912  
CDUS43 KDMX 220641  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT TUE JUL 22 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR JULY 21 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 79 425 PM 106 1901 85 -6 83  
MINIMUM 66 615 AM 46 1944 64 2 60  
AVERAGE 73 74 -1 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.50 1940 0.13 -0.12 0.45  
MONTH TO DATE 6.25 3.04 3.21 3.89  
SINCE JUN 1 12.79 8.76 4.03 11.13  
SINCE JAN 1 23.83 21.63 2.20 30.37  
 
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 1  
SINCE JUN 1 6 18 -12 1  
SINCE JUL 1 0 0 0 1  
 
COOLING  
YESTERDAY 8 10 -2 7  
MONTH TO DATE 198 210 -12 164  
SINCE JUN 1 448 422 26 421  
SINCE JAN 1 494 494 0 457    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 10.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 PM  
LOWEST 71 1000 AM  
AVERAGE 84  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 104 1901  
MINIMUM TEMPERATURE (F) 64 45 1947  
 
SUNRISE AND SUNSET  
JULY 22 2025..........SUNRISE 552 AM CDT SUNSET 839 PM CDT  
JULY 23 2025..........SUNRISE 553 AM CDT SUNSET 839 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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