565  
CDUS43 KGRR 210120  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
920 PM EDT SAT SEP 20 2025  
   
...............................
 
 
   
..THE LANSING CLIMATE SUMMARY FOR SEPTEMBER 20 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 81 4:29 PM 94 1895 72 9 86  
MINIMUM 54 6:52 AM 22 1868 50 4 63  
AVERAGE 68 61 7 75  
 
PRECIPITATION (IN)  
TODAY 0.00 2.43 2018 0.10 -0.10 0.00  
MONTH TO DATE 1.05 1.82 -0.77 0.15  
SINCE SEP 1 1.05 1.82 -0.77 0.15  
SINCE JAN 1 19.94 24.82 -4.88 27.03  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 6 -6 0  
MONTH TO DATE 56 66 -10 37  
SINCE SEP 1 56 66 -10 37  
SINCE JUL 1 91 96 -5 62  
 
COOLING  
TODAY 3 2 1 10  
MONTH TO DATE 31 55 -24 65  
SINCE SEP 1 31 55 -24 65  
SINCE JAN 1 749 638 111 695    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE LANSING CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 2017  
MINIMUM TEMPERATURE (F) 50 19 1863  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 7:24 AM EDT SUNSET 7:39 PM EDT  
SEPTEMBER 21 2025.....SUNRISE 7:25 AM EDT SUNSET 7:37 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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