223  
CDUS43 KGRR 150529  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
1228 AM EST SUN DEC 15 2019  
 
   
...............................
 
 
   
..THE MUSKEGON MI CLIMATE SUMMARY FOR DECEMBER 14 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 36 1053 AM 59 2015 35 1 41  
MINIMUM 29 858 PM 1 2017 26 3 31  
1917  
AVERAGE 33 30 3 36  
 
PRECIPITATION (IN)  
YESTERDAY T 0.80 1975 0.09 -0.09 0.10  
1907  
MONTH TO DATE 1.29 1.29 0.00 1.04  
SINCE DEC 1 1.29 1.29 0.00 1.04  
SINCE JAN 1 45.45 32.23 13.22 41.08  
 
SNOWFALL (IN)  
YESTERDAY T 7.5 1989 1.0 -1.0 0.0  
MONTH TO DATE 4.4 11.8 -7.4 1.8  
SINCE DEC 1 4.4 11.8 -7.4 1.8  
SINCE JUL 1 15.3 18.0 -2.7 14.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 35 -3 29  
MONTH TO DATE 450 458 -8 455  
SINCE DEC 1 450 458 -8 455  
SINCE JUL 1 1820 1825 -5 1871  
 
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 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 78 700 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE MUSKEGON MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 58 1971  
MINIMUM TEMPERATURE (F) 25 -2 1943  
 
 
SUNRISE AND SUNSET  
DECEMBER 15 2019......SUNRISE 810 AM EST SUNSET 510 PM EST  
DECEMBER 16 2019......SUNRISE 810 AM EST SUNSET 511 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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