937  
CDUS43 KGRR 310522  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1221 AM EST TUE DEC 31 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 30 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 49 1208 AM 53 1965 32 17 36  
MINIMUM 31 1159 PM -11 1976 22 9 28  
AVERAGE 40 27 13 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.95 1.45 1972 0.07 0.88 T  
MONTH TO DATE 3.67 2.48 1.19 1.64  
SINCE DEC 1 3.67 2.48 1.19 1.64  
SINCE JAN 1 47.83 33.42 14.41 41.68  
 
SNOWFALL (IN)  
YESTERDAY 2.0 3.9 1993 1.0 1.0 T  
MONTH TO DATE 8.3 27.9 -19.6 3.2  
SINCE DEC 1 8.3 27.9 -19.6 3.2  
SINCE JUL 1 19.2 34.1 -14.9 15.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 38 -13 33  
MONTH TO DATE 935 1042 -107 932  
SINCE DEC 1 935 1042 -107 932  
SINCE JUL 1 2305 2409 -104 2348  
 
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 14 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 20.3  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
SLEET  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 64 1200 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 58 2010  
MINIMUM TEMPERATURE (F) 22 -15 1976  
 
 
SUNRISE AND SUNSET  
DECEMBER 31 2019......SUNRISE 817 AM EST SUNSET 519 PM EST  
JANUARY 1 2020.......SUNRISE 817 AM EST SUNSET 520 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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