040  
CDUS43 KGRR 210523  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
123 AM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 20 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 79 3:55 PM 90 2017 72 7 78  
MINIMUM 60 6:33 AM 33 1956 52 8 55  
AVERAGE 70 62 8 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.88 1924 0.12 -0.11 0.18  
MONTH TO DATE 1.50 2.15 -0.65 2.02  
SINCE SEP 1 1.50 2.15 -0.65 2.02  
SINCE JAN 1 22.48 24.83 -2.35 24.53  
 
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 0 5 -5 0  
MONTH TO DATE 42 53 -11 0  
SINCE SEP 1 42 53 -11 0  
SINCE JUL 1 47 75 -28 7  
 
COOLING  
YESTERDAY 5 2 3 2  
MONTH TO DATE 79 58 21 102  
SINCE SEP 1 79 58 21 102  
SINCE JAN 1 733 631 102 858    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 11:00 PM  
LOWEST 45 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 86 1941  
2017  
MINIMUM TEMPERATURE (F) 52 31 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 7:31 AM EDT SUNSET 7:44 PM EDT  
SEPTEMBER 22 2023.....SUNRISE 7:32 AM EDT SUNSET 7:43 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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