806  
CDUS43 KDMX 010639  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT SAT SEP 1 2018  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 31 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 82 134 PM 99 2000 80 2 74  
MINIMUM 66 630 AM 36 1915 57 9 50  
AVERAGE 74 69 5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.96 2010 0.12 -0.12 0.01  
MONTH TO DATE 6.08 4.27 1.81 1.30  
SINCE JUN 1 19.21 14.16 5.05 9.66  
SINCE JAN 1 30.11 26.28 3.83 22.68  
 
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 JUN 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 1 -1 3  
MONTH TO DATE 8 14 -6 17  
SINCE JUN 1 12 46 -34 34  
SINCE JUL 1 9 20 -11 17  
 
COOLING  
YESTERDAY 9 5 4 0  
MONTH TO DATE 202 208 -6 89  
SINCE JUN 1 651 656 -5 555  
SINCE JAN 1 776 712 64 591    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 12.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 62 100 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 100 1913  
MINIMUM TEMPERATURE (F) 57 36 1967  
1949  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2018.....SUNRISE 635 AM CDT SUNSET 744 PM CDT  
SEPTEMBER 2 2018.....SUNRISE 636 AM CDT SUNSET 742 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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