166  
CDUS43 KGRR 090525  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
125 AM EDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 8 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 73 3:02 PM 91 1959 76 -3 80  
MINIMUM 57 11:58 PM 31 1951 56 1 56  
AVERAGE 65 66 -1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.74 1941 0.11 -0.11 0.00  
MONTH TO DATE 0.64 0.84 -0.20 0.00  
SINCE SEP 1 0.64 0.84 -0.20 0.00  
SINCE JAN 1 21.62 23.52 -1.90 22.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1994 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 0 2 -2 0  
MONTH TO DATE 1 12 -11 0  
SINCE SEP 1 1 12 -11 0  
SINCE JUL 1 6 34 -28 7  
 
COOLING  
YESTERDAY 0 3 -3 3  
MONTH TO DATE 74 30 44 51  
SINCE SEP 1 74 30 44 51  
SINCE JAN 1 728 603 125 807    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 5:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 89 1947  
1964  
2002  
MINIMUM TEMPERATURE (F) 56 38 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 7:18 AM EDT SUNSET 8:06 PM EDT  
SEPTEMBER 10 2023.....SUNRISE 7:19 AM EDT SUNSET 8:04 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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