723  
CXUS53 KDMX 012116  
CLMALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
416 PM CDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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 102 09/07/1939  
09/06/1922  
LOW 19  
HIGHEST 100 09/03 90 10  
09/04  
LOWEST 41 09/18 33 8  
MEAN 69.5 64.6 4.9  
DAYS MAX >= 90 7 1.7 5.3  
DAYS MAX <= 32 0 0.0 0.0  
DAYS MIN <= 32 0 0.6 -0.6  
DAYS MIN <= 0 0 0.0 0.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 13.35 2018  
MINIMUM 0.42 1953  
TOTALS 1.90 3.14 -1.24  
DAILY AVG. 0.06 0.10 -0.04  
DAYS >= .01 11  
DAYS >= .10 4  
DAYS >= .50 1  
DAYS >= 1.00 1  
 
SNOWFALL (INCHES)  
TOTALS 0.0 0.0 0.0  
SINCE 7/1 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING TOTAL 14 109 -95  
SINCE 7/1 18 121 -103  
COOLING TOTAL 158 97 61  
SINCE 1/1 1069 903 166    
..........................................................
 
 
WIND (MPH)  
HIGHEST GUST SPEED/DIRECTION 38/150 DATE 09/23  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 HAIL 0  
SLEET 0 FOG 12  
FOG W/VIS <= 1/4 MILE 3 HAZE 8  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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