627  
CDUS43 KDMX 130632  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 12 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 87 400 PM 94 2022 71 16 88  
MINIMUM 47 521 AM 30 1895 49 -2 50  
1928  
AVERAGE 67 60 7 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.40 2010 0.14 -0.14 0.01  
MONTH TO DATE 0.11 1.66 -1.55 4.21  
SINCE MAR 1 8.24 7.68 0.56 10.69  
SINCE JAN 1 8.78 9.92 -1.14 13.41  
 
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 0 6 -6 0  
MONTH TO DATE 59 98 -39 66  
SINCE MAR 1 1148 1452 -304 1217  
SINCE JUL 1 5893 6622 -729 5439  
 
COOLING  
YESTERDAY 2 1 1 4  
MONTH TO DATE 12 11 1 4  
SINCE MAR 1 21 19 2 8  
SINCE JAN 1 21 19 2 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 22 400 PM  
AVERAGE 48  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1940  
MINIMUM TEMPERATURE (F) 49 30 1953  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 549 AM CDT SUNSET 823 PM CDT  
MAY 14 2025...........SUNRISE 548 AM CDT SUNSET 824 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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