189  
CDUS43 KGRR 090636  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
236 AM EDT SAT AUG 09 2025  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR AUGUST 8 2025  
 
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)  
YESTERDAY  
MAXIMUM 91R 4:07 PM 90 1900 81 10 79  
1914  
1941  
MINIMUM 74 7:17 AM 44 1989 62 12 58  
AVERAGE 83 72 11 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.95 1991 0.09 -0.08 0.00  
MONTH TO DATE 0.01 0.79 -0.78 0.75  
SINCE JUN 1 3.72 6.59 -2.87 8.23  
SINCE JAN 1 15.22 20.37 -5.15 20.69  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 18 7 11 4  
MONTH TO DATE 63 56 7 79  
SINCE JUN 1 514 402 112 478  
SINCE JAN 1 537 438 99 499    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 67  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 91 1970  
MINIMUM TEMPERATURE (F) 62 40 1964  
 
SUNRISE AND SUNSET  
AUGUST 9 2025........SUNRISE 6:44 AM EDT SUNSET 8:56 PM EDT  
AUGUST 10 2025........SUNRISE 6:45 AM EDT SUNSET 8:54 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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