350  
CDUS43 KGRR 170540  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1240 AM EST SUN DEC 17 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 16 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 2:20 PM 63 2021 36 17 33  
MINIMUM 38 8:44 AM -2 1901 25 13 27  
1989  
AVERAGE 46 30 16 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.97 1921 0.07 -0.04 0.19  
MONTH TO DATE 0.88 1.31 -0.43 0.88  
SINCE DEC 1 0.88 1.31 -0.43 0.88  
SINCE JAN 1 35.73 38.23 -2.50 35.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.7 1911 0.7 -0.7 2.7  
MONTH TO DATE 0.1 9.7 -9.6 4.0  
SINCE DEC 1 0.1 9.7 -9.6 4.0  
SINCE JUL 1 2.0 17.1 -15.1 32.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 35 -16 35  
MONTH TO DATE 430 524 -94 490  
SINCE DEC 1 430 524 -94 490  
SINCE JUL 1 1675 1837 -162 1764  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 668 733 -65 800    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE 97 MINS / 21 PERCENT  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 11:00 PM  
LOWEST 43 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 54 2006  
MINIMUM TEMPERATURE (F) 24 -5 1973  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 8:07 AM EST SUNSET 5:09 PM EST  
DECEMBER 18 2023......SUNRISE 8:08 AM EST SUNSET 5:09 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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