518  
CDUS43 KDMX 210703 RRB  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
203 AM CDT THU SEP 21 2017  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 238 PM 92 1908 74 11 86  
MINIMUM 65 1159 PM 27 1991 49 16 48  
AVERAGE 75 61 14 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.67 1965 0.09 0.02 0.00  
MONTH TO DATE 0.50 1.80 -1.30 3.44  
SINCE SEP 1 0.50 1.80 -1.30 3.44  
SINCE JAN 1 23.18 28.08 -4.90 32.13  
 
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 6 -6 0  
MONTH TO DATE 43 63 -20 10  
SINCE SEP 1 43 63 -20 10  
SINCE JUL 1 60 83 -23 15  
 
COOLING  
YESTERDAY 10 2 8 2  
MONTH TO DATE 53 66 -13 74  
SINCE SEP 1 53 66 -13 74  
SINCE JAN 1 644 778 -134 827    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 PM  
LOWEST 63 1100 AM  
AVERAGE 78  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1908  
MINIMUM TEMPERATURE (F) 48 27 1918  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 656 AM CDT SUNSET 708 PM CDT  
SEPTEMBER 22 2017.....SUNRISE 657 AM CDT SUNSET 706 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
SMALL  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page