409  
CDUS43 KGRR 102201  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
601 PM EDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 10 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1896 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 76 2:48 PM 88 1912 76 0 83  
1961  
1983  
MINIMUM 50 6:47 AM 39 1995 56 -6 61  
AVERAGE 63 66 -3 72  
 
PRECIPITATION (IN)  
TODAY 0.00 4.06 1986 0.10 -0.10 0.00  
MONTH TO DATE 0.64 1.05 -0.41 0.00  
SINCE SEP 1 0.64 1.05 -0.41 0.00  
SINCE JAN 1 21.62 23.73 -2.11 22.51  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 2 0 0  
MONTH TO DATE 5 16 -11 0  
SINCE SEP 1 5 16 -11 0  
SINCE JUL 1 10 38 -28 7  
 
COOLING  
TODAY 0 3 -3 7  
MONTH TO DATE 74 36 38 63  
SINCE SEP 1 74 36 38 63  
SINCE JAN 1 728 609 119 819    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 3:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 88 1952  
MINIMUM TEMPERATURE (F) 55 34 1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 7:19 AM EDT SUNSET 8:04 PM EDT  
SEPTEMBER 11 2023.....SUNRISE 7:20 AM EDT SUNSET 8:02 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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