021  
CDUS43 KGRR 150521  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
121 AM EDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 14 2023
 
 
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)  
YESTERDAY  
MAXIMUM 71 3:14 PM 87 1897 74 -3 78  
MINIMUM 47 7:02 AM 34 1919 54 -7 57  
AVERAGE 59 64 -5 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 1961 0.11 -0.11 0.00  
MONTH TO DATE 1.44 1.47 -0.03 1.69  
SINCE SEP 1 1.44 1.47 -0.03 1.69  
SINCE JAN 1 22.42 24.15 -1.73 24.20  
 
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 6 3 3 0  
MONTH TO DATE 24 28 -4 0  
SINCE SEP 1 24 28 -4 0  
SINCE JUL 1 29 50 -21 7  
 
COOLING  
YESTERDAY 0 2 -2 3  
MONTH TO DATE 74 46 28 69  
SINCE SEP 1 74 46 28 69  
SINCE JAN 1 728 619 109 825    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 12:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 86 1897  
MINIMUM TEMPERATURE (F) 54 38 1964  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 7:24 AM EDT SUNSET 7:55 PM EDT  
SEPTEMBER 16 2023.....SUNRISE 7:25 AM EDT SUNSET 7:53 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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