517  
CDUS43 KDMX 160638 RRB  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT SUN SEP 16 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 15 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 89 356 PM 100 1927 76 13 91  
MINIMUM 63 601 AM 30 2007 51 12 62  
AVERAGE 76 64 12 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.51 2016 0.08 -0.08 T  
MONTH TO DATE 7.74 1.38 6.36 T  
SINCE SEP 1 7.74 1.38 6.36 T  
SINCE JAN 1 37.85 27.66 10.19 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 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 4 -4 0  
MONTH TO DATE 17 38 -21 36  
SINCE SEP 1 17 38 -21 36  
SINCE JUL 1 26 58 -32 53  
 
COOLING  
YESTERDAY 11 3 8 12  
MONTH TO DATE 73 56 17 34  
SINCE SEP 1 73 56 17 34  
SINCE JAN 1 849 768 81 625    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 46 300 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 97 1931  
MINIMUM TEMPERATURE (F) 51 31 1984  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2018.....SUNRISE 651 AM CDT SUNSET 717 PM CDT  
SEPTEMBER 17 2018.....SUNRISE 652 AM CDT SUNSET 716 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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