168  
CDUS43 KGRR 172135  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
535 PM EDT SUN AUG 17 2025  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR AUGUST 17 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 85 3:51 PM 93 1988 80 5 78  
MINIMUM 69 2:17 AM 44 1954 62 7 68  
AVERAGE 77 71 6 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.79 1914 0.10 -0.10 T  
MONTH TO DATE 1.35 1.68 -0.33 2.47  
SINCE JUN 1 5.06 7.48 -2.42 9.95  
SINCE JAN 1 16.56 21.26 -4.70 22.41  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 48 59 -11 33  
SINCE JUL 1 0 9 -9 6  
 
COOLING  
TODAY 12 6 6 8  
MONTH TO DATE 168 116 52 127  
SINCE JUN 1 619 462 157 526  
SINCE JAN 1 642 498 144 547    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 55 12:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 1947  
MINIMUM TEMPERATURE (F) 61 43 1943  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:53 AM EDT SUNSET 8:44 PM EDT  
AUGUST 18 2025........SUNRISE 6:54 AM EDT SUNSET 8:42 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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