966  
CXUS52 KGSP 011507  
CLMGSP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
1107 AM EDT THU JUN 01 2023  
   
...............................
 
 
...THE GREENVILLE-SPARTANBURG SC CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1884 TO 2023  
 
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 05/09 MM MM 93 05/19  
LOWEST 41 05/04 MM MM 47 05/10  
AVG. MAXIMUM 76.5 80.3 -3.8 82.5  
AVG. MINIMUM 56.2 57.5 -1.3 59.8  
MEAN 66.4 68.9 -2.5 71.1  
DAYS MAX >= 90 0 2.1 -2.1 2  
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 4.67 4.07 0.60 5.78  
DAILY AVG. 0.15 0.13 0.02 0.19  
DAYS >= .01 11 9.7 1.3 11  
DAYS >= .10 7 6.6 0.4 7  
DAYS >= .50 2 2.7 -0.7 3  
DAYS >= 1.00 1 1.1 -0.1 3  
GREATEST  
24 HR. TOTAL 2.21 05/16 TO 05/16 2.16 05/26 TO 05/27  
STORM TOTAL 2.21 1.99  
(MM/DD(HH)) MM  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL T 2020  
24 HR TOTAL T 05/20/2008 TO 05/20/2008  
05/20/2008 TO 05/07/1992  
SNOW DEPTH MM MM  
TOTALS 0.0 0.0 0.0 0.0  
LIQUID EQUIV 0.00 0.00 0.00 0.00  
SINCE 7/1 T 3.9 -3.9 MM  
LIQUID 7/1 -0.10 0.30 -0.40 MM  
SNOWDEPTH AVG. 0 0  
DAYS >= TRACE 0 0.0 0.0 0  
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 52 39 13 10  
SINCE 7/1 2700 3016 -316 MM  
COOLING TOTAL 102 160 -58 207  
SINCE 1/1 164 212 -48 MM  
 
FREEZE DATES  
RECORD  
EARLIEST MM  
LATEST MM  
EARLIEST 10/18  
LATEST 04/10    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.1  
HIGHEST WIND SPEED/DIRECTION 29/300 DATE 05/16  
HIGHEST GUST SPEED/DIRECTION 45/290 DATE 05/16  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.44  
NUMBER OF DAYS FAIR 13  
NUMBER OF DAYS PC 11  
NUMBER OF DAYS CLOUDY 7  
 
AVERAGE RH (PERCENT) 66  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 4 MIXED PRECIP 0  
HEAVY RAIN 5 RAIN 7  
LIGHT RAIN 16 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 0  
HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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