630  
CDUS43 KGRR 312130  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
530 PM EDT THU JUL 31 2025  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR JULY 31 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 79 4:00 PM 93 1975 81 -2 84  
MINIMUM 59 MM 42 1934 63 -4 69  
AVERAGE 69 72 -3 77  
 
PRECIPITATION (IN)  
TODAY 0.00 2.10 1904 0.10 -0.10 0.00  
MONTH TO DATE 1.90 2.75 -0.85 2.44  
SINCE JUN 1 3.71 5.80 -2.09 7.48  
SINCE JAN 1 15.21 19.58 -4.37 19.94  
 
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 1 -1 6  
SINCE JUN 1 48 51 -3 33  
SINCE JUL 1 0 1 -1 6  
 
COOLING  
TODAY 4 7 -3 12  
MONTH TO DATE 263 222 41 209  
SINCE JUN 1 450 346 104 399  
SINCE JAN 1 473 382 91 420    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 68  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 1926  
1975  
1988  
MINIMUM TEMPERATURE (F) 63 43 1947  
 
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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