AFOS product CLIPIT
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CDUS41 KPBZ 210820
CLIPIT

CLIMATE REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA                               
320 AM EST THU DEC 21 2017

................................... 

...THE PITTSBURGH PA CLIMATE SUMMARY FOR DECEMBER 20 2017...

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)                                                     
 YESTERDAY                                                           
  MAXIMUM         45   1220 AM  64    1895  38      7       36       
  MINIMUM         30   1139 PM  -4    1963  24      6       14       
  AVERAGE         38                        31      7       25      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.81 1933   0.09  -0.09     0.00    
  MONTH TO DATE    0.77                      1.87  -1.10     3.03    
  SINCE JUN 1     22.44                     22.11   0.33    20.99    
  SINCE JAN 1     41.15                     37.21   3.94    34.61    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           3.6  1946   0.2   -0.2      0.0     
  MONTH TO DATE    6.9                       4.9    2.0      5.2     
  SINCE OCT 1      6.9                       7.3   -0.4      7.3     
  SINCE JUL 1      6.9                       7.3   -0.4      7.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        34     -7       40       
  MONTH TO DATE  598                       625    -27      670       
  SINCE DEC 1    598                       625    -27      670       
  SINCE JUL 1   1601                      1788   -187     1517       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    864                       736    128     1158       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           500 AM                                     
 LOWEST     36           100 PM                                     
 AVERAGE    56                                                       

..........................................................

                                                                     
THE PITTSBURGH PA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   38        67      1967                    
 MINIMUM TEMPERATURE (F)   24        -6      1989                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2017......SUNRISE   741 AM EST   SUNSET   457 PM EST   
DECEMBER 22 2017......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 OR 8 AM EDT.

SNOW DEPTH IS MEASURED AT 7 AM EST OR 8 AM EDT.

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