620  
CDUS43 KDMX 230648  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
148 AM CDT WED JUL 23 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR JULY 22 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 89 232 PM 104 1901 85 4 84  
MINIMUM 72 1157 PM 45 1947 64 8 62  
AVERAGE 81 74 7 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 2.24 2010 0.14 0.25 0.00  
MONTH TO DATE 6.64 3.18 3.46 3.89  
SINCE JUN 1 13.18 8.90 4.28 11.13  
SINCE JAN 1 24.22 21.77 2.45 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 16 10 6 8  
MONTH TO DATE 214 220 -6 172  
SINCE JUN 1 464 432 32 429  
SINCE JAN 1 510 504 6 465    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 70 200 PM  
AVERAGE 84  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 103 1901  
1934  
2012  
MINIMUM TEMPERATURE (F) 64 46 1925  
 
SUNRISE AND SUNSET  
JULY 23 2025..........SUNRISE 553 AM CDT SUNSET 839 PM CDT  
JULY 24 2025..........SUNRISE 554 AM CDT SUNSET 838 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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