883  
CDUS43 KGRR 212130  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
530 PM EDT THU SEP 21 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 21 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 83 1:19 PM 86 1941 72 11 77  
2017  
MINIMUM 59 6:19 AM 31 1962 52 7 64  
AVERAGE 71 62 9 71  
 
PRECIPITATION (IN)  
TODAY 0.00 3.46 1947 0.11 -0.11 0.00  
MONTH TO DATE 1.50 2.26 -0.76 2.02  
SINCE SEP 1 1.50 2.26 -0.76 2.02  
SINCE JAN 1 22.48 24.94 -2.46 24.53  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 5 -5 0  
MONTH TO DATE 42 58 -16 0  
SINCE SEP 1 42 58 -16 0  
SINCE JUL 1 47 80 -33 7  
 
COOLING  
TODAY 6 2 4 6  
MONTH TO DATE 85 60 25 108  
SINCE SEP 1 85 60 25 108  
SINCE JAN 1 739 633 106 864    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 43 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2017  
MINIMUM TEMPERATURE (F) 51 31 1976  
 
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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