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CLIMBS


CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI                          
1241 AM EST FRI DEC 22 2017


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

...THE TRI CITIES MI CLIMATE SUMMARY FOR DECEMBER 21 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         31    332 PM  32     -1       33                   
  MINIMUM         27    912 AM  20      7       20                   
  AVERAGE         29            26      3                           
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          0.05  -0.01                         
  MONTH TO DATE    0.87          1.29  -0.42                         
  SINCE DEC 1      0.87          1.29  -0.42                         
  SINCE JAN 1     37.59         30.97   6.62                         
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    9.7                                               
  SINCE DEC 1      9.7                                               
  SINCE JUL 1      9.7                                               
  SNOW DEPTH       2                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                   -3                            
  MONTH TO DATE  758                   -4                            
  SINCE DEC 1    758                   -4                            
  SINCE JUL 1   1989                 -246                            
                                                                     
 COOLING                                                             
  YESTERDAY        0                    0                            
  MONTH TO DATE    0                    0                            
  SINCE DEC 1      0                    0                            
  SINCE JAN 1    665                  108                            
......................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (70)       
  AVERAGE WIND SPEED     7.2                                         


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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     63                                                       
 AVERAGE    82                                                       

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

                                                                     
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY
                         NORMAL                                      
 MAXIMUM TEMPERATURE (F)   32                                        
 MINIMUM TEMPERATURE (F)   19                                        

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2017......SUNRISE   807 AM EST   SUNSET   503 PM EST   
DECEMBER 23 2017......SUNRISE   807 AM EST   SUNSET   504 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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