272  
CDUS43 KGRR 202225  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
525 PM EST FRI DEC 20 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 20 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 37 351 PM 52 1967 34 3 48  
1957  
1949  
MINIMUM 24 211 AM -8 1983 24 0 40  
AVERAGE 31 29 2 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 2012 0.08 -0.08 0.00  
MONTH TO DATE 1.38 1.76 -0.38 1.04  
SINCE DEC 1 1.38 1.76 -0.38 1.04  
SINCE JAN 1 45.54 32.70 12.84 41.08  
 
SNOWFALL (IN)  
TODAY 0.0 6.0 1910 1.0 -1.0 0.0  
MONTH TO DATE 6.3 18.0 -11.7 1.8  
SINCE DEC 1 6.3 18.0 -11.7 1.8  
SINCE JUL 1 17.2 24.2 -7.0 14.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 36 -2 21  
MONTH TO DATE 678 671 7 627  
SINCE DEC 1 678 671 7 627  
SINCE JUL 1 2048 2038 10 2043  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 640 566 74 912    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 600 AM  
LOWEST 52 200 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 60 1967  
MINIMUM TEMPERATURE (F) 24 -3 1901  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2019......SUNRISE 813 AM EST SUNSET 512 PM EST  
DECEMBER 21 2019......SUNRISE 813 AM EST SUNSET 513 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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