348  
CDUS43 KGRR 172239  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
539 PM EST SUN DEC 17 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 46 1:34 PM 54 2006 36 10 28  
MINIMUM 42 4:59 PM -5 1973 24 18 24  
AVERAGE 44 30 14 26  
 
PRECIPITATION (IN)  
TODAY 0.05 1.37 1921 0.08 -0.03 0.43  
MONTH TO DATE 0.93 1.39 -0.46 1.31  
SINCE DEC 1 0.93 1.39 -0.46 1.31  
SINCE JAN 1 35.78 38.31 -2.53 36.29  
 
SNOWFALL (IN)  
TODAY 0.0 10.4 2022 0.7 -0.7 10.4  
MONTH TO DATE 0.1 10.4 -10.3 14.4  
SINCE DEC 1 0.1 10.4 -10.3 14.4  
SINCE JUL 1 2.0 17.8 -15.8 42.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 35 -14 39  
MONTH TO DATE 451 559 -108 529  
SINCE DEC 1 451 559 -108 529  
SINCE JUL 1 1696 1872 -176 1803  
 
COOLING  
TODAY 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 7 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 79 1:00 PM  
AVERAGE 90  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 55 1939  
MINIMUM TEMPERATURE (F) 24 -5 1926  
 
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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