908  
CDUS43 KDMX 210632  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT THU AUG 21 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 20 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 317 PM 101 1916 83 0 78  
MINIMUM 66 1159 PM 33 1950 61 5 56  
AVERAGE 75 72 3 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.92 1966 0.14 -0.14 0.00  
MONTH TO DATE 3.06 2.73 0.33 0.61  
SINCE JUN 1 19.59 12.79 6.80 13.24  
SINCE JAN 1 30.63 25.66 4.97 32.48  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 6 21 -15 4  
SINCE JUL 1 0 3 -3 4  
 
COOLING  
YESTERDAY 10 7 3 2  
MONTH TO DATE 176 158 18 140  
SINCE JUN 1 737 667 70 670  
SINCE JAN 1 783 739 44 706    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 60 200 PM  
AVERAGE 80  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1916  
MINIMUM TEMPERATURE (F) 60 39 2004  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 623 AM CDT SUNSET 801 PM CDT  
AUGUST 22 2025........SUNRISE 624 AM CDT SUNSET 800 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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