A late season frost was observed early Monday morning across rural sites over the western half of South Carolina. Cloudy weather and a few light showers were reported Tuesday morning south of the midlands but by afternoon sunny, warmer conditions returned. Dry days continued through the work week with afternoon temperatures peaking on Thursday and Friday in the upper 80's and low 90's. Saturday saw a sharp cold front drop southward into the state and initiate mid-afternoon thunderstorms with large hail. Aiken County reported near baseball size hail of 2.75 inches in diameter. Rainfall was isolated at best with only a couple of observation sites measuring more than a quarter of an inch. Brisk easterly winds on Sunday held afternoon high temperatures in the 70's. Statewide temperatures for the week averaged three degrees above normal.
PRECIPITATION AND TEMPERATURE DATA
The maximum observed temperature was 92 degrees on April 22 at Hartsville and April 23 at Blackville. The minimum observed temperature was 26 degrees at Cedar Creek on the morning of April 19. The heaviest 24-hour rainfall was 1.25 inches at Blackville ending at 7:00 a.m. on April 25. Statewide rainfall for the period averaged 0.1 inches.
Precipitation Period 1999 Deviation* Temperature Location Total Total From Avg. Maximum Minimum Greer 0.01 10.5 6.6B 86 37 Charlotte, NC 0.00 8.7 5.7B 85 33 Columbia 0.01 9.6 6.6B 88 37 Florence FAA 0.06 13.2 0.1A 88 41 Blackville 1.25 12.5 3.1B 92 34 Augusta, GA 0.03 11.6 4.1B 91 35 Beaufort 0.14 8.4 5.1B 89 47 Charleston AP 0.55 10.9 2.5B 88 41 Myrtle Beach 0.00 11.3 3.3B 80 44*A=Above, B=Below, E=Estimate
Note: Weekly rainfall amounts are for the prior 24-hrs ending 7:00 a.m. Monday through ending 7:00 a.m. Sunday
ENERGY DEMAND AND AGRICULTURAL ADVISORY
Degree Days Actual April 1-25 Cooling Heating Columbia 125 50 Charleston 135 34 Greenville 70 86The National Weather Service located at Columbia Metropolitan Airport reports an average 4-inch depth soil temperature of 74 degrees.
RIVERS AND SURF
Rivers are below normal. Surf temperatures at Myrtle Beach and Savannah will average around 67 degrees.