106  
CDUS43 KGRR 130522  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1222 AM EST WED DEC 13 2023  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 12 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 43 5:30 AM 57 1899 38 5 37  
MINIMUM 34 11:59 PM -5 1958 27 7 35  
AVERAGE 39 33 6 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1984 0.07 -0.07 0.00  
MONTH TO DATE 0.79 1.01 -0.22 0.10  
SINCE DEC 1 0.79 1.01 -0.22 0.10  
SINCE JAN 1 31.47 33.67 -2.20 31.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.4 1956 0.7 -0.7 0.0  
MONTH TO DATE 2.0 7.5 -5.5 0.3  
SINCE DEC 1 2.0 7.5 -5.5 0.3  
SINCE JUL 1 15.2 14.0 1.2 6.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 32 -6 29  
MONTH TO DATE 300 370 -70 333  
SINCE DEC 1 300 370 -70 333  
SINCE JUL 1 1403 1643 -240 1461  
 
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 15 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 12:00 AM  
LOWEST 49 10:00 PM  
AVERAGE 60  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 2015  
MINIMUM TEMPERATURE (F) 27 1 1956  
1958  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 8:08 AM EST SUNSET 5:10 PM EST  
DECEMBER 14 2023......SUNRISE 8:09 AM EST SUNSET 5:10 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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