063  
CDUS43 KGRR 092230  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
530 PM EST TUE DEC 09 2025  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR DECEMBER 9 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1864 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 32 4:59 PM 59 2023 38 -6 51  
MINIMUM 14 12:14 AM -17 1864 25 -11 36  
AVERAGE 23 31 -8 44  
 
PRECIPITATION (IN)  
TODAY 0.04 1.54 1879 0.06 -0.02 0.02  
MONTH TO DATE 0.24 0.59 -0.35 0.19  
SINCE DEC 1 0.24 0.59 -0.35 0.19  
SINCE JAN 1 25.98 32.02 -6.04 31.70  
 
SNOWFALL (IN)  
TODAY 0.5 5.0 1868 0.4 0.1 0.0  
MONTH TO DATE 2.7 3.0 -0.3 3.1  
SINCE DEC 1 2.7 3.0 -0.3 3.1  
SINCE JUL 1 11.8 7.1 4.7 5.5  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
TODAY 42 34 8 21  
MONTH TO DATE 410 293 117 308  
SINCE DEC 1 410 293 117 308  
SINCE JUL 1 1668 1675 -7 1345  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 803 657 146 723    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
SNOW  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 AM  
LOWEST 59 6:00 AM  
AVERAGE 74  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 63 1971  
MINIMUM TEMPERATURE (F) 25 -24 1868  
 
SUNRISE AND SUNSET  
DECEMBER 9 2025......SUNRISE 7:57 AM EST SUNSET 5:04 PM EST  
DECEMBER 10 2025......SUNRISE 7:58 AM EST SUNSET 5:04 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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