356  
CDUS43 KGRR 130530  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
130 AM EDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE LANSING CLIMATE SUMMARY FOR MAY 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 3:35 PM 90 1879 68 13 72  
MINIMUM 45 3:29 AM 28 1934 46 -1 40  
1996  
AVERAGE 63 57 6 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 1882 0.11 -0.11 0.00  
MONTH TO DATE 2.63 1.42 1.21 1.62  
SINCE MAR 1 8.33 6.81 1.52 7.42  
SINCE JAN 1 10.42 10.58 -0.16 11.78  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2020 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 2 9 -7 9  
MONTH TO DATE 121 126 -5 75  
SINCE MAR 1 1359 1595 -236 1256  
SINCE JUL 1 5044 6446 -1402 5394  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 6 -6 0  
SINCE MAR 1 1 11 -10 1  
SINCE JAN 1 1 11 -10 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 4:00 AM  
LOWEST 29 3:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE LANSING CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1879  
MINIMUM TEMPERATURE (F) 47 25 1996  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 6:18 AM EDT SUNSET 8:53 PM EDT  
MAY 14 2025...........SUNRISE 6:17 AM EDT SUNSET 8:54 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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