440  
CDUS43 KGRR 170540  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1240 AM EST SUN DEC 17 2023  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 16 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 55 2:24 PM 62 2021 37 18 36  
MINIMUM 42 1:35 AM 2 1943 26 16 30  
AVERAGE 49 32 17 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.60 1911 0.08 0.00 0.16  
MONTH TO DATE 0.87 1.32 -0.45 0.78  
SINCE DEC 1 0.87 1.32 -0.45 0.78  
SINCE JAN 1 31.55 33.98 -2.43 31.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.7 1963 0.7 -0.7 2.2  
MONTH TO DATE 2.0 10.5 -8.5 5.1  
SINCE DEC 1 2.0 10.5 -8.5 5.1  
SINCE JUL 1 15.2 17.0 -1.8 11.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 33 -17 32  
MONTH TO DATE 382 502 -120 449  
SINCE DEC 1 382 502 -120 449  
SINCE JUL 1 1485 1775 -290 1577  
 
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 10 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 11:00 PM  
LOWEST 37 1:00 PM  
AVERAGE 57  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 50 1939  
MINIMUM TEMPERATURE (F) 26 0 1973  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 8:11 AM EST SUNSET 5:11 PM EST  
DECEMBER 18 2023......SUNRISE 8:12 AM EST SUNSET 5:11 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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