366  
CDUS43 KDMX 290634  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT THU MAY 29 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 28 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 65 408 PM 95 2018 77 -12 71  
MINIMUM 52 1159 PM 32 1965 55 -3 50  
AVERAGE 59 66 -7 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.65 1954 0.16 -0.13 0.03  
MONTH TO DATE 2.36 4.10 -1.74 10.04  
SINCE MAR 1 10.49 10.12 0.37 16.52  
SINCE JAN 1 11.03 12.36 -1.33 19.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1947 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 4.2 6.4 -2.2 4.9  
SINCE JUL 1 17.1 39.1 -22.0 32.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 2 4 4  
MONTH TO DATE 155 166 -11 91  
SINCE MAR 1 1244 1520 -276 1242  
SINCE JUL 1 5989 6690 -701 5464  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 33 53 -20 27  
SINCE MAR 1 42 61 -19 31  
SINCE JAN 1 42 61 -19 31    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 58 500 PM  
AVERAGE 78  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 101 1934  
MINIMUM TEMPERATURE (F) 56 29 1965  
 
SUNRISE AND SUNSET  
MAY 29 2025...........SUNRISE 536 AM CDT SUNSET 838 PM CDT  
MAY 30 2025...........SUNRISE 536 AM CDT SUNSET 839 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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