AFOS product CLIROC
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CLIROC


CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY                                  
524 AM EST SUN DEC 17 2017


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

...THE ROCHESTER NY CLIMATE SUMMARY FOR DECEMBER 16 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         26   1244 PM  62    1894  36    -10       24       
  MINIMUM         13   1019 PM  -1    1942  23    -10       11       
  AVERAGE         20                        30    -10       18      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          0.96 1927   0.08  -0.06     0.11    
  MONTH TO DATE    0.88                      1.43  -0.55     1.86    
  SINCE DEC 1      0.88                      1.43  -0.55     1.86    
  SINCE JAN 1     44.01                     33.07  10.94    29.67    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.8           6.9  2007   0.8    0.0      2.5     
  MONTH TO DATE   14.9                      10.1    4.8     22.4     
  SINCE DEC 1     14.9                      10.1    4.8     22.4     
  SINCE JUL 1     17.5                      17.5    0.0     38.3     
  SNOW DEPTH       5                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       45                        35     10       47       
  MONTH TO DATE  558                       525     33      544       
  SINCE DEC 1    558                       525     33      544       
  SINCE JUL 1   1649                      1893   -244     1522       
                                                                     
 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    20   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     8.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    88           100 PM                                     
 LOWEST     60           200 AM                                     
 AVERAGE    74                                                       

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

                                                                     
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   36        60      1984                    
 MINIMUM TEMPERATURE (F)   23        -4      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2017......SUNRISE   737 AM EST   SUNSET   437 PM EST   
DECEMBER 18 2017......SUNRISE   738 AM EST   SUNSET   437 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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