657  
CDUS43 KDMX 200646  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT SUN APR 20 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR APRIL 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 57 428 PM 87 1985 62 -5 54  
MINIMUM 33 1116 PM 20 1988 39 -6 31  
AVERAGE 45 51 -6 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.93 2000 0.15 -0.15 0.00  
MONTH TO DATE 0.72 2.39 -1.67 1.53  
SINCE MAR 1 3.10 4.37 -1.27 4.03  
SINCE JAN 1 3.64 6.61 -2.97 6.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1953 0.0 0.0 0.0  
2013  
MONTH TO DATE 0.0 1.3 -1.3 T  
SINCE MAR 1 4.2 5.9 -1.7 4.9  
SINCE JUL 1 17.1 38.6 -21.5 32.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 14 6 22  
MONTH TO DATE 341 340 1 291  
SINCE MAR 1 984 1219 -235 1018  
SINCE JUL 1 5729 6389 -660 5240  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 5 1 4 2  
SINCE JAN 1 5 1 4 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 600 AM  
LOWEST 34 400 PM  
AVERAGE 57  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 89 1987  
MINIMUM TEMPERATURE (F) 40 21 2018  
 
SUNRISE AND SUNSET  
APRIL 20 2025.........SUNRISE 620 AM CDT SUNSET 758 PM CDT  
APRIL 21 2025.........SUNRISE 618 AM CDT SUNSET 759 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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