980  
CDUS43 KDMX 180645  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
145 AM CDT WED JUN 18 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR JUNE 17 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 83 157 PM 100 2021 83 0 93  
MINIMUM 63 407 AM 40 1915 62 1 77  
AVERAGE 73 72 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.58 1993 0.20 -0.19 0.09  
MONTH TO DATE 2.39 3.24 -0.85 2.77  
SINCE JUN 1 2.39 3.24 -0.85 2.77  
SINCE JAN 1 13.43 16.11 -2.68 22.01  
 
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 17.1 39.1 -22.0 32.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 6 15 -9 0  
SINCE JUN 1 6 15 -9 0  
SINCE JUL 1 5999 6712 -713 5468  
 
COOLING  
YESTERDAY 8 8 0 20  
MONTH TO DATE 91 99 -8 127  
SINCE JUN 1 91 99 -8 127  
SINCE JAN 1 137 171 -34 163    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 51 200 PM  
AVERAGE 74  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1940  
1953  
MINIMUM TEMPERATURE (F) 62 44 1965  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 532 AM CDT SUNSET 850 PM CDT  
JUNE 19 2025..........SUNRISE 532 AM CDT SUNSET 850 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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