574  
CDUS43 KGRR 252130  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
530 PM EDT FRI SEP 25 2026  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 25 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1896 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 3:11 PM 89 2017 70 -1 72  
MINIMUM 50 5:42 AM 28 1947 50 0 55  
AVERAGE 60 60 0 64  
 
PRECIPITATION (IN)  
TODAY 0.00 1.35 1961 0.11 -0.11 0.00  
MONTH TO DATE 3.08 2.71 0.37 0.85  
SINCE SEP 1 3.08 2.71 0.37 0.85  
SINCE JAN 1 33.44 25.39 8.05 19.84  
 
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 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  
TODAY 5 6 -1 1  
MONTH TO DATE 53 81 -28 61  
SINCE SEP 1 53 81 -28 61  
SINCE JUL 1 63 103 -40 101  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 77 64 13 55  
SINCE SEP 1 77 64 13 55  
SINCE JAN 1 652 637 15 732    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 66  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 88 2017  
MINIMUM TEMPERATURE (F) 50 28 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2026.....SUNRISE 7:36 AM EDT SUNSET 7:37 PM EDT  
SEPTEMBER 26 2026.....SUNRISE 7:37 AM EDT SUNSET 7:35 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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