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South Carolina State Climatology Office
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April 17, 2017 - April 23, 2017


Greenville, York, Beaufort and Georgetown all warmed to a Monday afternoon high temperature of 85 degrees. Late thundershowers brought rainfall amounts of 1.18 inches to the Clemson AP, 1.12 inches to Fountain Inn and 0.42 inches to Clinton. Tuesday's weather was much like Monday's with Charleston and Jamestown reaching 86 degrees. The RAWS automated gage at Clarkes Lake in Aiken County measured 2.83 inches and a heavy thundershower of 1.91 inches soaked Blackville. One-inch diameter hail fell near Pritchardville at 2:10 p.m. during a remote thunderstorm. More clouds on Wednesday lowered high temperatures to a mild 79 degrees at Clarks Hill and the Kingstree AP. A localized shower at Wadmalaw Island left 1.48 inches of rain. Dense fog (zero visibility) was reported at 8:00 a.m. over Shaw AFB on Thursday morning. Barnwell and Cades recorded 88 degrees. Slightly drier air cooled the Friday morning temperature at York to 56 degrees. The Florence Regional AP reached 89 degrees at 2:30 p.m. At 1:53 p.m. on Saturday, the Greenville Downtown AP noted sunny skies, 85 degrees and southwest winds gusting to 35 mph. Scattered showers fell over the Upstate bringing Sassafras Mountain 0.96 inches. On Sunday, a slow-moving cyclonic feature over northern Alabama began drawing areas of heavy rain into South Carolina. Downpours produced flash flooding across the Midlands. At 7:56 p.m., the Anderson AP reported heavy rain and 52 degrees. At the same time and nearly two hundred miles to the south, the Beaufort Marine Corps Air Station noted clear skies and 77 degrees. Intervals of intense rain prevented another day of above-average warming for most of the inland counties. The Greenville-Spartanburg AP high temperature of just 57 degrees was that location's coolest afternoon since March 15 and 26 degrees lower than Saturday's. At midnight, heavy rain was falling at Winnsboro with storms over the Columbia metropolitan area and eastward at McEntire JANG AP.

The highest official temperature reported was 91 degrees at the Marlboro County AP near Bennettsville on April 21 and 22. The lowest official temperature reported was 42 degrees at Sassafras Mountain on April 23. The heaviest official 24-hour rainfall reported was 3.24 inches at the USGS Slicking Mountain near Rocky Bottom in Pickens County on April 23. The state average rainfall for the seven-day period was 1.4 inches. The state average temperature for the seven-day period was eight degrees above the long-term average.


  Weekly Jan 1 Departure
Anderson AP 3.26 14.89 0.5
Greer AP 3.37 18.48 3.6
Charlotte, NC AP 2.45 13.92 0.8
Columbia Metro AP 1.69 16.31 3.4
Orangeburg AP 0.39 10.62 -3.3
Augusta, GA Bush AP 0.04 15.38 1.1
Florence AP 0.08 9.30 -2.2
N Myrtle Beach AP 0.06 7.78 -5.6
Charleston AP 1.31 9.60 -3.0
Savannah, GA AP 0.04 12.21 0.5

Weekly rainfall totals ending midnight Sunday.


4-inch depth soil temperature: Clinton 63 degrees. Columbia 71 degrees. Barnwell 66 degrees. Mullins 67 degrees.


South Carolina river stages were near to below normal. Charleston Harbor Custom House reported a water temperature of 74 degrees. The Fripp Nearshore Buoy Station 41033 reported a water temperature of 73 degrees.

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