On Monday afternoon, the high temperature reached 82 degrees in Columbia and at Hilton Head Island. A boundary of modified Canadian air moved into the Upstate on Tuesday, temporarily bringing the temperature back to seasonal values. Greenville, Aiken, Lake City and Moncks Corner all reported a Tuesday maximum temperature of 73 degrees. The Rock Hill AP and Cedar Creek cooled to 38 degrees on Wednesday morning. At 10:00 a.m., the Newberry County AP noted a barometric pressure observation of 30.43 inches of mercury. Summerville's Wednesday morning low of 46 degrees rose to an afternoon high of 79 degrees. Pre-frontal cloudiness on Thursday included very isolated, light showers for parts of the Piedmont. The Union CoCoRaHS volunteer observer measured 0.12 inches. Temperatures of 80 degrees were reported at Greenwood, Shaw AFB and Florence. The Lowcountry's abundance of stagnant water, left by Hurricane Matthew, and the stretch of warm days that followed, has drawn much discomfort from what has been described as a plague of mosquitoes. On Friday afternoon at 4:00 p.m., the Anderson AP noted sunny skies, 83 degrees and 27 percent relative humidity. Sunny, dry conditions continued over the weekend. Greenville Downtown AP and Columbia Metro AP both warmed to 84 degrees on Saturday, over 10 degrees above the date's average. Almost 11 hours of available sunshine on Sunday sent the temperature to 86 degrees at McCormick, Florence and Jamestown. With few exceptions, no rain has fallen over South Carolina since the departure of "Matthew" on October 9.
The highest official temperature reported was 88 degrees at Barnwell on October 28 and at Barnwell, Clemson-Oconee AP and Bennettsville on October 30. The lowest official temperature reported was 34 degrees at Jocassee 8WNW on October 27. The heaviest official 24-hour rainfall reported was 0.03 inches at Sassafras Mt. ending at 7:00 a.m. on October 28. The state average rainfall for the seven-day period was 0.0 inches. The state average temperature for the seven-day period was five degrees above the long-term average.
| Weekly | Jan 1 | Departure | |
|---|---|---|---|
| Anderson AP | 0.00 | 21.13 | -15.3 |
| Greer AP | 0.00 | 29.66 | -9.6 |
| Charlotte, NC AP | 0.00 | 29.76 | -5.4 |
| Columbia Metro AP | 0.00 | 34.19 | -4.4 |
| Orangeburg AP | 0.00 | 39.25 | -1.2 |
| Augusta, GA Bush AP | 0.00 | 33.24 | -4.0 |
| Florence AP | 0.00 | 55.46 | 18.3 |
| N Myrtle Beach AP | 0.00 | 53.41 | 8.0 |
| Charleston AP | 0.00 | 54.74 | 9.3 |
| Savannah, GA AP | 0.00 | 50.96 | 8.4 |
Weekly rainfall totals ending midnight Sunday.
4-inch depth soil temperature: Clinton 67 degrees. Columbia 71 degrees. Barnwell 63 degrees. Mullins 71 degrees.
South Carolina river stages were above normal or in flood (Pee Dee/N Coast) and much below normal (Upstate). Charleston Harbor reported a water temperature of 73 degrees. Sunset Beach, NC Nearshore Buoy (NDBC 41024) reported a water temperature of 71 degrees.
