026  
CDUS43 KGRR 130644  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
244 AM EDT WED AUG 13 2025  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR AUGUST 12 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 79 12:11 PM 91 1918 81 -2 80  
1988  
1993  
MINIMUM 68 8:22 AM 45 1979 62 6 61  
AVERAGE 74 71 3 71  
 
PRECIPITATION (IN)  
YESTERDAY 1.01 1.06 2005 0.10 0.91 0.00  
2007  
MONTH TO DATE 1.24 1.19 0.05 0.75  
SINCE JUN 1 4.95 6.99 -2.04 8.23  
SINCE JAN 1 16.45 20.77 -4.32 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 9 7 2 6  
MONTH TO DATE 113 84 29 91  
SINCE JUN 1 564 430 134 490  
SINCE JAN 1 587 466 121 511    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 11:00 PM  
LOWEST 69 1:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 91 1940  
MINIMUM TEMPERATURE (F) 62 45 1941  
1950  
1954  
 
SUNRISE AND SUNSET  
AUGUST 13 2025........SUNRISE 6:49 AM EDT SUNSET 8:50 PM EDT  
AUGUST 14 2025........SUNRISE 6:50 AM EDT SUNSET 8:49 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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