139  
CDUS43 KDMX 150639  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
138 AM CDT TUE MAY 15 2012  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 14 2012
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 418 PM 94 1932 71 11 51  
MINIMUM 43 420 AM 28 1895 48 -5 45  
AVERAGE 63 60 3 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.33 1945 0.14 -0.14 0.60  
MONTH TO DATE 1.12 1.97 -0.85 0.99  
SINCE MAR 1 6.13 7.73 -1.60 6.52  
SINCE JAN 1 8.60 9.52 -0.92 9.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.1 6.3 -5.2 2.4  
SINCE JUL 1 25.8 34.5 -8.7 48.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 6 -4 17  
MONTH TO DATE 50 115 -65 142  
SINCE MAR 1 918 1512 -594 1628  
SINCE JUL 1 5697 6931 -1234 7230  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 29 14 15 28  
SINCE MAR 1 51 22 29 31  
SINCE JAN 1 51 22 29 31    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 6.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 21 200 PM  
AVERAGE 55  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 2001  
MINIMUM TEMPERATURE (F) 49 32 2004  
 
 
SUNRISE AND SUNSET  
MAY 15 2012...........SUNRISE 547 AM CDT SUNSET 825 PM CDT  
MAY 16 2012...........SUNRISE 546 AM CDT SUNSET 826 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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