961  
CDUS43 KDMX 040640  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
140 AM CDT SUN MAY 04 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 3 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 61 554 PM 91 1918 68 -7 73  
MINIMUM 43 1012 PM 22 2005 45 -2 37  
AVERAGE 52 56 -4 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1902 0.15 -0.15 0.00  
MONTH TO DATE 0.10 0.43 -0.33 1.09  
SINCE MAR 1 8.23 6.45 1.78 7.57  
SINCE JAN 1 8.77 8.69 0.08 10.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 2013 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 4.2 6.3 -2.1 4.9  
SINCE JUL 1 17.1 39.0 -21.9 32.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 9 4 10  
MONTH TO DATE 31 29 2 22  
SINCE MAR 1 1120 1383 -263 1173  
SINCE JUL 1 5865 6553 -688 5395  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 9 10 -1 4  
SINCE JAN 1 9 10 -1 4    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 46 600 PM  
AVERAGE 70  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 93 1918  
MINIMUM TEMPERATURE (F) 45 22 1907  
 
SUNRISE AND SUNSET  
MAY 4 2025...........SUNRISE 600 AM CDT SUNSET 813 PM CDT  
MAY 5 2025...........SUNRISE 559 AM CDT SUNSET 814 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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