451  
CDUS43 KDMX 310640  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
140 AM CDT MON MAR 31 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MARCH 30 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 49 1228 AM 84 1967 54 -5 60  
MINIMUM 34 1159 PM 1 1964 32 2 37  
AVERAGE 42 43 -1 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 1.95 1998 0.09 0.08 0.00  
MONTH TO DATE 2.38 1.89 0.49 2.28  
SINCE MAR 1 2.38 1.89 0.49 2.28  
SINCE JAN 1 2.92 4.13 -1.21 5.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.9 1939 0.1 -0.1 0.0  
MONTH TO DATE 4.2 4.5 -0.3 4.9  
SINCE MAR 1 4.2 4.5 -0.3 4.9  
SINCE JUL 1 17.1 37.2 -20.1 32.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 22 1 16  
MONTH TO DATE 618 856 -238 708  
SINCE MAR 1 618 856 -238 708  
SINCE JUL 1 5363 6026 -663 4930  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 0  
SINCE MAR 1 5 0 5 0  
SINCE JAN 1 5 0 5 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 AM  
LOWEST 80 1200 AM  
AVERAGE 87  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 82 1986  
MINIMUM TEMPERATURE (F) 32 6 1923  
 
SUNRISE AND SUNSET  
MARCH 31 2025.........SUNRISE 653 AM CDT SUNSET 735 PM CDT  
APRIL 1 2025.........SUNRISE 651 AM CDT SUNSET 736 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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