214  
CDUS43 KDMX 232226  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
526 PM CDT FRI MAY 23 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 23 2025  
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 70 359 PM 93 1921 76 -6 79  
MINIMUM 42 444 AM 31 1917 53 -11 54  
1931  
1963  
AVERAGE 56 64 -8 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.54 2007 0.15 -0.15 0.00  
MONTH TO DATE 2.25 3.30 -1.05 8.53  
SINCE MAR 1 10.38 9.32 1.06 15.01  
SINCE JAN 1 10.92 11.56 -0.64 17.73  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 9 4 5 0  
MONTH TO DATE 127 152 -25 75  
SINCE MAR 1 1216 1506 -290 1226  
SINCE JUL 1 5961 6676 -715 5448  
 
COOLING  
TODAY 0 3 -3 2  
MONTH TO DATE 33 36 -3 27  
SINCE MAR 1 42 44 -2 31  
SINCE JAN 1 42 44 -2 31    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 33 400 PM  
AVERAGE 65  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 1926  
MINIMUM TEMPERATURE (F) 54 34 1924  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 540 AM CDT SUNSET 833 PM CDT  
MAY 24 2025...........SUNRISE 539 AM CDT SUNSET 834 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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