476  
CDUS43 KGRR 130624  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
224 AM EDT SAT SEP 13 2025  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR SEPTEMBER 12 2025  
 
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)  
YESTERDAY  
MAXIMUM 81 3:49 PM 94 1874 75 6 84  
MINIMUM 53 6:40 AM 25 1864 53 0 56  
AVERAGE 67 64 3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 1896 0.08 -0.08 0.00  
MONTH TO DATE 1.05 1.08 -0.03 0.15  
SINCE SEP 1 1.05 1.08 -0.03 0.15  
SINCE JAN 1 19.94 24.08 -4.14 27.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 56 29 27 37  
SINCE SEP 1 56 29 27 37  
SINCE JUL 1 91 59 32 62  
 
COOLING  
YESTERDAY 2 2 0 5  
MONTH TO DATE 5 39 -34 20  
SINCE SEP 1 5 39 -34 20  
SINCE JAN 1 723 622 101 650    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 38 4:00 PM  
AVERAGE 67  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1874  
MINIMUM TEMPERATURE (F) 53 26 1873  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2025.....SUNRISE 7:16 AM EDT SUNSET 7:51 PM EDT  
SEPTEMBER 14 2025.....SUNRISE 7:17 AM EDT SUNSET 7:49 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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