100  
CDUS43 KGRR 190529  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1229 AM EST THU DEC 19 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 18 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 29 1250 AM 53 1939 34 -5 39  
MINIMUM 14 1025 PM 2 1945 25 -11 19  
1922  
1919  
AVERAGE 22 29 -7 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.64 2002 0.08 -0.05 0.00  
MONTH TO DATE 1.38 1.61 -0.23 1.04  
SINCE DEC 1 1.38 1.61 -0.23 1.04  
SINCE JAN 1 45.54 32.55 12.99 41.08  
 
SNOWFALL (IN)  
YESTERDAY 0.5 7.5 1963 1.0 -0.5 0.0  
MONTH TO DATE 6.3 15.9 -9.6 1.8  
SINCE DEC 1 6.3 15.9 -9.6 1.8  
SINCE JUL 1 17.2 22.1 -4.9 14.3  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 36 7 36  
MONTH TO DATE 604 599 5 583  
SINCE DEC 1 604 599 5 583  
SINCE JUL 1 1974 1966 8 1999  
 
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 11 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 13.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 1100 AM  
LOWEST 52 400 AM  
AVERAGE 63  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 53 2002  
MINIMUM TEMPERATURE (F) 24 -4 1996  
1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 19 2019......SUNRISE 812 AM EST SUNSET 512 PM EST  
DECEMBER 20 2019......SUNRISE 813 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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