908  
CDUS43 KGRR 290529  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
129 AM EDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 28 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 3:10 PM 90 1905 69 2 58  
MINIMUM 57 11:59 PM 27 1991 49 8 49  
AVERAGE 64 59 5 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.57 1904 0.11 -0.11 0.00  
MONTH TO DATE 1.50 3.04 -1.54 2.57  
SINCE SEP 1 1.50 3.04 -1.54 2.57  
SINCE JAN 1 22.48 25.72 -3.24 25.08  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1949 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 1 7 -6 11  
MONTH TO DATE 43 101 -58 65  
SINCE SEP 1 43 101 -58 65  
SINCE JUL 1 48 123 -75 72  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 106 67 39 108  
SINCE SEP 1 106 67 39 108  
SINCE JAN 1 760 640 120 864    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 11:00 PM  
LOWEST 63 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1953  
MINIMUM TEMPERATURE (F) 49 31 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 7:40 AM EDT SUNSET 7:30 PM EDT  
SEPTEMBER 30 2023.....SUNRISE 7:41 AM EDT SUNSET 7:28 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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