120  
CDUS43 KGRR 212106  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
505 PM EDT WED MAY 21 2008  
 
...................................  
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR MAY 21 2008
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1892 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 57 200 PM 91 1977 72 -15  
MINIMUM 42 MM 31 1969 48 -6  
AVERAGE 50 60 -10  
 
PRECIPITATION (IN)  
TODAY 0.00 2.46 2004 0.11 -0.11  
MONTH TO DATE 1.47 2.25 -0.78  
SINCE MAR 1 7.50 8.32 -0.82  
SINCE JAN 1 15.42 11.89 3.53  
 
SNOWFALL (IN)  
TODAY 0.0 T 2004 0.0 0.0  
MONTH TO DATE 0.0 T 0.0  
SINCE MAR 1 9.2 11.8 -2.6  
SINCE JUL 1 107.0 72.2 34.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 15 8  
MONTH TO DATE 231 28  
SINCE MAR 1 1652 -78  
SINCE JUL 1 6299 -487  
 
COOLING  
TODAY 0 -1  
MONTH TO DATE 0 -18  
SINCE MAR 1 3 -23  
SINCE JAN 1 3 -23    
...........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 12.8  
 
 
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67  
LOWEST 47  
AVERAGE 57  
 
..........................................................  
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1925  
MINIMUM TEMPERATURE (F) 49 34 1917  
 
 
SUNRISE AND SUNSET  
MAY 21 2008...........SUNRISE 613 AM EDT SUNSET 905 PM EDT  
MAY 22 2008...........SUNRISE 612 AM EDT SUNSET 906 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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