604  
CDUS41 KPBZ 160805  
CLIPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
304 AM EST SUN DEC 16 2018  
   
...............................
 
 
   
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 15 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 322 PM 68 1971 39 8 29  
MINIMUM 41 1159 PM -2 1914 25 16 14  
AVERAGE 44 32 12 22  
 
PRECIPITATION (IN)  
YESTERDAY 1.07 1.09 1948 0.08 0.99 T  
MONTH TO DATE 1.82 1.44 0.38 0.68  
SINCE JUN 1 33.07 21.68 11.39 22.35  
SINCE JAN 1 54.61 36.78 17.83 41.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.0 1901 0.2 -0.2 T  
MONTH TO DATE 2.0 3.5 -1.5 6.7  
SINCE OCT 1 5.6 5.9 -0.3 6.7  
SINCE JUL 1 5.6 5.9 -0.3 6.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 33 -12 43  
MONTH TO DATE 466 457 9 477  
SINCE DEC 1 466 457 9 477  
SINCE JUL 1 1738 1620 118 1480  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1138 736 402 864    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 96 1000 PM  
AVERAGE 98  
   
......................................................
 
 
 
THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 1940  
MINIMUM TEMPERATURE (F) 25 -5 1951  
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2018......SUNRISE 738 AM EST SUNSET 455 PM EST  
DECEMBER 17 2018......SUNRISE 738 AM EST SUNSET 456 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
SNOW DEPTH IS MEASURED AT 7 AM EST.  
 

 
 
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