254  
CDUS43 KDMX 280650  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
150 AM CDT TUE APR 28 2026  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR APRIL 27 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 124 PM 89 1981 66 7 69  
MINIMUM 48 1159 PM 24 1928 42 6 48  
AVERAGE 61 54 7 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.67 1.20 2024 0.14 0.53 0.00  
MONTH TO DATE 5.80 3.58 2.22 5.71  
SINCE MAR 1 8.00 5.56 2.44 8.09  
SINCE JAN 1 10.40 7.80 2.60 8.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1979 0.0 0.0 0.0  
MONTH TO DATE 0.0 1.6 -1.6 0.0  
SINCE MAR 1 2.1 6.2 -4.1 4.2  
SINCE JUL 1 33.6 38.9 -5.3 17.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 12 -8 6  
MONTH TO DATE 349 443 -94 424  
SINCE MAR 1 1058 1322 -264 1067  
SINCE JUL 1 6117 6492 -375 5812  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 0 11 0  
SINCE MAR 1 12 1 11 5  
SINCE JAN 1 12 1 11 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 17.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 800 AM  
LOWEST 63 100 PM  
AVERAGE 80  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 89 1970  
MINIMUM TEMPERATURE (F) 43 25 1950  
2019  
 
SUNRISE AND SUNSET  
APRIL 28 2026.........SUNRISE 608 AM CDT SUNSET 806 PM CDT  
APRIL 29 2026.........SUNRISE 607 AM CDT SUNSET 808 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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