317  
CDUS43 KGRR 182227  
CLIJXN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
526 PM EST THU DEC 18 2014  
 
   
...............................
 
 
   
..THE JACKSON MI CLIMATE SUMMARY FOR DECEMBER 18 2014
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1944 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 32 141 PM MM MM 34 -2 28  
MINIMUM 27 1242 AM MM MM 21 6 23  
AVERAGE 30 27 3 26  
 
PRECIPITATION (IN)  
TODAY 0.00 MM MM 0.06 -0.06 T  
MONTH TO DATE 0.39 1.11 -0.72 0.56  
SINCE DEC 1 0.39 1.11 -0.72 0.56  
SINCE JAN 1 28.56 30.74 -2.18 31.56  
 
DEGREE DAYS  
HEATING  
TODAY 35 38 -3 39  
MONTH TO DATE 576 631 -55 725  
SINCE DEC 1 576 631 -55 725  
SINCE JUL 1 2187 2035 152 2196  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 496 592 -96 616    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1100 AM  
LOWEST 69 100 AM  
AVERAGE 81  
   
......................................................
 
 
 
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2014......SUNRISE 802 AM EST SUNSET 507 PM EST  
DECEMBER 19 2014......SUNRISE 802 AM EST SUNSET 508 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
JAM  
 
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