405  
CDUS43 KGRR 170535  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1235 AM EST TUE DEC 17 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 16 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 32 424 PM 58 1984 35 -3 43  
MINIMUM 23 1026 PM 2 1943 25 -2 26  
AVERAGE 28 30 -2 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.60 1911 0.08 -0.06 0.00  
MONTH TO DATE 1.33 1.45 -0.12 1.04  
SINCE DEC 1 1.33 1.45 -0.12 1.04  
SINCE JAN 1 45.49 32.39 13.10 41.08  
 
SNOWFALL (IN)  
YESTERDAY 0.6 11.7 1963 1.1 -0.5 0.0  
MONTH TO DATE 5.4 13.9 -8.5 1.8  
SINCE DEC 1 5.4 13.9 -8.5 1.8  
SINCE JUL 1 16.3 20.1 -3.8 14.3  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 35 2 30  
MONTH TO DATE 524 528 -4 514  
SINCE DEC 1 524 528 -4 514  
SINCE JUL 1 1894 1895 -1 1930  
 
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 1 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 700 AM  
LOWEST 63 100 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 50 1939  
MINIMUM TEMPERATURE (F) 25 0 1973  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2019......SUNRISE 811 AM EST SUNSET 511 PM EST  
DECEMBER 18 2019......SUNRISE 812 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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