552  
CDUS43 KDMX 202236  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
535 PM CDT THU SEP 20 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 20 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 335 PM 94 1908 74 16 85  
MINIMUM 65 616 AM 27 1991 49 16 65  
AVERAGE 78 61 17 75  
 
PRECIPITATION (IN)  
TODAY 0.49 2.65 1923 0.09 0.40 0.11  
MONTH TO DATE 11.35 1.80 9.55 0.50  
SINCE SEP 1 11.35 1.80 9.55 0.50  
SINCE JAN 1 41.46 28.08 13.38 23.18  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
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  
TODAY 0 6 -6 0  
MONTH TO DATE 17 63 -46 43  
SINCE SEP 1 17 63 -46 43  
SINCE JUL 1 26 83 -57 60  
 
COOLING  
TODAY 13 2 11 10  
MONTH TO DATE 110 66 44 53  
SINCE SEP 1 110 66 44 53  
SINCE JAN 1 886 778 108 644    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 14.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 47 300 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 93 1937  
MINIMUM TEMPERATURE (F) 48 27 1918  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2018.....SUNRISE 655 AM CDT SUNSET 710 PM CDT  
SEPTEMBER 21 2018.....SUNRISE 656 AM CDT SUNSET 709 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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