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South Carolina State Climatology Office
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April 25, 2016 - May 1, 2016


Dillon cooled to a Monday morning low temperature of 50 degrees, then warmed to an afternoon high temperature of 81 degrees under a full day of sun. Southwest winds on Tuesday sent the mercury to 85 degrees at Anderson, Rock Hill and McCormick. Shade temperatures on Wednesday climbed to 88 degrees at Lake City. Groups of thundershowers formed along the central coast on Thursday, bringing 1.47 inches of rain to the Charleston AP. Ninety-degree heat was observed on Friday at Hilton Head Island (93 degrees) and for Charleston, Orangeburg and Columbia (91 degrees). Storms developed over the Upstate on Saturday. The Anderson AP reported thunderstorms at 3:00 p.m. that resulted in a fifteen-degree temperature fall in one hour. Saturday's onshore surface winds at Springmaid Pier Myrtle Beach held that location's air temperature to between 67 and 69 degrees all day. Calhoun Falls and Johnston both recorded 90 degrees. Small hail and heavy rains were observed on Saturday evening for portions of York and Lancaster counties The USGS automated rain gage at the York County AP "Bedrock" measured 2.62 inches of rain from 6:30 p.m. to 10:30 p.m. South Carolina's April rainfall ranged from 5.37 inches at Cades to 0.99 inches at N Myrtle Beach AP. Overnight rains, measured at 7:00 a.m. on Sunday morning, totaled 2.39 inches at the Greenville-Spartanburg AP. Groups of convective cells continued through Sunday. At 1:30 p.m., the Wildcat Creek streamflow observation below Rock Hill reached a flood stage of 12.42 feet, a rise of over 10 feet since 6:15 p.m. on April 30 and the second spike of over 11 feet in one calendar day. At 6:05 p.m., the NWS recording rain gage at the USC Campus had measured 1.27 inches of rain in just 35 minutes. Winnsboro reported one-inch diameter hail at 6:45 p.m. McCormick only received a trace of rain Sunday and noted 88 degrees for a high temperature.

The highest official temperature reported was 94 degrees at Bamberg and Barnwell on April 29. The lowest official temperature reported was 43 degrees at Jocassee 8WNW April 26. The heaviest official 24-hour rainfall reported was 3.29 inches at Rock Hill 3NW ending at 7:00 a.m. on May 1. The state average rainfall for the seven-day period was 0.7 inches. The state average temperature for the seven-day period was nine degrees above the long-term average.


  Weekly Jan 1 Departure
Anderson AP 0.93 10.40 -4.9
Greer AP 2.48 13.84 -2.0
Charlotte, NC AP 1.21 10.09 -3.8
Columbia Metro AP 0.13 11.44 -2.2
Orangeburg AP 0.21 10.98 -3.5
Augusta, GA Bush AP 0.01 13.02 -1.9
Florence AP 0.61 15.04 2.9
N Myrtle Beach AP 0.79 11.23 -2.9
Charleston AP 1.50 14.12 0.7
Savannah, GA AP 0.00 13.68 0.3

Weekly rainfall totals ending midnight Sunday.


4-inch depth soil temperature: Clinton 71 degrees. Columbia 77 degrees. Charleston NA.


South Carolina river stages were near to above normal. The Charleston Harbor Ravenel Bridge reported a water temperature of 74 degrees. Springmaid Pier at Myrtle Beach reported a surf water temperature of 70 degrees.

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