513  
CDUS43 KDMX 130631  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT FRI SEP 13 2024  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 12 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 225 PM 97 1927 78 9 79  
MINIMUM 56 620 AM 32 1955 54 2 45  
AVERAGE 72 66 6 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.05 1978 0.11 -0.11 0.04  
MONTH TO DATE 0.10 1.34 -1.24 0.31  
SINCE SEP 1 0.10 1.34 -1.24 0.31  
SINCE JAN 1 33.75 28.44 5.31 16.57  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 3  
MONTH TO DATE 16 20 -4 4  
SINCE SEP 1 16 20 -4 4  
SINCE JUL 1 22 33 -11 8  
 
COOLING  
YESTERDAY 7 4 3 0  
MONTH TO DATE 29 53 -24 86  
SINCE SEP 1 29 53 -24 86  
SINCE JAN 1 851 859 -8 997    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 5.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 100 AM  
LOWEST 35 400 PM  
AVERAGE 63  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1897  
1939  
MINIMUM TEMPERATURE (F) 54 31 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2024.....SUNRISE 648 AM CDT SUNSET 722 PM CDT  
SEPTEMBER 14 2024.....SUNRISE 649 AM CDT SUNSET 720 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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