464  
CDUS43 KDMX 210630  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT SAT SEP 21 2024  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 20 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 91 258 PM 96 2022 76 15 80  
MINIMUM 58 554 AM 27 1991 51 7 58  
AVERAGE 75 63 12 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.65 1923 0.10 -0.10 0.06  
MONTH TO DATE 0.44 2.15 -1.71 0.38  
SINCE SEP 1 0.44 2.15 -1.71 0.38  
SINCE JAN 1 34.09 29.25 4.84 16.64  
 
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 4 -4 0  
MONTH TO DATE 16 49 -33 14  
SINCE SEP 1 16 49 -33 14  
SINCE JUL 1 22 62 -40 18  
 
COOLING  
YESTERDAY 10 3 7 4  
MONTH TO DATE 114 79 35 97  
SINCE SEP 1 114 79 35 97  
SINCE JAN 1 936 885 51 1008    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 26 400 PM  
AVERAGE 62  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1937  
MINIMUM TEMPERATURE (F) 50 27 1918  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 656 AM CDT SUNSET 708 PM CDT  
SEPTEMBER 22 2024.....SUNRISE 658 AM CDT SUNSET 706 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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