656  
CDUS43 KGRR 190601  
CLIJXN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
101 AM EST FRI DEC 19 2025  
   
...............................  
 
   
..THE JACKSON CLIMATE SUMMARY FOR DECEMBER 18 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1944 TO 2025  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 7:54 PM 35 17 34  
MINIMUM 32 12:21 AM 23 9 30  
AVERAGE 42 29 13 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 0.05 0.19 T  
MONTH TO DATE 0.90 1.03 -0.13 0.49  
SINCE DEC 1 0.90 1.03 -0.13 0.49  
SINCE JAN 1 23.36 31.46 -8.10 35.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 36 -13 33  
MONTH TO DATE 769 602 167 630  
SINCE DEC 1 769 602 167 630  
SINCE JUL 1 2098 1950 148 1682  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 683 634 49 637    
...................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 14.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 PM  
LOWEST 70 11:00 AM  
AVERAGE 82  
   
......................................................  
 
THE JACKSON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 MM MM  
MINIMUM TEMPERATURE (F) 23 MM MM  
 
SUNRISE AND SUNSET  
DECEMBER 19 2025......SUNRISE 8:02 AM EST SUNSET 5:08 PM EST  
DECEMBER 20 2025......SUNRISE 8:03 AM EST SUNSET 5:08 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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