670  
CDUS43 KDMX 020631  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT SAT AUG 02 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 1 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 77 324 PM 101 1988 84 -7 87  
MINIMUM 53 428 AM 46 1920 63 -10 69  
AVERAGE 65 74 -9 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1911 0.13 -0.13 T  
MONTH TO DATE 0.00 0.13 -0.13 T  
SINCE JUN 1 16.53 10.19 6.34 12.63  
SINCE JAN 1 27.57 23.06 4.51 31.87  
 
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 6 21 -15 1  
SINCE JUL 1 0 3 -3 1  
 
COOLING  
YESTERDAY 0 9 -9 13  
MONTH TO DATE 0 9 -9 13  
SINCE JUN 1 561 518 43 543  
SINCE JAN 1 607 590 17 579    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 40 300 PM  
AVERAGE 69  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 101 1988  
MINIMUM TEMPERATURE (F) 63 44 1927  
 
SUNRISE AND SUNSET  
AUGUST 2 2025........SUNRISE 603 AM CDT SUNSET 828 PM CDT  
AUGUST 3 2025........SUNRISE 604 AM CDT SUNSET 827 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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