165  
CDUS43 KDMX 280639  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT WED MAY 28 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 27 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 68 258 PM 97 2018 77 -9 72  
MINIMUM 54 451 AM 32 1971 55 -1 52  
AVERAGE 61 66 -5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 2.75 1973 0.16 -0.08 0.11  
MONTH TO DATE 2.33 3.94 -1.61 10.01  
SINCE MAR 1 10.46 9.96 0.50 16.49  
SINCE JAN 1 11.00 12.20 -1.20 19.21  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 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 4 3 1 3  
MONTH TO DATE 149 164 -15 87  
SINCE MAR 1 1238 1518 -280 1238  
SINCE JUL 1 5983 6688 -705 5460  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 33 49 -16 27  
SINCE MAR 1 42 57 -15 31  
SINCE JAN 1 42 57 -15 31    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 44 200 PM  
AVERAGE 69  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 2018  
MINIMUM TEMPERATURE (F) 55 32 1965  
 
SUNRISE AND SUNSET  
MAY 28 2025...........SUNRISE 537 AM CDT SUNSET 838 PM CDT  
MAY 29 2025...........SUNRISE 536 AM CDT SUNSET 838 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page