saluda's Saturday morning low temperature of 59 degrees also made it to an afternoon high of 90 degrees. Beneath a sky of cumulus "floating cotton" clouds, both Orangeburg and Bishopville recorded a Saturday high temperature of 92 degrees. At 3:58 p.m. on Sunday, Shaw AFB in Sumter reported mostly sunny skies, variable winds, 93 degrees with 28 percent relative humidity. The seven-day stretch though this Sunday midnight was the driest weather since the week ending Sunday October 26, 2014. The state average temperature for the seven-day period was near the long-term average.

The highest official temperature reported was 95 degrees at the Marlboro County AP near Bennettsville and Barnwell on September 20. The lowest official temperature reported was 37 degrees at Jocassee 8WNW (Walhalla Hatchery) on September 14. The heaviest official 24-hour rainfall reported was 1.07 inches at McClellanville ending at 7:00 a.m. on September 17. The state average rainfall for the seven-day period was 0.0 inches.


  Weekly Jan 1 Departure
Anderson AP 0.00 25.97 -6.2
Greer AP 0.00 28.33 -6.5
Charlotte, NC AP 0.00 23.60 -7.1
Columbia Metro AP 0.00 33.52 -0.8
Orangeburg AP 0.00 28.46 -7.4
Augusta, GA Bush AP 0.00 27.31 -5.7
Florence AP 0.00 28.67 -4.3
N Myrtle Beach AP 0.06 36.73 -3.1
Charleston AP 0.00 42.93 2.9
Savannah, GA AP 0.05 37.51 -0.1

Weekly rainfall totals ending midnight Sunday.


4-inch depth soil temperature: Columbia 81 degrees, Charleston 81 degrees.


South Carolina river stages were below normal. Charleston Harbor reported a water temperature of 79 degrees and Springmaid Pier at Myrtle Beach reported a surf water temperature of 79 degrees.

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Columbia, SC 29202