415  
CXUS53 KDMX 011756  
CLMALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1256 PM CDT THU JUN 01 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR THE MONTH OF MAY 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 108 05/31/1934  
LOW 22  
HIGHEST 93 05/31 88 5  
LOWEST 28 05/03 33 -5  
MEAN 64.4 61.5 2.9  
DAYS MAX >= 90 2 0.8 1.2  
DAYS MAX <= 32 0 0.0 0.0  
DAYS MIN <= 32 1 1.0 0.0  
DAYS MIN <= 0 0 0.0 0.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 11.36 2004  
MINIMUM 0.65 1934  
TOTALS 1.75 4.61 -2.86  
DAILY AVG. 0.06 0.15 -0.09  
DAYS >= .01 9  
DAYS >= .10 7  
DAYS >= .50 1  
DAYS >= 1.00 0  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.1 -0.1  
SINCE 7/1 38.5 39.1 -0.6  
 
DEGREE DAYS  
HEATING TOTAL 85 173 -88  
SINCE 7/1 6515 6696 -181  
COOLING TOTAL 74 64 10  
SINCE 1/1 92 72 20    
..........................................................
 
 
WIND (MPH)  
HIGHEST GUST SPEED/DIRECTION 50/310 DATE 05/01  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 5 HAIL 0  
SLEET 0 FOG 9  
FOG W/VIS <= 1/4 MILE 1 HAZE 7  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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