702  
CDUS43 KGRR 162134  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
534 PM EDT WED MAY 16 2012  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR MAY 16 2012
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 66 357 PM 89 1977 70 -4  
1962  
MINIMUM 46 552 AM 29 1997 48 -2  
AVERAGE 56 59 -3  
 
PRECIPITATION (IN)  
TODAY 0.01 1.97 1974 0.12 -0.11  
MONTH TO DATE 1.56 2.01 -0.45  
SINCE MAR 1 7.79 7.73 0.06  
SINCE JAN 1 12.99 11.61 1.38  
 
SNOWFALL (IN)  
TODAY MM T 1997 0.0 MM  
MONTH TO DATE T 0.0 0.0  
SINCE MAR 1 2.8 10.1 -7.3  
SINCE JUL 1 51.2 74.9 -23.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 2  
MONTH TO DATE 92 -60  
SINCE MAR 1 1049 -531  
SINCE JUL 1 5186 -1171  
 
COOLING  
TODAY 0 -1  
MONTH TO DATE 17 5  
SINCE MAR 1 44 24  
SINCE JAN 1 44 24    
...........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.8  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 32  
AVERAGE 55  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1962  
MINIMUM TEMPERATURE (F) 48 30 1973  
 
 
SUNRISE AND SUNSET  
MAY 16 2012...........SUNRISE 618 AM EDT SUNSET 900 PM EDT  
MAY 17 2012...........SUNRISE 617 AM EDT SUNSET 901 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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