644  
CDUS43 KGRR 180542  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1242 AM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 17 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 48 10:18 AM 50 1939 37 11 32  
MINIMUM 39 11:59 PM 0 1973 26 13 30  
AVERAGE 44 31 13 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.61 1921 0.07 -0.05 0.20  
MONTH TO DATE 0.89 1.39 -0.50 0.98  
SINCE DEC 1 0.89 1.39 -0.50 0.98  
SINCE JAN 1 31.57 34.05 -2.48 32.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 14.8 1963 0.8 -0.8 2.3  
MONTH TO DATE 2.0 11.3 -9.3 7.4  
SINCE DEC 1 2.0 11.3 -9.3 7.4  
SINCE JUL 1 15.2 17.8 -2.6 13.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 34 -13 34  
MONTH TO DATE 403 536 -133 483  
SINCE DEC 1 403 536 -133 483  
SINCE JUL 1 1506 1809 -303 1611  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 795 650 145 878    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 73 8:00 PM  
AVERAGE 82  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 53 1939  
MINIMUM TEMPERATURE (F) 26 2 1919  
1922  
1945  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 8:12 AM EST SUNSET 5:11 PM EST  
DECEMBER 19 2023......SUNRISE 8:12 AM EST SUNSET 5:12 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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