440  
CDUS43 KDMX 220633 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT SAT SEP 22 2018  
 
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 21 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 67 237 AM 93 1937 73 -6 91  
MINIMUM 44 1159 PM 27 1918 48 -4 61  
AVERAGE 56 61 -5 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 3.08 1950 0.09 -0.07 0.00  
MONTH TO DATE 11.75 1.89 9.86 0.50  
SINCE SEP 1 11.75 1.89 9.86 0.50  
SINCE JAN 1 41.86 28.17 13.69 23.18  
 
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 9 6 3 0  
MONTH TO DATE 26 69 -43 43  
SINCE SEP 1 26 69 -43 43  
SINCE JUL 1 35 89 -54 60  
 
COOLING  
YESTERDAY 0 2 -2 11  
MONTH TO DATE 110 68 42 64  
SINCE SEP 1 110 68 42 64  
SINCE JAN 1 886 780 106 655    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 14.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 60 100 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1937  
MINIMUM TEMPERATURE (F) 48 26 1974  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2018.....SUNRISE 657 AM CDT SUNSET 707 PM CDT  
SEPTEMBER 23 2018.....SUNRISE 658 AM CDT SUNSET 705 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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