AFOS product CLIROC
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CDUS41 KBUF 211223
CLIROC


CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY                                  
722 AM EST THU DEC 21 2017


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

...THE ROCHESTER NY 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         40   1209 AM  63    1957  35      5       37       
                                      1895                          
  MINIMUM         28   1159 PM -16    1942  22      6       17       
  AVERAGE         34                        29      5       27      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.12 1936   0.08  -0.08     0.00    
  MONTH TO DATE    1.01                      1.74  -0.73     2.57    
  SINCE DEC 1      1.01                      1.74  -0.73     2.57    
  SINCE JAN 1     44.14                     33.38  10.76    30.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.2           5.7  1975   0.7   -0.5      0.0     
  MONTH TO DATE   15.1                      13.0    2.1     25.7     
  SINCE DEC 1     15.1                      13.0    2.1     25.7     
  SINCE JUL 1     17.7                      20.4   -2.7     41.6     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       31                        36     -5       38       
  MONTH TO DATE  689                       669     20      705       
  SINCE DEC 1    689                       669     20      705       
  SINCE JUL 1   1780                      2037   -257     1683       
                                                                     
 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    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75           400 AM                                     
 LOWEST     56           700 AM                                     
 AVERAGE    66                                                       

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

                                                                     
THE ROCHESTER NY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   35        62      1895                    
 MINIMUM TEMPERATURE (F)   22        -4      1879                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2017......SUNRISE   739 AM EST   SUNSET   439 PM EST   
DECEMBER 22 2017......SUNRISE   740 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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