WEATHER SUMMARY
Dry, hot weather peaked on Tuesday with several sites reporting 100 degree afternoon temperatures. On Wednesday an early season cool front dropped southward and collided with tropical air already in place. Thunderstorms with heavy rainfall were observed. This was the state's heaviest rainfall event since March 20th. As the boundary lingered into the weekend, coastal counties received additional rains. On Sunday morning, temperatures cooled into the upper 60's but the day ended with rising temperatures and mid-90 degree heat. Statewide temperatures for the period averaged three degrees above normal.
PRECIPITATION AND TEMPERATURE DATA
The maximum observed temperature was 102 degrees at Holly Hill, Orangeburg and Calhoun Falls on July 11. The minimum observed temperature was 58 degrees observed at Walhalla on July 16. The heaviest 24-hour rainfall was reported at Hartsville with 4.03" ending at 7:00 a.m. July 14. Statewide average rainfall for the period was 1.2".
Precipitation Period 2000 Deviation* Temperature Location Total Total From Avg. Maximum Minimum Greer 0.14 18.3 11.1B 99 65 Columbia 0.47 19.8 8.1B 100 67 Florence 2.55 18.3 6.2B 99 67 Charleston 5.06 22.0 5.7B 99 72 N Myrtle Beach 2.36 19.1 6.8B NA NA Augusta, Ga. 0.41 18.1 8.2B 97 63*A=Above, B=Below
Note: Weekly rainfall amounts are for the prior 24-hrs ending 7 am Monday through ending 7 am Sunday.
SOIL
4 inch depth average soil temperature: Columbia 86 degrees.
RIVERS AND SURF
Most South Carolina rivers are below normal. Surf temperatures at Myrtle Beach and Savannah will average around 85 degrees.
sco@water.dnr.state.sc.us http://water.dnr.state.sc.us/climate/sco/weekly/wk071700.html