071  
CDUS43 KDMX 190649  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
145 AM CDT WED SEP 19 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 18 2018
 
 
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)  
YESTERDAY  
MAXIMUM 69 401 PM 93 1955 75 -6 73  
MINIMUM 60 1159 PM 28 1929 50 10 49  
AVERAGE 65 62 3 61  
 
PRECIPITATION (IN)  
YESTERDAY 1.34R 1.34 1900 0.09 1.25 0.02  
MONTH TO DATE 9.08 1.63 7.45 0.39  
SINCE SEP 1 9.08 1.63 7.45 0.39  
SINCE JAN 1 39.19 27.91 11.28 23.07  
 
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 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 0 5 -5 4  
MONTH TO DATE 17 52 -35 43  
SINCE SEP 1 17 52 -35 43  
SINCE JUL 1 26 72 -46 60  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 95 62 33 42  
SINCE SEP 1 95 62 33 42  
SINCE JAN 1 871 774 97 633    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 PM  
LOWEST 78 300 PM  
AVERAGE 89  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 1925  
MINIMUM TEMPERATURE (F) 49 32 1991  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2018.....SUNRISE 654 AM CDT SUNSET 712 PM CDT  
SEPTEMBER 20 2018.....SUNRISE 655 AM CDT SUNSET 710 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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