428  
CDUS43 KGRR 310515  
CLIJXN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1214 AM EST SAT JAN 31 2015  
 
   
...............................
 
 
   
..THE JACKSON MI CLIMATE SUMMARY FOR JANUARY 30 2015
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1944 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
..................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 26 1209 AM 31 -5 29  
MINIMUM 10 919 PM 16 -6 11  
AVERAGE 18 24 -6 20  
 
PRECIPITATION (IN)  
YESTERDAY T 0.04 -0.04 0.01  
MONTH TO DATE 1.07 1.45 -0.38 1.90  
SINCE DEC 1 2.47 3.32 -0.85 3.82  
SINCE JAN 1 1.07 1.45 -0.38 1.90  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 41 6 45  
MONTH TO DATE 1331 1245 86 1510  
SINCE DEC 1 2350 2389 -39 2719  
SINCE JUL 1 3961 3793 168 4190  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1000 PM  
LOWEST 56 1200 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE JACKSON MI CLIMATE NORMALS FOR TODAY  
NORMAL  
MAXIMUM TEMPERATURE (F) 31  
MINIMUM TEMPERATURE (F) 16  
 
 
SUNRISE AND SUNSET  
JANUARY 31 2015.......SUNRISE 752 AM EST SUNSET 551 PM EST  
FEBRUARY 1 2015......SUNRISE 751 AM EST SUNSET 552 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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