645  
CDUS43 KGRR 180542  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1242 AM EST MON DEC 18 2023  
   
...............................
 
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1864 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 1:41 PM 53 1921 35 11 29  
MINIMUM 38 11:59 PM -14 1884 23 15 26  
AVERAGE 42 29 13 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.65 1895 0.05 0.03 0.01  
MONTH TO DATE 1.02 1.05 -0.03 0.45  
SINCE DEC 1 1.02 1.05 -0.03 0.45  
SINCE JAN 1 35.60 32.48 3.12 31.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1876 0.4 -0.4 0.3  
MONTH TO DATE T 5.8 -5.8 2.7  
SINCE DEC 1 T 5.8 -5.8 2.7  
SINCE JUL 1 2.3 9.9 -7.6 12.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 36 -13 37  
MONTH TO DATE 458 573 -115 513  
SINCE DEC 1 458 573 -115 513  
SINCE JUL 1 1729 1955 -226 1712  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 701 657 44 918    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 73 12:00 AM  
AVERAGE 85  
   
......................................................
 
 
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 2023......SUNRISE 8:04 AM EST SUNSET 5:06 PM EST  
DECEMBER 19 2023......SUNRISE 8:04 AM EST SUNSET 5:06 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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