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South Carolina State Climatology Office
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May 25 - May 31, 2015


Dillon's Memorial Day holiday began on the cool side with a minimum temperature of 54 degrees. Onshore winds along the surf zone at Springmaid Pier at Myrtle Beach only moved the temperature to a high of 77 degrees, while a sunny Clarks Hill warmed to 89 degrees. Early showers on Tuesday brought Jocassee Dam 0.98 inches of rain and a dry Walhalla 0.49 inches. Hartsville and Barnwell recorded a high temperature of 91 degrees before strong thunderstorms rolled into the Upstate and lower Piedmont. At 7:08 p.m., the Anderson County AP recorded southwest winds gusting at 56 mph. Trees were blown down in Anderson, Pickens, Greenville and Saluda counties. Rainfall measurements taken on Wednesday morning included 2.30 inches at Johnston, 1.06 inches in Pickens and 0.98 inches more for Walhalla. A CoCoRaHS volunteer 6.5 miles south-southwest of Trenton reported 4.37 inches of rain. Marion and Winnsboro warmed to a Wednesday high temperature of 88 degrees. Wednesday's thundershowers were concentrated over the eastern counties. Kingstree received 1.46 inches of rain. Mullins measured 1.43 inches and Lake City reported 0.92 inches. The axis of afternoon convection shifted back to the western counties on Thursday. Clinton was soaked during a thunderstorm with 1.98 inches of rain. Intense rains of 1.95 inches fell at Keowee Dam and Union received 1.13 inches. Between 5:30 and 7:00 p.m., flash flooding affected the city of Spartanburg. Mostly sunny weather was observed on Friday. Bishopville and Andrews noted a Friday maximum temperature of 88 degrees. On Saturday morning, Union and the Walterboro AP cooled to 61 degrees. At 4:18 p.m., the Columbia Metro AP reached its Saturday high temperature of 90 degrees. A localized thundershower at McCormick brought 0.89 inches of rain. On Sunday, the last day of May, the high temperature at Darlington, Lugoff and the Summerville AP climbed to an even 90 degrees. Evening thundershowers were scattered from the mountains into the Midlands. The state's May 2015 rainfall ranged from a high of 6.80 inches at N Myrtle Beach to a low of 0.27 inches at Hartsville. The state average temperature for the seven-day period was two degrees above the long-term average.

The highest official temperature reported was 93 degrees at the Marlboro County AP Bennettsville on May 26. The lowest official temperature reported was 52 degrees at Ninety Nine Islands on May 26. The heaviest official 24-hour rainfall reported was 2.50 inches at the Saluda ending at 7:00 a.m. on May 27. The state average rainfall for the seven-day period was 0.3 inches.


  Weekly Jan 1 Departure
Anderson AP 0.83 15.16 -3.2
Greer AP 0.54 18.59 -0.8
Charlotte, NC AP 0.32 14.47 -2.5
Columbia Metro AP 0.00 15.88 0.6
Orangeburg AP 0.36 15.26 -2.4
Augusta, GA Bush AP 0.44 15.63 -1.9
Florence AP 0.20 15.02 0.3
N Myrtle Beach AP 0.00 20.06 2.7
Charleston AP 0.00 15.22 -1.1
Savannah, GA AP 0.06 17.33 1.1

Weekly rainfall totals ending midnight Sunday.


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


South Carolina river stages were below normal. Charleston Harbor reported a water temperature of 81 degrees and Springmaid Pier at Myrtle Beach reported a surf water temperature of 80 degrees.

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