978  
CDUS41 KPBZ 180801  
CLIPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
301 AM EST TUE DEC 18 2018  
   
...............................
 
 
   
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 17 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 40 1253 PM 64 1984 39 1 42  
1924  
MINIMUM 32 1159 PM -6 1989 25 7 33  
AVERAGE 36 32 4 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.35 1890 0.08 -0.08 0.07  
MONTH TO DATE 2.34 1.61 0.73 0.76  
SINCE JUN 1 33.59 21.85 11.74 22.43  
SINCE JAN 1 55.13 36.95 18.18 41.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 22.0 1890 0.3 -0.3 0.0  
MONTH TO DATE 2.0 4.1 -2.1 6.9  
SINCE OCT 1 5.6 6.5 -0.9 6.9  
SINCE JUL 1 5.6 6.5 -0.9 6.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 33 -4 27  
MONTH TO DATE 520 523 -3 532  
SINCE DEC 1 520 523 -3 532  
SINCE JUL 1 1792 1686 106 1535  
 
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 NW (310)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 61 1000 PM  
AVERAGE 77  
   
......................................................
 
 
 
THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1967  
1924  
MINIMUM TEMPERATURE (F) 24 -7 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2018......SUNRISE 739 AM EST SUNSET 456 PM EST  
DECEMBER 19 2018......SUNRISE 740 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OH Page
The Nexlab PA Page
The Nexlab WV Page
The Nexlab MD Page Main Text Page