511  
CDUS43 KGRR 132231  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
531 PM EST SAT DEC 13 2025  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 13 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1896 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 28 2:30 AM 63 2015 38 -10 22  
MINIMUM 13 4:59 PM 1 1956 27 -14 14  
1958  
AVERAGE 21 32 -11 18  
 
PRECIPITATION (IN)  
TODAY 0.02 1.02 2015 0.08 -0.06 T  
MONTH TO DATE 2.04 1.09 0.95 0.78  
SINCE DEC 1 2.04 1.09 0.95 0.78  
SINCE JAN 1 26.22 33.75 -7.53 33.93  
 
SNOWFALL (IN)  
TODAY MM 5.5 1962 0.8 MM T  
MONTH TO DATE 15.6 8.3 7.3 15.2  
SINCE DEC 1 15.6 8.3 7.3 15.2  
SINCE JUL 1 33.0 14.8 18.2 16.3  
SNOW DEPTH 8  
 
DEGREE DAYS  
HEATING  
TODAY 44 33 11 47  
MONTH TO DATE 523 403 120 436  
SINCE DEC 1 523 403 120 436  
SINCE JUL 1 1737 1676 61 1365  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 759 650 109 759    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
BLOWING SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 67 11:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 59 2015  
MINIMUM TEMPERATURE (F) 27 1 1917  
2017  
 
SUNRISE AND SUNSET  
DECEMBER 13 2025......SUNRISE 8:08 AM EST SUNSET 5:10 PM EST  
DECEMBER 14 2025......SUNRISE 8:09 AM EST SUNSET 5:10 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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