652  
CDUS43 KGRR 310631  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
231 AM EDT THU JUL 31 2025  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR JULY 30 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 81 11:13 AM 99 1913 82 -1 83  
MINIMUM 62 5:33 PM 46 1956 63 -1 69  
AVERAGE 72 72 0 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.41 0.92 2000 0.10 0.31 T  
MONTH TO DATE 1.90 2.65 -0.75 2.44  
SINCE JUN 1 3.71 5.70 -1.99 7.48  
SINCE JAN 1 15.21 19.48 -4.27 19.94  
 
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 1 -1 6  
SINCE JUN 1 48 51 -3 33  
SINCE JUL 1 0 1 -1 6  
 
COOLING  
YESTERDAY 7 7 0 11  
MONTH TO DATE 259 212 47 197  
SINCE JUN 1 446 336 110 387  
SINCE JAN 1 469 372 97 408    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1:00 AM  
LOWEST 62 11:00 AM  
AVERAGE 79  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 93 1975  
MINIMUM TEMPERATURE (F) 63 42 1934  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 6:35 AM EDT SUNSET 9:07 PM EDT  
AUGUST 1 2025........SUNRISE 6:36 AM EDT SUNSET 9:06 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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