870  
CDUS43 KGRR 130527  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1227 AM EST FRI DEC 13 2024  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 12 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 19 12:28 AM 62 1949 37 -18 38  
MINIMUM 9 7:51 AM -24 1895 24 -15 27  
AVERAGE 14 30 -16 33  
 
PRECIPITATION (IN)  
YESTERDAY T 1.70 1946 0.06 -0.06 0.00  
MONTH TO DATE 0.33 0.78 -0.45 0.93  
SINCE DEC 1 0.33 0.78 -0.45 0.93  
SINCE JAN 1 31.84 32.21 -0.37 35.51  
 
SNOWFALL (IN)  
YESTERDAY T 5.2 2010 0.3 -0.3 0.0  
MONTH TO DATE 4.1 4.0 0.1 T  
SINCE DEC 1 4.1 4.0 0.1 T  
SINCE JUL 1 6.5 8.1 -1.6 2.3  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 51 35 16 32  
MONTH TO DATE 425 396 29 330  
SINCE DEC 1 425 396 29 330  
SINCE JUL 1 1462 1778 -316 1601  
 
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 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 4:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 69  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 63 2015  
MINIMUM TEMPERATURE (F) 24 -10 1867  
 
SUNRISE AND SUNSET  
DECEMBER 13 2024......SUNRISE 8:01 AM EST SUNSET 5:05 PM EST  
DECEMBER 14 2024......SUNRISE 8:02 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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