279  
CDUS43 KGRR 160555  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1255 AM EST MON DEC 16 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 15 2019
 
 
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)  
YESTERDAY  
MAXIMUM 30 1230 PM 58 1971 35 -5 44  
MINIMUM 25 559 PM -2 1943 25 0 27  
AVERAGE 28 30 -2 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.48 1971 0.08 -0.07 0.00  
MONTH TO DATE 1.30 1.37 -0.07 1.04  
SINCE DEC 1 1.30 1.37 -0.07 1.04  
SINCE JAN 1 45.46 32.31 13.15 41.08  
 
SNOWFALL (IN)  
YESTERDAY 0.2 12.1 1987 1.0 -0.8 0.0  
MONTH TO DATE 4.6 12.8 -8.2 1.8  
SINCE DEC 1 4.6 12.8 -8.2 1.8  
SINCE JUL 1 15.5 19.0 -3.5 14.3  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 35 2 29  
MONTH TO DATE 487 493 -6 484  
SINCE DEC 1 487 493 -6 484  
SINCE JUL 1 1857 1860 -3 1900  
 
COOLING  
YESTERDAY 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 7 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 58 200 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 58 1984  
MINIMUM TEMPERATURE (F) 25 2 1943  
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2019......SUNRISE 810 AM EST SUNSET 511 PM EST  
DECEMBER 17 2019......SUNRISE 811 AM EST SUNSET 511 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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