112 
CDUS43 KDTX 160539
CLIMBS


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI                          
1239 AM EST SAT DEC 16 2017


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

...THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017


WEATHER ITEM   OBSERVED TIME   NORMAL DEPARTURE LAST                 
                VALUE   (LST)  VALUE  FROM      YEAR                 
                                      NORMAL                         
......................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         25    329 PM  33     -8       14                   
  MINIMUM         11   1248 AM  21    -10        2                   
  AVERAGE         18            27     -9                           
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.05  -0.04                         
  MONTH TO DATE    0.68          0.96  -0.28                         
  SINCE DEC 1      0.68          0.96  -0.28                         
  SINCE JAN 1     37.40         30.64   6.76                         
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.3                                               
  MONTH TO DATE    8.4                                               
  SINCE DEC 1      8.4                                               
  SINCE JUL 1      8.4                                               
  SNOW DEPTH       6                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       47                    9                            
  MONTH TO DATE  547                   17                            
  SINCE DEC 1    547                   17                            
  SINCE JUL 1   1778                 -225                            
                                                                     
 COOLING                                                             
  YESTERDAY        0                    0                            
  MONTH TO DATE    0                    0                            
  SINCE DEC 1      0                    0                            
  SINCE JAN 1    665                  108                            
......................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.2                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     62                                                       
 AVERAGE    81                                                       

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

                                                                     
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY
                         NORMAL                                      
 MAXIMUM TEMPERATURE (F)   33                                        
 MINIMUM TEMPERATURE (F)   21                                        

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2017......SUNRISE   803 AM EST   SUNSET   501 PM EST   
DECEMBER 17 2017......SUNRISE   804 AM EST   SUNSET   501 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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