503  
CDUS43 KGRR 120528  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
128 AM EDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 11 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 65 5:57 PM 88 1952 75 -10 68  
MINIMUM 57 2:40 AM 34 1943 55 2 63  
AVERAGE 61 65 -4 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.74 4.33 1986 0.11 0.63 1.69  
MONTH TO DATE 1.38 1.16 0.22 1.69  
SINCE SEP 1 1.38 1.16 0.22 1.69  
SINCE JAN 1 22.36 23.84 -1.48 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 4 3 1 0  
MONTH TO DATE 9 19 -10 0  
SINCE SEP 1 9 19 -10 0  
SINCE JUL 1 14 41 -27 7  
 
COOLING  
YESTERDAY 0 3 -3 1  
MONTH TO DATE 74 39 35 64  
SINCE SEP 1 74 39 35 64  
SINCE JAN 1 728 612 116 820    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 75 12:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1952  
MINIMUM TEMPERATURE (F) 55 38 1943  
1955  
1958  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 7:21 AM EDT SUNSET 8:01 PM EDT  
SEPTEMBER 13 2023.....SUNRISE 7:22 AM EDT SUNSET 7:59 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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