Sunny skies and dry conditions dominated the work-week. Temperatures in the 40's were common across the state Monday morning. Following a cool morning temperature of 36 degrees, Ninety-Nine Islands only warmed to an afternoon high of 68 degrees.
It was a cool start again on Tuesday morning before a marked warming trend started. Clinton reported 43 degrees and Dillon 44 degrees.
Light winds and all-day sunshine sent the state's Wednesday afternoon temperatures to their highest readings since September 24, 2016. Columbia AP, Bamberg, Barnwell and Orangeburg recorded afternoon highs of 93 degrees.
Summer-like heat continued on Thursday. Georgetown's 92 degrees was more like a late June reading.
Low pressure slowly pushed through the state late Friday through Sunday bringing cooler temperatures, areas of heavy rain, and isolated reports of hail. York's temperature peaked at 66 degrees on Friday while Aiken reached 90 degrees. Overcast skies and rain kept tempertures in the 70's on Saturday. There were public reports of nickel to dime-sized hail in Orangeburg on Saturday afternoon and a funnel cloud siting reported near The Citadel in Charleston.
Sunday morning rainfall measurements from CoCoRaHS observers included 0.89 inches of rain in Aiken and 2.35 inches in Reevesville. At 3:00 p.m. Sunday, Clemson, Camden and Beaufort were sunny and 81 degrees.
The highest official temperature reported was 94 degrees at Beaufort on May 10.
The lowest official temperature reported was 35 degrees at Jocassee on May 8.
The heaviest official 24-hour rainfall reported was 2.91 inches ending at 7:00 a.m. at Jocassee on May 14.
The state average rainfall for the seven-day period was 0.6 inches.
The state average temperature for the seven-day period was one degree above the long-term average.
| Weekly | Jan 1 | Departure | |
|---|---|---|---|
| Anderson AP | 0.88 | 17.44 | 0.8 |
| Greer AP | 0.51 | 21.76 | 4.4 |
| Charlotte, NC AP | 0.08 | 16.63 | 1.5 |
| Columbia Metro AP | 0.10 | 18.18 | 3.4 |
| Orangeburg AP | 0 | 15.14 | -0.4 |
| Augusta, GA Bush AP | 0.51 | 17.37 | 1.5 |
| Florence AP | 1.05 | 12.58 | -0.8 |
| N Myrtle Beach AP | 0.42 | 10.07 | -5.3 |
| Charleston AP | 0.65 | 13.36 | -1.2 |
| Savannah, GA AP | 1.44 | 14.89 | 0.4 |
Weekly rainfall totals ending midnight Sunday.
4-inch depth soil temperature: Clinton 66 degrees. Columbia 71 degrees. Barnwell 65 degrees. Mullins 60 degrees.
South Carolina river stages were near normal to below normal. Charleston Harbor Custom House reported a water temperature of 76 degrees. The Fripp Nearshore Buoy Station 41033 reported a water temperature of 74 degrees.
