A nearly stationary boundary, interacting with the expanding rain shield from Tropical Storm Colin, brought soaking rains for the coastal plain. Rainfall amounts for the event, measured on Tuesday morning, included a Cottageville CoCoRaHS volunteer report of 4.84 inches, 3.54 inches at Walterboro, 2.76 inches at Galivant's Ferry, 2.70 inches at the Beaufort Marine Corps Air Station and 2.41 inches at N Inlet in Georgetown County. The storm's circulation center paralleled the South Carolina coast moving northeast at around 33 mph at a distance of between 50 and 60 miles offshore. Clearing skies quickly followed the feature and Hilton Head Island reached 93 degrees on Tuesday afternoon. Cooler and drier air was drawn into the state on Wednesday morning. Table Rock State Park reported 52 degrees. It was 56 degrees in Laurens and 62 degrees in Hartsville. At 6:00 p.m., the Columbia Metro AP noted 88 degrees with 25 percent relative humidity. Clear, blue skies on Thursday morning accompanied a low temperature of 55 degrees at Whitmire and 61 degrees for Shaw AFB and Lake City. Greenville Downtown AP, Florence Regional AP and Sullivan's Island all shared a Thursday high temperature of 85 degrees. Friday's daylight arrived with 59 degrees for Lancaster and Cheraw. It was 60 degrees in Rock Hill, 61 degrees at Spartanburg, 62 degrees in Greenwood, 63 degrees in Aiken and 64 degrees in Kingstree. Mostly sunny skies moved the afternoon temperature to 94 degrees at Bamberg and Barnwell. At midnight, it was 79 degrees at Columbia's Hamilton-Owens AP, Beaufort and N Myrtle Beach. With the exception of the beaches, Saturday's temperatures climbed into the 90's for most of the state. Greenville and Lugoff recorded 95 degrees while onshore winds at Springmaid Pier only allowed for 81 degrees. Upper ninety-degree heat was observed on Sunday. Clemson AP, Orangeburg AP and Georgetown AP all registered a high temperature of 98 degrees. The Charleston AP set a date record 97 degrees, besting the 96 degrees set in 2011. The 3:15 p.m. temperature of 99 degrees at the Barnwell Regional AP, coupled with a relative humidity value of 50 percent, yielded a heat index of 115 degrees. Mid-afternoon, localized thundershowers were observed near Aiken and over parts of the Lowcountry. The Sandhill Experiment Station's Sunday 24-hour open pan evaporation was a season high 0.39 inches. Weekly rainfalls of less than one-tenth of an inch were measured at Pickens, Chester and Clinton.
The highest official temperature reported was 99 degrees at Columbia Metro AP, Barnwell Regional AP and Bennettsville's Marlboro County AP on June 12. The lowest official temperature reported was 46 degrees at Jocassee 8 WNW on June 9. The heaviest official 24-hour rainfall reported was 3.65 inches at USGS Edgefield on June 6. The state average rainfall for the seven-day period was 0.6 inches. The state average temperature for the seven-day period was two degrees above the long-term average.
| Weekly | Jan 1 | Departure | |
|---|---|---|---|
| Anderson AP | 0.00 | 15.57 | -4.3 |
| Greer AP | 0.12 | 17.91 | -3.0 |
| Charlotte, NC AP | 0.13 | 15.54 | -3.0 |
| Columbia Metro AP | 1.99 | 16.10 | -2.2 |
| Orangeburg AP | 0.05 | 15.87 | -3.7 |
| Augusta, GA Bush AP | 0.41 | 20.80 | 1.4 |
| Florence AP | 0.17 | 22.43 | 5.2 |
| N Myrtle Beach AP | 0.84 | 16.79 | -2.4 |
| Charleston AP | 2.21 | 23.00 | 4.7 |
| Savannah, GA AP | 2.59 | 27.19 | 8.7 |
Weekly rainfall totals ending midnight Sunday.
4-inch depth soil temperature: Clinton 83 degrees. Columbia 83 degrees.
South Carolina river stages were near to below normal. The Charleston Harbor Ravenel Bridge reported a water temperature of 84 degrees. Springmaid Pier at Myrtle Beach reported a surf water temperature of 80 degrees.
