447  
CDUS43 KDMX 180630 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT TUE SEP 18 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 17 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 92 213 PM 95 1988 75 17 72  
1925  
MINIMUM 64 620 AM 32 1916 50 14 52  
AVERAGE 78 63 15 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.06 1914 0.08 -0.08 0.31  
MONTH TO DATE 7.74 1.54 6.20 0.37  
SINCE SEP 1 7.74 1.54 6.20 0.37  
SINCE JAN 1 37.85 27.82 10.03 23.05  
 
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 3  
MONTH TO DATE 17 47 -30 39  
SINCE SEP 1 17 47 -30 39  
SINCE JUL 1 26 67 -41 56  
 
COOLING  
YESTERDAY 13 2 11 0  
MONTH TO DATE 95 60 35 42  
SINCE SEP 1 95 60 35 42  
SINCE JAN 1 871 772 99 633    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 44 100 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1955  
MINIMUM TEMPERATURE (F) 50 28 1929  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2018.....SUNRISE 653 AM CDT SUNSET 714 PM CDT  
SEPTEMBER 19 2018.....SUNRISE 654 AM CDT SUNSET 712 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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