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South Carolina State Climatology Office
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June 22 - June 28, 2015


At noon on Monday, Winnsboro and Hartsville were already at 95 degrees. Clusters of thunderstorms formed during the afternoon hours over the Lowcountry and along the central Savannah River basin. Golf ball-sized hail fell near Monetta in Aiken County and instruments at the Savannah River Site noted winds of 58 mph. Johnston was the state's hot spot at 103 degrees. Thunderstorms over Summerville brought 1.70 inches of rain. Under intense sun, the Rock Hill AP thermometer moved to 99 degrees on Tuesday afternoon. The heat continued for Wednesday. The 2:00 p.m. temperature at Spartanburg, Aiken, Columbia, Conway and Beaufort was 95 degrees. Clinton and Sandhill both reported a Wednesday maximum of 101 degrees while, in contrast, the high temperature on the summit of Sassafras Mountain was an elevation-cooled 84 degrees. Late evening storms along the coastal counties brought heavy rains from Beaufort into Pawley's Island. Flash flooding was observed in Goose Creek and on the Charleston peninsula. Thunderstorm winds gusted to 66 mph at Liberty Hall Plantation and 44 mph at the Georgetown AP. Rainfall measurements taken on Thursday morning included 3.13 inches at Beaufort, 1.80 inches at Edisto Island and 2.30 inches at Georgetown AP. A CoCoRaHS volunteer at Pawley's Island measured 4.15 inches. The mercury at Little Mountain climbed to 99 degrees on Thursday afternoon and the season's highest surf water temperature of 85.6 degrees was recorded at Springmaid Pier Myrtle Beach. Late afternoon storms produced large hail near Rock Hill, Lancaster and over Fairfield County. The Sumter Municipal Airport recorded winds of 48 mph. Friday's Mt. Pleasant Regional AP 2:35 p.m. observation of 93 degrees, combined with an 81-degree dewpoint, yielded a heat index value of a suffering 113 degrees. Shade temperatures in Union reached 100 degrees, 101 degrees in Saluda and 102 degrees in Bennettsville. Scattered thunderstorms drenched the Andrew Pickens Ranger District in Oconee County with 3.59 inches of rain and left Sandy Springs 2.08 inches. Saturday's temperature eased back under increasing cloudiness and thundershowers in advance of a long-awaited boundary of cooler air. Caesars Head reported a Saturday high temperature of 71 degrees and 1.33 inches of rain. Newberry and Charleston shared a Saturday maximum temperature of 91 degrees. On Sunday morning, the Greenville-Spartanburg AP cooled to 64 degrees. The Florence AP Sunday high temperature of 88 degrees was that locations "lowest high" since June 5. The Sandhill Experiment Station 7-day open pan evaporation totaled 3.26 inches. Although Summerville received 5.80 inches of rain during the week, only 0.07 inches fell at Chester. The state average temperature for the seven-day period was five degrees above the long-term average.

The highest official temperature reported was 104 degrees at Longtown on June 26. The lowest official temperature reported was 54 degrees at Sassafras Mt. on June 28. The heaviest official 24-hour rainfall reported was 3.95 inches at Summerville ending at 7:00 a.m. on June 25. The state average rainfall for the seven-day period was 0.7 inches.


  Weekly Jan 1 Departure
Anderson AP 0.01 17.89 -3.9
Greer AP 0.29 21.60 -1.4
Charlotte, NC AP 1.76 17.37 -3.1
Columbia Metro AP 0.69 23.82 2.9
Orangeburg AP 0.62 18.81 -3.6
Augusta, GA Bush AP 0.20 18.72 -3.2
Florence AP 0.64 18.42 -1.3
N Myrtle Beach AP 1.44 23.22 1.5
Charleston AP 1.90 22.86 1.3
Savannah, GA AP 2.24 22.96 1.1

Weekly rainfall totals ending midnight Sunday.


4-inch depth soil temperature: Columbia 82 degrees, Charleston 82 degrees.


South Carolina river stages were below normal. Charleston Harbor reported a water temperature of 85 degrees and Springmaid Pier at Myrtle Beach reported a surf water temperature of 83 degrees.

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