299  
CDUS43 KGRR 060627  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
227 AM EDT SAT SEP 06 2025  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 5 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 65 4:36 AM 92 1948 77 -12 83  
2023  
MINIMUM 55 12:13 AM 37 1900 57 -2 56  
AVERAGE 60 67 -7 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.40 1916 0.10 -0.08 0.06  
MONTH TO DATE 0.28 0.52 -0.24 0.06  
SINCE SEP 1 0.28 0.52 -0.24 0.06  
SINCE JAN 1 19.27 23.20 -3.93 23.55  
 
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 SEP 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 5 2 3 0  
MONTH TO DATE 19 6 13 6  
SINCE SEP 1 19 6 13 6  
SINCE JUL 1 59 28 31 20  
 
COOLING  
YESTERDAY 0 4 -4 5  
MONTH TO DATE 0 20 -20 6  
SINCE SEP 1 0 20 -20 6  
SINCE JAN 1 677 593 84 653    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 16.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 47 10:00 PM  
AVERAGE 66  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1954  
MINIMUM TEMPERATURE (F) 57 36 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2025.....SUNRISE 7:15 AM EDT SUNSET 8:10 PM EDT  
SEPTEMBER 7 2025.....SUNRISE 7:16 AM EDT SUNSET 8:09 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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