438  
CDUS43 KGRR 170540  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1240 AM EST SUN DEC 17 2023  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 16 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 49 3:44 PM 63 2021 35 14 34  
MINIMUM 35 6:30 AM -11 1876 23 12 28  
AVERAGE 42 29 13 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.69 1921 0.06 -0.05 0.02  
MONTH TO DATE 0.94 1.00 -0.06 0.44  
SINCE DEC 1 0.94 1.00 -0.06 0.44  
SINCE JAN 1 35.52 32.43 3.09 30.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.2 2007 0.3 -0.3 0.9  
MONTH TO DATE T 5.4 -5.4 2.4  
SINCE DEC 1 T 5.4 -5.4 2.4  
SINCE JUL 1 2.3 9.5 -7.2 12.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 36 -13 34  
MONTH TO DATE 435 537 -102 476  
SINCE DEC 1 435 537 -102 476  
SINCE JUL 1 1706 1919 -213 1675  
 
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 8 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 7:00 AM  
LOWEST 47 1:00 PM  
AVERAGE 60  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 53 1921  
MINIMUM TEMPERATURE (F) 23 -14 1884  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 8:03 AM EST SUNSET 5:06 PM EST  
DECEMBER 18 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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