722  
CDUS43 KGRR 210516  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
116 AM EDT THU SEP 21 2017  
 
   
...............................
 
 
   
..THE LANSING MI CLIMATE SUMMARY FOR SEPTEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1864 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 350 PM 94 1895 71 16 82  
MINIMUM 66 407 AM 22 1868 49 17 57  
AVERAGE 77 60 17 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.27 1965 0.13 -0.13 T  
MONTH TO DATE 0.35 2.32 -1.97 1.43  
SINCE SEP 1 0.35 2.32 -1.97 1.43  
SINCE JAN 1 25.65 23.41 2.24 24.91  
 
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 6 -6 0  
MONTH TO DATE 76 73 3 10  
SINCE SEP 1 76 73 3 10  
SINCE JUL 1 105 108 -3 13  
 
COOLING  
YESTERDAY 12 1 11 5  
MONTH TO DATE 46 52 -6 79  
SINCE SEP 1 46 52 -6 79  
SINCE JAN 1 680 609 71 845    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 40 300 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE LANSING MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1895  
MINIMUM TEMPERATURE (F) 49 19 1863  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 725 AM EDT SUNSET 737 PM EDT  
SEPTEMBER 22 2017.....SUNRISE 726 AM EDT SUNSET 735 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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