626  
CDUS43 KDMX 172226  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
526 PM CDT SAT MAY 17 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 17 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 62 254 PM 94 1934 73 -11 83  
MINIMUM 47 616 AM 32 1915 51 -4 49  
1925  
2014  
AVERAGE 55 62 -7 66  
 
PRECIPITATION (IN)  
TODAY 0.00 2.64 1991 0.15 -0.15 0.00  
MONTH TO DATE 0.11 2.39 -2.28 4.27  
SINCE MAR 1 8.24 8.41 -0.17 10.75  
SINCE JAN 1 8.78 10.65 -1.87 13.47  
 
SNOWFALL (IN)  
TODAY 0.0 1.0 1991 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 10 5 5 0  
MONTH TO DATE 70 126 -56 73  
SINCE MAR 1 1159 1480 -321 1224  
SINCE JUL 1 5904 6650 -746 5446  
 
COOLING  
TODAY 0 2 -2 1  
MONTH TO DATE 33 21 12 5  
SINCE MAR 1 42 29 13 9  
SINCE JAN 1 42 29 13 9    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 21.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 200 AM  
LOWEST 41 300 PM  
AVERAGE 58  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 1934  
MINIMUM TEMPERATURE (F) 51 32 2002  
 
SUNRISE AND SUNSET  
MAY 17 2025...........SUNRISE 545 AM CDT SUNSET 827 PM CDT  
MAY 18 2025...........SUNRISE 544 AM CDT SUNSET 828 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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