467  
CDUS43 KGRR 180524  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1224 AM EST WED DEC 18 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 17 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 35 1237 PM 50 1939 35 0 41  
MINIMUM 20 856 AM 0 1973 25 -5 22  
AVERAGE 28 30 -2 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.61 1921 0.08 -0.06 0.00  
MONTH TO DATE 1.35 1.53 -0.18 1.04  
SINCE DEC 1 1.35 1.53 -0.18 1.04  
SINCE JAN 1 45.51 32.47 13.04 41.08  
 
SNOWFALL (IN)  
YESTERDAY 0.4 14.8 1963 1.0 -0.6 0.0  
MONTH TO DATE 5.8 14.9 -9.1 1.8  
SINCE DEC 1 5.8 14.9 -9.1 1.8  
SINCE JUL 1 16.7 21.1 -4.4 14.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 35 2 33  
MONTH TO DATE 561 563 -2 547  
SINCE DEC 1 561 563 -2 547  
SINCE JUL 1 1931 1930 1 1963  
 
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 8 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1200 AM  
LOWEST 53 1100 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 53 1939  
MINIMUM TEMPERATURE (F) 25 2 1945  
1922  
1919  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2019......SUNRISE 812 AM EST SUNSET 511 PM EST  
DECEMBER 19 2019......SUNRISE 812 AM EST SUNSET 512 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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