371  
CDUS43 KGRR 100547  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1245 AM EST FRI JAN 10 2020  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR JANUARY 9 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49R 541 PM 48 1928 31 18 30  
MINIMUM 19 1249 AM -8 1977 20 -1 21  
AVERAGE 34 26 8 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.85 1946 0.07 -0.05 0.06  
MONTH TO DATE 0.04 0.65 -0.61 0.84  
SINCE DEC 1 3.85 3.20 0.65 3.03  
SINCE JAN 1 0.04 0.65 -0.61 0.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.4 1982 0.9 -0.9 1.9  
MONTH TO DATE T 8.1 -8.1 4.1  
SINCE DEC 1 12.4 37.0 -24.6 7.3  
SINCE JUL 1 23.3 43.2 -19.9 19.8  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 39 -8 39  
MONTH TO DATE 275 349 -74 285  
SINCE DEC 1 1245 1428 -183 1250  
SINCE JUL 1 2615 2795 -180 2666  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 18.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 100 AM  
LOWEST 48 100 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 58 1975  
MINIMUM TEMPERATURE (F) 20 -4 1982  
 
 
SUNRISE AND SUNSET  
JANUARY 10 2020.......SUNRISE 816 AM EST SUNSET 529 PM EST  
JANUARY 11 2020.......SUNRISE 816 AM EST SUNSET 530 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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