256  
CDUS41 KPBZ 212211  
CLIPIT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
511 PM EST FRI DEC 21 2018  
   
...............................
 
 
   
..THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 21 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 49 649 AM 67 1967 38 11 42  
MINIMUM 39 359 PM -6 1989 24 15 27  
AVERAGE 44 31 13 35  
 
PRECIPITATION (IN)  
TODAY 0.27 1.04 1895 0.08 0.19 0.00  
MONTH TO DATE 3.69 1.95 1.74 0.77  
SINCE JUN 1 34.94 22.19 12.75 22.44  
SINCE JAN 1 56.48 37.29 19.19 41.15  
 
SNOWFALL (IN)  
TODAY MM 3.6 1883 0.3 MM 0.0  
MONTH TO DATE 2.0 5.2 -3.2 6.9  
SINCE OCT 1 5.6 7.6 -2.0 6.9  
SINCE JUL 1 5.6 7.6 -2.0 6.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 34 -13 30  
MONTH TO DATE 635 659 -24 628  
SINCE DEC 1 635 659 -24 628  
SINCE JUL 1 1907 1822 85 1631  
 
COOLING  
TODAY 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 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 92 900 AM  
AVERAGE 96  
   
......................................................
 
 
 
THE PITTSBURGH PA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 72 2013  
MINIMUM TEMPERATURE (F) 24 -12 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2018......SUNRISE 741 AM EST SUNSET 457 PM EST  
DECEMBER 22 2018......SUNRISE 741 AM EST SUNSET 458 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