645  
CDUS43 KGRR 210529  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1229 AM EST THU DEC 21 2023  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR DECEMBER 20 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 40 4:13 PM 52 1949 36 4 36  
1957  
1967  
MINIMUM 28 10:06 PM -8 1983 25 3 24  
AVERAGE 34 31 3 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 2012 0.07 -0.07 0.00  
MONTH TO DATE 1.12 1.61 -0.49 0.99  
SINCE DEC 1 1.12 1.61 -0.49 0.99  
SINCE JAN 1 31.80 34.27 -2.47 32.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1910 0.7 -0.7 0.0  
MONTH TO DATE 4.2 13.6 -9.4 7.5  
SINCE DEC 1 4.2 13.6 -9.4 7.5  
SINCE JUL 1 17.4 20.1 -2.7 14.0  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 34 -3 35  
MONTH TO DATE 495 638 -143 593  
SINCE DEC 1 495 638 -143 593  
SINCE JUL 1 1598 1911 -313 1721  
 
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 4 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 10:00 PM  
LOWEST 59 2:00 PM  
AVERAGE 72  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 60 1967  
MINIMUM TEMPERATURE (F) 25 -3 1901  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 8:13 AM EST SUNSET 5:13 PM EST  
DECEMBER 22 2023......SUNRISE 8:14 AM EST SUNSET 5:13 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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