794  
CXUS52 KGSP 011249  
CLMGSP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
749 AM EST WED JAN 01 2025  
   
...............................  
 
...THE GREENVILLE-SPARTANBURG SC CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1884 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 79 12/11/2007  
12/10/2007  
LOW 3 12/30/1917  
HIGHEST 73 12/18 MM MM 70 12/03  
LOWEST 20 12/04 MM MM 22 12/20  
AVG. MAXIMUM 55.5 54.9 0.6 58.1  
AVG. MINIMUM 33.7 34.8 -1.1 35.0  
MEAN 44.6 44.8 -0.2 46.5  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 14 13.6 0.4 14  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 12.56 1931  
MINIMUM 0.37 1965  
TOTALS 5.18 4.58 0.60 4.93  
DAILY AVG. 0.17 0.15 0.02 0.16  
DAYS >= .01 9 10.0 -1.0 9  
DAYS >= .10 6 6.6 -0.6 7  
DAYS >= .50 5 3.3 1.7 4  
DAYS >= 1.00 1 1.6 -0.6 1  
GREATEST  
24 HR. TOTAL 2.63 12/10 TO 12/11 2.45 12/25 TO 12/26  
STORM TOTAL 2.39 1.99  
(MM/DD(HH)) MM  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 14.4 1930  
24 HR TOTAL 12.0 12/17/1930 TO 12/17/1930  
SNOW DEPTH 10 12/04/1971  
TOTALS 0.0 0.6 -0.6 0.0  
LIQUID EQUIV 0.00 0.00 0.00 0.00  
SINCE 7/1 0.0 0.7 -0.7 MM  
LIQUID 7/1 0.00 0.00 0.00 MM  
SNOWDEPTH AVG. 0 0  
DAYS >= TRACE 0 0.4 -0.4 0  
DAYS >= 1.0 0 0.2 -0.2 0  
GREATEST  
SNOW DEPTH 0 0 MM  
24 HR TOTAL MM MM  
STORM TOTAL 0.0 0.0  
(MM/DD(HH)) MM  
 
DEGREE DAYS  
HEATING TOTAL 627 626 1 565  
SINCE 7/1 1020 1192 -172 MM  
COOLING TOTAL 0 1 -1 0  
SINCE 1/1 1929 1720 209 MM  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST 11/22  
LATEST 03/19    
............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 6.0  
HIGHEST WIND SPEED/DIRECTION 30/240 DATE 12/31  
HIGHEST GUST SPEED/DIRECTION 45/230 DATE 12/29  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.34  
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 8  
NUMBER OF DAYS CLOUDY 6  
 
AVERAGE RH (PERCENT) 66  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 2 RAIN 6  
LIGHT RAIN 11 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 14 FOG W/VIS <= 1/4 MILE 6  
HAZE 3  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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