049  
CDUS41 KPBZ 171321  
CLIPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
821 AM EST SUN DEC 17 2017  
   
...............................
 
 
   
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 17 2017
 
 
VALID AS OF 0800 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 38 440 AM 64 1984  
1924  
MINIMUM 36 628 AM -6 1989 25 11 23  
 
PRECIPITATION (IN)  
TODAY 0.00 2.35 1890 0.08 -0.08 0.84  
MONTH TO DATE 0.69 1.61 -0.92 2.27  
SINCE JUN 1 22.36 21.85 0.51 20.23  
SINCE JAN 1 41.07 36.95 4.12 33.85  
 
SNOWFALL (IN)  
TODAY 0.0 22.0 1890 0.3 -0.3 T  
MONTH TO DATE 6.9 4.1 2.8 5.1  
SINCE OCT 1 6.9 6.5 0.4 7.2  
SINCE JUL 1 6.9 6.5 0.4 7.2  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 28  
 
COOLING  
TODAY 0    
..............................................................
 
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 800 AM  
   
......................................................
 
 
 
THE PITTSBURGH PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1967  
1924  
MINIMUM TEMPERATURE (F) 24 -7 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2017......SUNRISE 739 AM EST SUNSET 456 PM EST  
DECEMBER 18 2017......SUNRISE 739 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 OR 8 AM EDT.  
 

 
 
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