021  
CDUS43 KGRR 120624  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
224 AM EDT TUE AUG 12 2025  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR AUGUST 11 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 91 2:27 PM 101 1864 81 10 75  
1874  
MINIMUM 72 11:20 PM 39 1865 60 12 58  
1868  
AVERAGE 82 71 11 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1948 0.12 -0.12 0.00  
MONTH TO DATE 0.01 1.29 -1.28 1.51  
SINCE JUN 1 5.16 7.99 -2.83 12.20  
SINCE JAN 1 17.49 20.81 -3.32 25.14  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 26 58 -32 34  
SINCE JUL 1 0 10 -10 9  
 
COOLING  
YESTERDAY 17 6 11 2  
MONTH TO DATE 103 71 32 61  
SINCE JUN 1 610 431 179 462  
SINCE JAN 1 626 477 149 501    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 47 4:00 PM  
AVERAGE 67  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1864  
MINIMUM TEMPERATURE (F) 60 37 1868  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 6:42 AM EDT SUNSET 8:44 PM EDT  
AUGUST 13 2025........SUNRISE 6:43 AM EDT SUNSET 8:43 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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