071  
CXUS53 KDMX 011344  
CLMALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
844 AM CDT SAT JUN 1 2013  
   
...............................  
 
   
..THE WATERLOO CLIMATE SUMMARY FOR THE MONTH OF MAY 2013  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2013  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 108 05/31/1934  
LOW 22 05/03/2005  
05/04/1907  
HIGHEST 96 05/14 88 8 92 05/27  
LOWEST 32 05/13 33 -1 40 05/13  
05/03 05/10  
05/02  
AVG. MAXIMUM 69.8 72.0 -2.2 77.9  
AVG. MINIMUM 48.6 49.0 -0.4 52.4  
MEAN 59.2 60.5 -1.3 65.1  
DAYS MAX >= 90 1 0.6 0.4 2  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 3 0.6 2.4 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 11.36 2004  
MINIMUM 0.65 1934  
TOTALS 10.81 4.53 6.28 3.20  
DAILY AVG. 0.35 0.15 0.20 0.10  
DAYS >= .01 16 12.4 3.6 12  
DAYS >= .10 10 8.1 1.9 8  
DAYS >= .50 7 2.7 4.3 3  
DAYS >= 1.00 4 1.3 2.7 0  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 2.0 5  
0  
-26215  
TOTALS 1.7 0.0 1.7 0.0  
SINCE 7/1 50.0 35.3 14.7 25.8  
SNOWDEPTH AVG. 0 MM MM 0  
DAYS >= 1.0 1 0.0 1.0 0  
GREATEST  
SNOW DEPTH 2R 05/03 0 MM  
24 HR TOTAL 1.2 MM  
 
DEGREE_DAYS  
HEATING TOTAL 222 188 34 87  
SINCE 7/1 7233 7004 229 5734  
COOLING TOTAL 49 48 1 101  
SINCE 1/1 53 56 -3 123    
.............................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 10.8  
HIGHEST WIND SPEED/DIRECTION 37/270 DATE 05/29  
HIGHEST GUST SPEED/DIRECTION 51/310 DATE 05/19  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.50  
NUMBER OF DAYS FAIR 13  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 9  
 
AVERAGE RH (PERCENT) 72  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 9 RAIN 9  
LIGHT RAIN 16 FREEZING RAIN 0  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 2 SLEET 0  
FOG 19 FOG W/VIS <= 1/4 MILE 0  
HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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