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CLIMBS


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI                          
1237 AM EST THU DEC 14 2017


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

...THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 13 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         21    940 PM  34    -13       28                   
  MINIMUM         15    721 AM  22     -7        5                   
  AVERAGE         18            28    -10                           
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.47          0.06   0.41                         
  MONTH TO DATE    0.67          0.85  -0.18                         
  SINCE DEC 1      0.67          0.85  -0.18                         
  SINCE JAN 1     37.39         30.53   6.86                         
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        6.1                                               
  MONTH TO DATE    8.1                                               
  SINCE DEC 1      8.1                                               
  SINCE JUL 1      8.1                                               
  SNOW DEPTH       4                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       47                   10                            
  MONTH TO DATE  444                  -11                            
  SINCE DEC 1    444                  -11                            
  SINCE JUL 1   1675                 -253                            
                                                                     
 COOLING                                                             
  YESTERDAY        0                    0                            
  MONTH TO DATE    0                    0                            
  SINCE DEC 1      0                    0                            
  SINCE JAN 1    665                  108                            
......................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     9.9                                         


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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     67                                                       
 AVERAGE    84                                                       

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

                                                                     
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY
                         NORMAL                                      
 MAXIMUM TEMPERATURE (F)   34                                        
 MINIMUM TEMPERATURE (F)   22                                        

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 14 2017......SUNRISE   802 AM EST   SUNSET   500 PM EST   
DECEMBER 15 2017......SUNRISE   803 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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