240  
CDUS43 KGRR 152233  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
533 PM EST FRI DEC 15 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 15 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 52 2:21 PM 63 2021 37 15 41  
MINIMUM 42 8:36 AM -2 1943 26 16 34  
AVERAGE 47 32 15 38  
 
PRECIPITATION (IN)  
TODAY 0.00 1.48 1971 0.07 -0.07 0.52  
MONTH TO DATE 0.79 1.24 -0.45 0.62  
SINCE DEC 1 0.79 1.24 -0.45 0.62  
SINCE JAN 1 31.47 33.90 -2.43 31.75  
 
SNOWFALL (IN)  
TODAY 0.0 12.1 1987 0.8 -0.8 2.6  
MONTH TO DATE 2.0 9.8 -7.8 2.9  
SINCE DEC 1 2.0 9.8 -7.8 2.9  
SINCE JUL 1 15.2 16.3 -1.1 9.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 33 -15 27  
MONTH TO DATE 366 469 -103 417  
SINCE DEC 1 366 469 -103 417  
SINCE JUL 1 1469 1742 -273 1545  
 
COOLING  
TODAY 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 9 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 8:00 AM  
LOWEST 52 1:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 62 2021  
MINIMUM TEMPERATURE (F) 26 2 1943  
 
SUNRISE AND SUNSET  
DECEMBER 15 2023......SUNRISE 8:10 AM EST SUNSET 5:10 PM EST  
DECEMBER 16 2023......SUNRISE 8:10 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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