840  
CDUS43 KDMX 122228  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
528 PM CDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 12 2023
 
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 79 255 PM 97 1927 78 1 75  
MINIMUM 45 604 AM 32 1955 54 -9 52  
AVERAGE 62 66 -4 64  
 
PRECIPITATION (IN)  
TODAY T 3.05 1978 0.11 -0.11 0.00  
MONTH TO DATE 0.27 1.34 -1.07 0.95  
SINCE SEP 1 0.27 1.34 -1.07 0.95  
SINCE JAN 1 16.53 28.44 -11.91 28.29  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 3 3 0 1  
MONTH TO DATE 4 20 -16 9  
SINCE SEP 1 4 20 -16 9  
SINCE JUL 1 8 33 -25 9  
 
COOLING  
TODAY 0 4 -4 0  
MONTH TO DATE 86 53 33 60  
SINCE SEP 1 86 53 33 60  
SINCE JAN 1 997 859 138 966    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 500 AM  
LOWEST 28 300 PM  
AVERAGE 59  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1897  
1939  
MINIMUM TEMPERATURE (F) 54 31 1975  
 
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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