377  
CDUS43 KDMX 120631  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 79 254 PM 98 2000 79 0 73  
MINIMUM 50 1159 PM 32 1917 54 -4 50  
AVERAGE 65 66 -1 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.35 2006 0.11 -0.09 0.00  
MONTH TO DATE 0.27 1.23 -0.96 0.95  
SINCE SEP 1 0.27 1.23 -0.96 0.95  
SINCE JAN 1 16.53 28.33 -11.80 28.29  
 
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 0 2 -2 3  
MONTH TO DATE 1 17 -16 8  
SINCE SEP 1 1 17 -16 8  
SINCE JUL 1 5 30 -25 8  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 86 49 37 60  
SINCE SEP 1 86 49 37 60  
SINCE JAN 1 997 855 142 966    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 31 300 PM  
AVERAGE 62  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1927  
MINIMUM TEMPERATURE (F) 54 32 1955  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 646 AM CDT SUNSET 725 PM CDT  
SEPTEMBER 13 2023.....SUNRISE 647 AM CDT SUNSET 723 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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