Severe weather impacted the state on Monday as a mesoscale convective feature tracked across the Midlands with destructive wind gusts and large hail. Numerous trees were blown down in Edgefield, Saluda, Lexington, McCormick, Calhoun and Sumter counties. The Columbia Metro airport recorded a 60-mph wind gust. 47-mph gusts were observed at both Lake Thurmond and the Columbia Owens Downtown Airport. Baseball-sized hail fell in Johnston and 2-inch hail fell along the Edgefield-Saluda county line.
Southwesterly winds ahead of a slow-moving cold front forced a high temperature of 94 degrees at USC in Columbia on the Thursday, the first day of June 2017. Behind the the front, the NWS COOP site at Jocassee recorded a morning low temperature of 51 degrees. Scattered rainshowers Thurday dropped 1.3 inches of rain on Table Rock. Coastal rainshowers brought 0.12 inches to MCAS Beaufort and 0.38 inches to the Charleston AFB.
Saturday's high temperature at the Wateree Dam was 93 degrees. Late Saturday, an upper level trough triggered numerous Upstate rain showers and thunderstorms. One-inch hail was observed near Welcome with a wind gust estimated to be 60 mph. 0.24 inches of rain fell at the Florence Regional Airport.
A decayed cold frontal boundary and diurnal heating forced another round of Upstate rain and thunderstorms on Sunday. The Greer National Weather Service recorded 0.52 inches of rain. Anderson county reported 0.38 inches of much needed rain. The USGS rain gage near Pageland captured 2.41 inches of rain from a strong thunderstorm cell that passed over Lancaster and Chesterfield counties.
The highest official temperature reported was 95 degrees at Bamberg and Barnwell on May 30.
The lowest official temperature reported was 51 degrees at Jocassee on June 1.
The heaviest official 24-hour rainfall reported was 2.41 inches at the USGS rain gage near Pageland ending on June 4.
The state average rainfall for the seven-day period was 0.4 inches.
The state average temperature for the seven-day period was one degree below the long-term average.
| Weekly | Jan 1 | Departure | |
|---|---|---|---|
| Anderson AP | 0.12 | 21.74 | 2.9 |
| Greer AP | 0.70 | 25.47 | 5.5 |
| Charlotte, NC AP | 1.19 | 21.75 | 4.3 |
| Columbia Metro AP | 0.96 | 24.36 | 7.3 |
| Orangeburg AP | 0.01 | 16.51 | -1.8 |
| Augusta, GA Bush AP | 0.36 | 20.31 | 2.2 |
| Florence AP | 0.40 | 14.95 | -1.0 |
| N Myrtle Beach AP | 0.09 | 13.26 | -4.7 |
| Charleston AP | 0.38 | 15.54 | -1.4 |
| Savannah, GA AP | 0.40 | 24.02 | 7.1 |
Weekly rainfall totals ending midnight Sunday.
4-inch depth soil temperature: Clinton 74 degrees. Columbia 79 degrees. Barnwell 73 degrees. Mullins 75 degrees.
South Carolina river stages were near normal. Charleston Harbor Custom House reported a water temperature of 82 degrees. The Fripp Nearshore Buoy Station 41033 reported a water temperature of 80 degrees.
