765  
CXUS52 KGSP 011413  
CLMGSP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
1013 AM EDT SUN JUN 01 2025  
   
...............................
 
 
...THE GREENVILLE-SPARTANBURG SC CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1884 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 100 05/28/1916  
LOW 27 05/03/1885  
HIGHEST 87 05/16 MM MM 89 05/08  
05/26  
LOWEST 47 05/05 MM MM 49 05/11  
AVG. MAXIMUM 77.9 80.3 -2.4 81.4  
AVG. MINIMUM 58.1 57.5 0.6 60.4  
MEAN 68.0 68.9 -0.9 70.9  
DAYS MAX >= 90 0 2.1 -2.1 0  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 12.81 1910  
MINIMUM 0.15 1936  
TOTALS 6.77 4.07 2.70 5.26  
DAILY AVG. 0.22 0.13 0.09 0.17  
DAYS >= .01 19 9.7 9.3 16  
DAYS >= .10 13 6.6 6.4 11  
DAYS >= .50 6 2.7 3.3 3  
DAYS >= 1.00 1 1.1 -0.1 1  
GREATEST  
24 HR. TOTAL 1.60 05/12 TO 05/12 2.05 05/08 TO 05/09  
STORM TOTAL 1.60 1.83  
(MM/DD(HH)) MM  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL T 2024  
24 HR TOTAL T 05/20/2008 TO 05/20/2008  
05/20/2008 TO 05/07/1992  
SNOW DEPTH MM MM  
TOTALS TR 0.0 0.0 T  
LIQUID EQUIV T 0.00 0.00 T  
SINCE 7/1 1.1 3.9 -2.8 MM  
LIQUID 7/1 0.11 0.30 -0.19 MM  
SNOWDEPTH AVG. 0 0  
DAYS >= TRACE 1 0.0 1.0 1  
DAYS >= 1.0 0 0.0 0.0 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 32 39 -7 6  
SINCE 7/1 2704 3016 -312 MM  
COOLING TOTAL 133 160 -27 198  
SINCE 1/1 236 212 24 MM  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST 11/22  
LATEST 03/19    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 6.5  
HIGHEST WIND SPEED/DIRECTION 26/260 DATE 05/22  
HIGHEST GUST SPEED/DIRECTION 39/270 DATE 05/22  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.45  
NUMBER OF DAYS FAIR 15  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 7  
 
AVERAGE RH (PERCENT) 67  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 10 MIXED PRECIP 0  
HEAVY RAIN 7 RAIN 10  
LIGHT RAIN 21 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 1  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 11 FOG W/VIS <= 1/4 MILE 0  
HAZE 5  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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