Jamestown warmed to a summer-like 94 degrees on Monday afternoon. A bank of drier, cooler air advanced southward on Tuesday against the warmth. A mostly cloudy Kingstree only made it to 79 degrees. The Walhalla Fish Hatchery (elev. 2500 feet) cooled to 52 degrees on Wednesday morning. About 3:00 p.m., storms developed over Oconee, Greenville, Spartanburg and Lancaster counties that included hail. The Jones Gap State Park reported 1.25-inch diameter hail at 3:10 p.m. A CoCoRaHS volunteer observer near Slater-Marietta measured 1.93 inches of rain. At 1:00 p.m. on Thursday, Clemson, Shaw AFB and Walterboro had all reached 88 degrees. Shaw AFB reported 50-mph winds and 0.75-inch hail at 2:36 p.m. Towering thunderclouds (65,000 feet) over Chesterfield County dropped one-inch hailstones. The USGS automated rain gage near Bishopville measured 0.41 inches of rain in just five minutes. Anderson's 4:00 p.m. temperature of 88 degrees fell 21 degrees following a storm that included surface winds reaching 59 mph. Thursday's high temperatures climbed to 93 degrees at Bamberg and Columbia Metro AP. Rainfall measurements taken on Friday morning included 1.42 inches at Florence AP, 1.38 inches at McBee, 1.29 inches at Shaw AFB and 1.13 inches at Chesterfield. On Friday, slow clearing was observed from west to east. Leftover storms near the coast brought small hail to Kiawah Island and winds of 45 mph to Fort Sumter. A CoCoRaHS observer near Pawley's Island reported heavy rains totaling 2.18 inches. Johnston and Summerville reached a Friday high temperature of 88 degrees. Falling temperatures arrived Saturday for the Upstate with Walhalla, Fountain Inn and Chesnee reporting a sunrise 48 degrees. At 3:00 p.m., Orangeburg noted west winds gusting to 28 mph. Hilton Head Island was the state's warmest location at 90 degrees. Sunday's minimum temperatures fell to 47 degrees at Little Mountain and Newberry and 50 degrees at Cedar Creek and Hartsville. At 4:00 p.m., Anderson, Sumter, Florence and N Myrtle Beach all reported a sunny 72 degrees.
The highest official temperature reported was 95 degrees at Orangeburg 2 on May 11. The lowest official temperature reported was 37 degrees at Sassafras Mt. on May 15. The heaviest official 24-hour rainfall reported was 3.45 inches at the USGS Lynches River gage near Bishopville ending at 4:20 EDT on May 13. The state average rainfall for the seven-day period was 0.3 inches. The state average temperature for the seven-day period was four degrees above the long-term average.
| Weekly | Jan 1 | Departure | |
|---|---|---|---|
| Anderson AP | 1.01 | 11.50 | -5.2 |
| Greer AP | 0.10 | 14.16 | -3.3 |
| Charlotte, NC AP | 0.18 | 11.97 | -3.3 |
| Columbia Metro AP | 0.07 | 12.35 | -2.6 |
| Orangeburg AP | 0.16 | 11.25 | -4.4 |
| Augusta, GA Bush AP | 0.01 | 14.19 | -1.8 |
| Florence AP | 1.42 | 17.44 | 4.0 |
| N Myrtle Beach AP | 1.39 | 14.34 | -1.2 |
| Charleston AP | 0.05 | 14.61 | 0.0 |
| Savannah, GA AP | 0.00 | 14.81 | 0.3 |
Weekly rainfall totals ending midnight Sunday.
4-inch depth soil temperature: Clinton 73 degrees. Columbia 76 degrees. Charleston NA.
South Carolina river stages were near normal. The Charleston Harbor Ravenel Bridge reported a water temperature of 76 degrees. Springmaid Pier at Myrtle Beach reported a surf water temperature of 71 degrees.
