860  
CDUS43 KDMX 200646  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT SUN JUL 20 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR JULY 19 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 85 316 PM 104 1940 85 0 80  
MINIMUM 67 734 AM 47 1912 64 3 55  
AVERAGE 76 75 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 1.12 2.87 1963 0.13 0.99 0.00  
MONTH TO DATE 6.15 2.79 3.36 3.30  
SINCE JUN 1 12.69 8.51 4.18 10.54  
SINCE JAN 1 23.73 21.38 2.35 29.78  
 
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 11 10 1 3  
MONTH TO DATE 178 190 -12 154  
SINCE JUN 1 428 402 26 411  
SINCE JAN 1 474 474 0 447    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 67 300 PM  
AVERAGE 84  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 104 1930  
MINIMUM TEMPERATURE (F) 64 47 1970  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 550 AM CDT SUNSET 841 PM CDT  
JULY 21 2025..........SUNRISE 551 AM CDT SUNSET 840 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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