AFOS product CLIROC
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CDUS41 KBUF 202128
CLIROC


CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY                                  
428 PM EST WED DEC 20 2017


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

...THE ROCHESTER NY CLIMATE SUMMARY FOR DECEMBER 19 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         48    143 PM  60    1957  35     13       24       
  MINIMUM         39    214 AM  -6    1875  22     17        9       
  AVERAGE         44                        29     15       17      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          0.75 1873   0.08  -0.03     0.02    
  MONTH TO DATE    1.01                      1.66  -0.65     2.57    
  SINCE DEC 1      1.01                      1.66  -0.65     2.57    
  SINCE JAN 1     44.14                     33.30  10.84    30.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             8.9  2008   0.8   MM        0.5     
  MONTH TO DATE   14.9                      12.3    2.6     25.7     
  SINCE DEC 1     14.9                      12.3    2.6     25.7     
  SINCE JUL 1     17.5                      19.7   -2.2     41.6     
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        36    -15       48       
  MONTH TO DATE  658                       633     25      667       
  SINCE DEC 1    658                       633     25      667       
  SINCE JUL 1   1749                      2001   -252     1645       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    655                       539    116      978       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    52   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    18.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     65          1100 PM                                     
 AVERAGE    83                                                       

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

                                                                     
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        63      1957                    
                                             1895                    
 MINIMUM TEMPERATURE (F)   22       -16      1942                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2017......SUNRISE   739 AM EST   SUNSET   438 PM EST   
DECEMBER 21 2017......SUNRISE   739 AM EST   SUNSET   439 PM EST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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