504  
CDUS43 KGRR 240513  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
112 AM EDT SUN MAY 24 2015  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR MAY 23 2015
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2015  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 540 PM 90 1977 72 6 71  
MINIMUM 40 342 AM 30 1963 50 -10 50  
AVERAGE 59 61 -2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.26 1904 0.14 -0.14 0.00  
MONTH TO DATE 2.05 2.96 -0.91 3.31  
SINCE MAR 1 7.17 8.68 -1.51 7.47  
SINCE JAN 1 10.21 12.56 -2.35 13.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1917 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 3.3 10.1 -6.8 8.2  
SINCE JUL 1 78.1 74.9 3.2 116.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 6 0 4  
MONTH TO DATE 151 197 -46 216  
SINCE MAR 1 1666 1625 41 1916  
SINCE JUL 1 6968 6402 566 7197  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 29 21 8 19  
SINCE MAR 1 29 29 0 21  
SINCE JAN 1 29 29 0 21    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE 97 PERCENT  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 100 AM  
LOWEST 21 100 PM  
AVERAGE 49  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 89 2010  
2007  
1977  
MINIMUM TEMPERATURE (F) 50 33 1963  
1925  
 
 
SUNRISE AND SUNSET  
MAY 24 2015...........SUNRISE 611 AM EDT SUNSET 907 PM EDT  
MAY 25 2015...........SUNRISE 611 AM EDT SUNSET 908 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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