677  
CDUS43 KDMX 150642  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
142 AM CDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 14 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 84 329 PM 98 1939 78 6 83  
MINIMUM 45 535 AM 30 1923 53 -8 49  
AVERAGE 65 65 0 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.45 1942 0.10 -0.10 0.00  
MONTH TO DATE 0.31 1.54 -1.23 0.95  
SINCE SEP 1 0.31 1.54 -1.23 0.95  
SINCE JAN 1 16.57 28.64 -12.07 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 3 -3 0  
MONTH TO DATE 9 26 -17 12  
SINCE SEP 1 9 26 -17 12  
SINCE JUL 1 13 39 -26 12  
 
COOLING  
YESTERDAY 0 4 -4 1  
MONTH TO DATE 86 61 25 61  
SINCE SEP 1 86 61 25 61  
SINCE JAN 1 997 867 130 967    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 24 400 PM  
AVERAGE 57  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 100 1927  
MINIMUM TEMPERATURE (F) 53 30 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 649 AM CDT SUNSET 720 PM CDT  
SEPTEMBER 16 2023.....SUNRISE 650 AM CDT SUNSET 718 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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