339  
CDUS43 KGRR 200546  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1246 AM EST FRI DEC 20 2024  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 19 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 31 3:10 PM 58 1877 35 -4 32  
MINIMUM 26 8:34 AM -17 1884 23 3 25  
AVERAGE 29 29 0 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.09 1895 0.06 -0.02 0.00  
MONTH TO DATE 0.70 1.17 -0.47 1.15  
SINCE DEC 1 0.70 1.17 -0.47 1.15  
SINCE JAN 1 32.21 32.60 -0.39 35.73  
 
SNOWFALL (IN)  
YESTERDAY 0.9 7.0 2008 0.3 0.6 0.0  
MONTH TO DATE 5.0 6.5 -1.5 2.5  
SINCE DEC 1 5.0 6.5 -1.5 2.5  
SINCE JUL 1 7.4 10.6 -3.2 4.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 36 0 36  
MONTH TO DATE 660 645 15 526  
SINCE DEC 1 660 645 15 526  
SINCE JUL 1 1697 2027 -330 1797  
 
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 4 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 5:00 PM  
LOWEST 60 4:00 AM  
AVERAGE 76  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 59 1957  
MINIMUM TEMPERATURE (F) 22 -10 1876  
1901  
 
SUNRISE AND SUNSET  
DECEMBER 20 2024......SUNRISE 8:05 AM EST SUNSET 5:07 PM EST  
DECEMBER 21 2024......SUNRISE 8:06 AM EST SUNSET 5:08 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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