103  
CDUS43 KGRR 132226  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
526 PM EST FRI DEC 13 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 13 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 42 315 PM 63 2015 36 6 40  
MINIMUM 38 939 AM 1 1958 26 12 30  
1956  
AVERAGE 40 31 9 35  
 
PRECIPITATION (IN)  
TODAY 0.00 1.02 2015 0.08 -0.08 0.01  
MONTH TO DATE 1.29 1.20 0.09 0.94  
SINCE DEC 1 1.29 1.20 0.09 0.94  
SINCE JAN 1 45.45 32.14 13.31 40.98  
 
SNOWFALL (IN)  
TODAY 0.0 5.5 1962 1.1 -1.1 0.0  
MONTH TO DATE 4.4 10.8 -6.4 1.8  
SINCE DEC 1 4.4 10.8 -6.4 1.8  
SINCE JUL 1 15.3 17.0 -1.7 14.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 34 -9 30  
MONTH TO DATE 413 423 -10 426  
SINCE DEC 1 413 423 -10 426  
SINCE JUL 1 1783 1790 -7 1842  
 
COOLING  
TODAY 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 10 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 900 AM  
LOWEST 62 1200 AM  
AVERAGE 74  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 59 2015  
MINIMUM TEMPERATURE (F) 26 1 2017  
1917  
 
 
SUNRISE AND SUNSET  
DECEMBER 13 2019......SUNRISE 808 AM EST SUNSET 510 PM EST  
DECEMBER 14 2019......SUNRISE 809 AM EST SUNSET 510 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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