491  
CDUS43 KGRR 201327  
CLILAN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
927 AM EDT SUN MAY 20 2018  
 
   
...............................
 
 
   
..THE LANSING MI CLIMATE SUMMARY FOR MAY 20 2018
 
 
VALID AS OF 0900 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1864 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 58 205 AM 93 1977 70 -12 65  
MINIMUM 54 758 AM 25 1895 48 6 45  
AVERAGE 56 59 -3 55  
 
PRECIPITATION (IN)  
TODAY 0.00 1.94 1996 0.11 -0.11 0.34  
MONTH TO DATE 3.66 2.11 1.55 1.47  
SINCE MAR 1 8.02 7.20 0.82 9.76  
SINCE JAN 1 14.63 10.32 4.31 16.04  
 
SNOWFALL (IN)  
TODAY 0.0 T 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 8.0 8.9 -0.9 2.6  
SINCE JUL 1 53.3 51.1 2.2 30.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 7 2 10  
MONTH TO DATE 92 195 -103 218  
SINCE MAR 1 1806 1658 148 1517  
SINCE JUL 1 6584 6593 -9 5562  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 19 14 5 20  
SINCE MAR 1 19 21 -2 28  
SINCE JAN 1 19 21 -2 28    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.1  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 86 700 AM  
AVERAGE 90  
   
......................................................
 
 
 
THE LANSING MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 1977  
MINIMUM TEMPERATURE (F) 48 27 1869  
 
 
SUNRISE AND SUNSET  
MAY 20 2018...........SUNRISE 611 AM EDT SUNSET 859 PM EDT  
MAY 21 2018...........SUNRISE 610 AM EDT SUNSET 900 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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