580  
CDUS43 KGRR 170532  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
132 AM EDT SAT MAY 17 2025  
   
...............................  
 
   
..THE LANSING CLIMATE SUMMARY FOR MAY 16 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 82 3:43 PM 90 1977 70 12 76  
MINIMUM 56 5:56 AM 27 1866 48 8 43  
AVERAGE 69 58 11 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.73 1974 0.11 -0.11 0.01  
MONTH TO DATE 3.28 1.89 1.39 1.78  
SINCE MAR 1 8.98 7.28 1.70 7.58  
SINCE JAN 1 11.07 11.05 0.02 11.94  
 
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 MAR 1 0.2 7.6 -7.4 5.9  
SINCE JUL 1 37.7 50.2 -12.5 30.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 5  
MONTH TO DATE 121 158 -37 94  
SINCE MAR 1 1359 1627 -268 1275  
SINCE JUL 1 5044 6478 -1434 5413  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 15 10 5 4  
SINCE MAR 1 16 15 1 5  
SINCE JAN 1 16 15 1 5    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 31 1:00 PM  
AVERAGE 61  
   
......................................................  
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 1962  
1977  
MINIMUM TEMPERATURE (F) 48 28 1867  
1973  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 6:14 AM EDT SUNSET 8:57 PM EDT  
MAY 18 2025...........SUNRISE 6:13 AM EDT SUNSET 8:58 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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