522  
CDUS43 KDMX 260638  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
138 AM CDT MON MAY 26 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 25 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 72 403 PM 92 1967 76 -4 78  
MINIMUM 46 449 AM 29 1925 54 -8 46  
AVERAGE 59 65 -6 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.31 1904 0.16 -0.16 0.00  
MONTH TO DATE 2.25 3.62 -1.37 8.77  
SINCE MAR 1 10.38 9.64 0.74 15.25  
SINCE JAN 1 10.92 11.88 -0.96 17.97  
 
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 6 3 3 3  
MONTH TO DATE 138 158 -20 79  
SINCE MAR 1 1227 1512 -285 1230  
SINCE JUL 1 5972 6682 -710 5452  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 33 42 -9 27  
SINCE MAR 1 42 50 -8 31  
SINCE JAN 1 42 50 -8 31    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 1100 PM  
LOWEST 29 200 PM  
AVERAGE 53  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1967  
MINIMUM TEMPERATURE (F) 54 33 1961  
 
SUNRISE AND SUNSET  
MAY 26 2025...........SUNRISE 538 AM CDT SUNSET 836 PM CDT  
MAY 27 2025...........SUNRISE 537 AM CDT SUNSET 837 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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