SOUTH CAROLINA WEATHER AND CLIMATE

May 17-23, 1999

WEATHER SUMMARY

The work week was a mix of 50 degree mornings and 80 degree afternoons. A few scattered showers were reported early Tuesday. On Saturday, late day thunderstorms produced hail in Lexington and Richland County. Sunny, breezy conditions occurred on Sunday with additional scattered thunderstorms ahead of a weak cold front. High winds were responsible for downed trees in Aiken County. With only scattered rains, rising temperatures and daily evaporation rates averaging near three tenths of an inch, dry soils have once again become a concern for growers. Statewide temperatures for the period averaged one degree below normal.

PRECIPITATION AND TEMPERATURE DATA

The maximum observed temperature was 93 degrees on May 23 at Williams. The minimum observed temperature was 47 degrees in Cedar Creek on the morning of May 21. The heaviest official 24-hour rainfall was recorded at St. George with 0.48" on May 23. Statewide rainfall for the period averaged 0.2 inches.

                Precipitation
               Period     1999    Deviation*     Temperature
Location       Total      Total   From Avg.    Maximum  Minimum   
Greer          0.12       14.2      6.8B         87        53
Charlotte, NC  0.82       12.7      4.7B         85        49
Columbia       0.26       13.6      5.6B         89        53            
Florence FAA   0.67       19.4      3.3A         89        53   
Blackville     0.65       17.7      1.3B         88        50
Augusta, GA    0.11       14.1      5.0B         90        52
Beaufort       0.05       12.6      4.2B         87        61 
Charleston     0.01       15.7      0.7B         87        57
Myrtle Beach   0.05       17.0      0.6B         83        54
*A=Above, B=Below

Note: Weekly rainfall amounts are for the prior 24-hrs ending 7 am Monday through ending 7 am Sunday

ENERGY DEMAND AND AGRICULTURAL ADVISORY

               Degree Days      
                 Actual  
                May 1-23
           Cooling   Heating              
Columbia     108       14
Charleston   123       20
Greenville    65       19          
The Columbia Airport reports an average 4-inch depth soil temperature of 75 degrees.

RIVERS AND SURF

Most river stages are near normal. Surf temperatures at Myrtle Beach and Savannah will average around 74 degrees.


sco@water.dnr.state.sc.us
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