AFOS product CLIROC
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CLIROC


CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY                                  
524 AM EST TUE DEC 19 2017


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

...THE ROCHESTER NY CLIMATE SUMMARY FOR DECEMBER 18 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         41    926 PM  57    1921  36      5       35       
  MINIMUM         25    232 AM  -7    1919  23      2       18       
  AVERAGE         33                        29      4       27      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          0.62 1977   0.07  -0.01     0.34    
  MONTH TO DATE    0.94                      1.58  -0.64     2.55    
  SINCE DEC 1      0.94                      1.58  -0.64     2.55    
  SINCE JAN 1     44.07                     33.22  10.85    30.36    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             4.7  1951   0.7   -0.7      0.4     
  MONTH TO DATE   14.9                      11.5    3.4     25.2     
  SINCE DEC 1     14.9                      11.5    3.4     25.2     
  SINCE JUL 1     17.5                      18.9   -1.4     41.1     
  SNOW DEPTH       4                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       32                        36     -4       38       
  MONTH TO DATE  637                       597     40      619       
  SINCE DEC 1    637                       597     40      619       
  SINCE JUL 1   1728                      1965   -237     1597       
                                                                     
 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    17   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     7.0                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           900 PM                                     
 LOWEST     81           300 AM                                     
 AVERAGE    91                                                       

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

                                                                     
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        60      1957                    
 MINIMUM TEMPERATURE (F)   22        -6      1875                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 19 2017......SUNRISE   738 AM EST   SUNSET   438 PM EST   
DECEMBER 20 2017......SUNRISE   739 AM EST   SUNSET   438 PM EST   

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

$$