118  
CXUS51 KPBZ 011401  
CLMPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
1001 AM EDT SAT JUN 1 2013  
   
...............................  
 
   
..THE PITTSBURGH CLIMATE SUMMARY FOR THE MONTH OF MAY 2013  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2013  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 95 05/03/1887  
05/02/1887  
05/29/1881  
LOW 26 05/07/1970  
05/02/1963  
HIGHEST 87 MM 91 05/27  
LOWEST 31 MM 39 05/17  
AVG. MAXIMUM 73.6 70.8 2.8 78.2  
AVG. MINIMUM 51.4 49.3 2.1 55.7  
MEAN 62.5 60.1 2.4 67.0  
DAYS MAX >= 90 0 0.0 0.0 2  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 1 0.2 0.8 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 6.60 1858  
MINIMUM 0.41 1911  
TOTALS 2.33 3.95 -1.62  
DAILY AVG. 0.08 0.13 -0.05 0.15  
DAYS >= .01 10 13.3 -3.3 9  
DAYS >= .10 5 8.2 -3.2 6  
DAYS >= .50 2 2.8 -0.8 3  
DAYS >= 1.00 0 0.7 -0.7 2  
GREATEST  
24 HR. TOTAL 0.86 05/23 TO 05/23 05/07 TO 05/08  
05/31 TO 05/31  
05/31 TO 05/31  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 3.1 1966  
24 HR TOTAL 3.1 MM  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 57.4 41.4 16.0 36.9  
SNOWDEPTH AVG. 0 MM MM 0  
DAYS >= TRACE 0  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
24 HR TOTAL 0.0 05/31 TO 05/31 0.0  
 
DEGREE_DAYS  
HEATING TOTAL 156 196 -40 64  
SINCE 7/1 5550 5672 -122 4601  
COOLING TOTAL 87 42 45 133  
SINCE 1/1 104 52 52 149    
..............................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 8.2  
HIGHEST WIND SPEED/DIRECTION 26/280 DATE 05/15  
HIGHEST GUST SPEED/DIRECTION 35/280 DATE 05/12  
 
AVERAGE RH (PERCENT) 60  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 4  
LIGHT RAIN 12 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 1  
HAZE 12  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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