378  
CDUS43 KGRR 120531  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1231 AM EST THU DEC 12 2024  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 11 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 33 1:54 AM 62 1949 37 -4 33  
MINIMUM 19 11:59 PM -16 1868 25 -6 26  
AVERAGE 26 31 -5 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 1.06 1970 0.06 0.06 0.00  
MONTH TO DATE 0.32 0.72 -0.40 0.93  
SINCE DEC 1 0.32 0.72 -0.40 0.93  
SINCE JAN 1 31.83 32.15 -0.32 35.51  
 
SNOWFALL (IN)  
YESTERDAY 1.0 14.5 2000 0.4 0.6 0.0  
MONTH TO DATE 4.1 3.7 0.4 T  
SINCE DEC 1 4.1 3.7 0.4 T  
SINCE JUL 1 6.5 7.8 -1.3 2.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 34 5 35  
MONTH TO DATE 374 361 13 298  
SINCE DEC 1 374 361 13 298  
SINCE JUL 1 1411 1743 -332 1569  
 
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 14 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 14.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAIL  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 65 10:00 PM  
AVERAGE 81  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 62 1949  
MINIMUM TEMPERATURE (F) 24 -24 1895  
 
SUNRISE AND SUNSET  
DECEMBER 12 2024......SUNRISE 8:00 AM EST SUNSET 5:05 PM EST  
DECEMBER 13 2024......SUNRISE 8:01 AM EST SUNSET 5:05 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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