645  
CDUS43 KGRR 180534  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1234 AM EST WED DEC 18 2024  
   
...............................
 
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1864 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 4:14 AM 53 1921 35 6 46  
MINIMUM 34 11:59 PM -14 1884 23 11 38  
AVERAGE 38 29 9 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 1895 0.05 -0.05 0.08  
MONTH TO DATE 0.65 1.05 -0.40 1.02  
SINCE DEC 1 0.65 1.05 -0.40 1.02  
SINCE JAN 1 32.16 32.48 -0.32 35.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1876 0.4 -0.4 0.0  
MONTH TO DATE 4.1 5.8 -1.7 T  
SINCE DEC 1 4.1 5.8 -1.7 T  
SINCE JUL 1 6.5 9.9 -3.4 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 36 -9 23  
MONTH TO DATE 592 573 19 458  
SINCE DEC 1 592 573 19 458  
SINCE JUL 1 1629 1955 -326 1729  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 723 657 66 701    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 12:00 AM  
LOWEST 72 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 55 1895  
MINIMUM TEMPERATURE (F) 23 -25 1884  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 8:04 AM EST SUNSET 5:06 PM EST  
DECEMBER 19 2024......SUNRISE 8:05 AM EST SUNSET 5:07 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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