444  
CDUS43 KDMX 310628  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT FRI JUL 31 2026  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR JULY 30 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 122 PM 103 1916 84 -1 77  
1955  
MINIMUM 63 541 AM 45 1899 63 0 62  
AVERAGE 73 74 -1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.25 1942 0.13 -0.13 0.49  
MONTH TO DATE 5.24 4.21 1.03 9.99  
SINCE JUN 1 11.15 9.93 1.22 16.53  
SINCE JAN 1 24.31 22.80 1.51 27.57  
 
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 0  
SINCE JUN 1 14 18 -4 6  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 8 9 -1 5  
MONTH TO DATE 337 294 43 310  
SINCE JUN 1 512 506 6 560  
SINCE JAN 1 605 578 27 606    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 51 1200 PM  
AVERAGE 74  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 105 1988  
MINIMUM TEMPERATURE (F) 63 43 1971  
 
SUNRISE AND SUNSET  
JULY 31 2026..........SUNRISE 601 AM CDT SUNSET 831 PM CDT  
AUGUST 1 2026........SUNRISE 602 AM CDT SUNSET 829 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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