504  
CDUS43 KGRR 181348  
CLIJXN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
947 AM EDT FRI AUG 18 2017  
 
   
...............................
 
 
   
..THE JACKSON MI CLIMATE SUMMARY FOR AUGUST 18 2017
 
 
VALID AS OF 0900 AM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 126 AM 80 -7 83  
MINIMUM 66 605 AM 59 7 62  
AVERAGE 70 70 0 73  
 
PRECIPITATION (IN)  
TODAY T 0.11 -0.11 0.00  
MONTH TO DATE 1.38 2.06 -0.68 8.11  
SINCE JUN 1 4.86 8.91 -4.05 15.41  
SINCE JAN 1 22.83 19.51 3.32 24.91  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 14 -12 0  
SINCE JUN 1 33 80 -47 34  
SINCE JUL 1 2 25 -23 4  
 
COOLING  
TODAY 5 5 0 8  
MONTH TO DATE 72 105 -33 181  
SINCE JUN 1 458 433 25 590  
SINCE JAN 1 494 470 24 643    
..................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 600 AM  
LOWEST 73 1200 AM  
AVERAGE 80  
   
......................................................
 
 
 
THE JACKSON MI CLIMATE NORMALS FOR TOMORROW  
NORMAL  
MAXIMUM TEMPERATURE (F) 80  
MINIMUM TEMPERATURE (F) 59  
 
 
SUNRISE AND SUNSET  
AUGUST 18 2017........SUNRISE 649 AM EDT SUNSET 834 PM EDT  
AUGUST 19 2017........SUNRISE 650 AM EDT SUNSET 832 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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