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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2017

July 31, 2017 - August 6, 2017

WEATHER SUMMARY:

The July 2017 month-ending state rainfall ranged from 2.18 inches at Ware Shoals to 11.69 inches at Cades.

A cool, dry Canadian air mass dominated the week's weather through Wednesday. Cool mornings and low humidity made for a welcome, albeit short-lived, August beginning. Clear skies and no rain were reported Monday through Wednesday. The low temperature for the beginning of the week was 50 degrees at the Jocassee 8 WNW COOP site. Santuck reached a high temperature of 92 degrees on Tuesday.

High pressure over the eastern U.S. weakened and shifted east late Wednesday, bringing a southwest flow of warm, humid air over the state along a coastal trough. The COOP observer at the Edisto Island Middleton Plantation reported a 24-hour rainfall total of 5.61 inches Thursday morning. The Beaufort Marine Corps Air Station reported a Thursday rainfall total of 1.69 inches. Charleston Air Force Base also reported receiving 1.80 inches Thursday from the same coastal low pressure system. Away from the coast on Thursday, inland counties remained rain-free but very humid under mostly cloudy skies. Light morning rain was reported along the coast and inland to the Midlands on Friday.

A weak, cool frontal boundary passed over the state before stalling over the Midlands on Saturday. This feature triggered a wide swath of scattered afternoon thunderstorms, fueled by high humidity, along the I-20 corridor Saturday and Sunday. The Orangeburg Municipal Airport received 0.95 inches of rain in three hours Sunday evening. Saturday and Sunday had the week's highest temperatures of 95 and 96 degrees, respectively, at the Santuck COOP site.

(Note: The highest and lowest official temperatures and highest precipitation totals provided below are based on observations from the National Weather Service Cooperative Observer network and the National Weather Service's Forecast Offices.)
The highest official temperature reported was 96 degrees at Santuck on August 6.
The lowest official temperature reported was 50 degrees at Jocassee 8 WNW on July 31.
The heaviest official 24-hour rainfall reported was 5.61 inches at the Edisto Island Middleton Plantation ending on August 3.
The state average rainfall for the seven-day period was 0.8 inches.

PRECIPITATION:

  Weekly* Jan 1 Departure
Anderson Airport 0.37 35.39 6.0
Greer Airport 0.28 34.50 5.1
Charlotte, NC Airport 0.67 30.34 5.5
Columbia Metro Airport 0.14 34.97 7.2
Orangeburg Airport 1.56 26.50 -2.6
Augusta, GA Airport 1.16 29.67 2.2
Florence Airport 0.52 28.55 2.2
N Myrtle Beach Airport 0.67 19.80 -9.4
Charleston Air Force Base 2.16 32.43 2.6
Savannah, GA Airport 0.96 37.57 8.5
*Weekly rainfall totals ending midnight Sunday.                    

SOIL TEMPERATURES:

4-inch depth soil temperature: Clinton 75 degrees. Columbia 80 degrees. Barnwell 75 degrees. Mullins 73 degrees.

RIVER STAGES AND COASTAL OCEAN TEMPERATURES:


Most South Carolina river stages were normal. Several Upstate and Midlands river stages were below to much below normal. The Savannah River and tributaries were below normal.
Charleston Harbor water temperature: 84 degrees.
Fripp Nearshore Buoy (Station 41033): 83.5 degrees.

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