475  
CDUS43 KDMX 180638  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT SUN OCT 18 2009  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR OCTOBER 17 2009
 
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1895 TO 2009  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 415 PM 86 1910 62 -16 50  
MINIMUM 29 529 AM 21 1943 37 -8 34  
AVERAGE 38 50 -12 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.15 1898 0.08 -0.08 0.03  
MONTH TO DATE 2.26 1.37 0.89 1.32  
SINCE SEP 1 4.35 4.32 0.03 3.91  
SINCE JAN 1 32.35 28.82 3.53 41.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2002 0.0 0.0 0.0  
1990  
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 27 16 11 23  
MONTH TO DATE 379 211 168 185  
SINCE SEP 1 462 366 96 281  
SINCE JUL 1 509 393 116 285  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 7 -7 9  
SINCE SEP 1 27 77 -50 69  
SINCE JAN 1 455 758 -303 679    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 58 400 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 87 1950  
MINIMUM TEMPERATURE (F) 37 18 1952  
 
 
SUNRISE AND SUNSET  
OCTOBER 18 2009.......SUNRISE 726 AM CDT SUNSET 622 PM CDT  
OCTOBER 19 2009.......SUNRISE 728 AM CDT SUNSET 621 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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