227  
CXUS53 KDMX 011255 RRA  
CLMALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
753 AM CDT FRI SEP 1 2017  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2017  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 110 08/18/1936  
LOW 33 08/20/1950  
HIGHEST 87 08/20 93 -6 90 08/10  
LOWEST 47 08/23 47 0 54 08/21  
AVG. MAXIMUM 78.6 82.2 -3.6 81.7  
AVG. MINIMUM 55.5 60.2 -4.7 62.0  
MEAN 67.1 71.2 -4.1 71.9  
DAYS MAX >= 90 0 3.3 -3.3 1  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 10.33 2007  
MINIMUM 0.08 2003  
TOTALS 1.30 4.27 -2.97 5.22  
DAILY AVG. 0.04 0.14 -0.10 0.17  
DAYS >= .01 6 9.1 -3.1 9  
DAYS >= .10 3 6.0 -3.0 6  
DAYS >= .50 1 3.1 -2.1 3  
DAYS >= 1.00 0 1.3 -1.3 3  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM 5  
TOTALS 0.0 0.0 0.0 0.0  
SINCE 7/1 0.0 0.0 0.0 0.0  
SNOWDEPTH AVG. 0 MM MM 0  
DAYS >= 1.0 0 0.0 0.0 0  
GREATEST  
SNOW DEPTH 0 MM 0 MM  
24 HR TOTAL 0.0 08/31 TO 08/31  
 
DEGREE_DAYS  
HEATING TOTAL 17 16 1 3  
SINCE 7/1 17 20 -3 5  
COOLING TOTAL 89 208 -119 223  
SINCE 1/1 591 712 -121 753    
.............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.0  
HIGHEST WIND SPEED/DIRECTION 35/160 DATE 08/21  
HIGHEST GUST SPEED/DIRECTION 46/160 DATE 08/21  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.30  
NUMBER OF DAYS FAIR 18  
NUMBER OF DAYS PC 12  
NUMBER OF DAYS CLOUDY 1  
 
AVERAGE RH (PERCENT) 72  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 3 RAIN 3  
LIGHT RAIN 10 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 14 FOG W/VIS <= 1/4 MILE 4  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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