870 
CDUS43 KDTX 010537
CLIMBS


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI                          
1237 AM EST MON JAN 1 2018


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

...THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 31 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         10    330 PM  30    -20       39                   
  MINIMUM          1    555 AM  17    -16       28                   
  AVERAGE          6            24    -18                           
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.06  -0.06                         
  MONTH TO DATE    1.03          1.86  -0.83                         
  SINCE DEC 1      1.03          1.86  -0.83                         
  SINCE JAN 1     37.75         31.54   6.21                         
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE   13.2                                               
  SINCE DEC 1     13.2                                               
  SINCE JUL 1     13.2                                               
  SNOW DEPTH       3                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       59                   18                            
  MONTH TO DATE 1281                  114                            
  SINCE DEC 1   1281                  114                            
  SINCE JUL 1   2512                 -128                            
                                                                     
 COOLING                                                             
  YESTERDAY        0                    0                            
  MONTH TO DATE    0                    0                            
  SINCE DEC 1      0                    0                            
  SINCE JAN 1    665                  108                            
......................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     5.9                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    95                                                       
 LOWEST     69                                                       
 AVERAGE    82                                                       

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

                                                                     
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY
                         NORMAL                                      
 MAXIMUM TEMPERATURE (F)   30                                        
 MINIMUM TEMPERATURE (F)   17                                        

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  1 2018.......SUNRISE   809 AM EST   SUNSET   511 PM EST   
JANUARY  2 2018.......SUNRISE   809 AM EST   SUNSET   512 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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