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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2017

January 23, 2017 - January 29, 2017

WEATHER SUMMARY:

At 4:53 a.m. on Monday morning, runway instruments at the Greenville-Spartanburg AP recorded a minimum sea level air pressure of 29.16 inches of mercury (station record minimum 28.73 inches of mercury March 13, 1993, in "heavy snow"). Overnight rainfall amounts measured around 7:00 a.m. on Tuesday included 1.79 inches at Anderson, 1.78 inches at Ninety Nine Islands, 1.76 inches at Fort Mill, 1.48 inches at Sassafras Mountain and 1.46 inches at the Rock Hill AP. The extended period of spring-like temperatures have moved beds of daffodils and yellow jasmine into bloom on the State House grounds. Modified Canadian air was drawn into the Upstate behind the circulation of Tuesday's exiting rains. Wednesday's sunrise saw temperatures fall to 32 degrees at Whitmire and 34 degrees for North and Hartsville. Light west winds and ample sunshine moved the afternoon temperatures back to 75 degrees at Bishopville, Shaw AFB, Sandhill and Barnwell. Thursday's pre-dawn rains, along a distinct and southeastward-moving cold front, left 0.37 inches at Barnwell, 0.32 inches at Clarks Hill, and 0.28 inches at Johnston and Blackville. West winds behind the boundary gusted to 45 mph at the Clemson-Oconee AP and to 41 mph at the Columbia Metro AP. Temperatures on Friday morning fell 41 degrees at Florence AP from a Thursday high of 73 degrees to a freezing 32 degrees. Johnston and Clinton reported a Friday high temperature of just 51 degrees. The Conway AP (KHYW) cooled to 32 degrees at 7:15 a.m. on Saturday morning. At 3:00 p.m., Spartanburg, Aiken and Marion all shared a slightly below average 50 degrees. West winds on Sunday gusted to 38 mph at Columbia Metro AP. Mostly sunny skies slowly filled with clouds as the afternoon progressed. At 1:23 p.m., it was an even 32 degrees atop Sassafras Mountain in Pickens County. Snowshowers were observed before sunset and into the early evening at Caesars Head and Walhalla. The state's warmest location on Sunday was the Beaufort Marine Corps Air Station with 61 degrees.

The highest official temperature reported was 76 degrees at Columbia Metro AP on January 24, and at McEntire ANG AP, Chesterfield and Jamestown on January 25. The lowest official temperature reported was 23 degrees at the Rock Hill AP on January 29. The heaviest official 24-hour rainfall reported was 2.41 inches at Catawba ending at 7:00 a.m. on January 23. The state average rainfall for the seven-day period was 0.3 inches. The state average temperature for the seven-day period was five degrees above the long-term average.

PRECIPITATION:

  Weekly Jan 1 Departure
Anderson AP 0.13 4.24 0.8
Greer AP 0.10 4.52 1.0
Charlotte, NC AP 1.19 5.72 2.5
Columbia Metro AP 0.12 7.04 3.7
Orangeburg AP 0.16 5.24 1.6
Augusta, GA Bush AP 0.32 10.13 6.5
Florence AP 0.35 3.26 0.2
N Myrtle Beach AP 0.11 2.03 -1.4
Charleston AP 0.04 3.78 0.3
Savannah, GA AP 0.07 6.61 3.2

Weekly rainfall totals ending midnight Sunday.

SOIL:

4-inch depth soil temperature: Clinton 47 degrees. Columbia 52 degrees. Barnwell 46 degrees. Mullins 39 degrees.

RIVERS AND SURF:

South Carolina river stages were near to below normal across the Upstate and near to above normal across the Midlands and Lowcountry. Charleston Harbor Custom House reported a water temperature of 56 degrees. Sunset Beach, NC, Nearshore Buoy (NDBC 41024) reported a water temperature of 55 degrees.

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