920  
CDUS43 KDMX 020648  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
148 AM CDT FRI MAY 02 2025  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 1 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 64 317 PM 93 2021 67 -3 68  
MINIMUM 53 1159 PM 27 1918 44 9 51  
AVERAGE 59 56 3 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.25 1911 0.14 -0.04 0.03  
MONTH TO DATE 0.10 0.14 -0.04 0.03  
SINCE MAR 1 8.23 6.16 2.07 6.51  
SINCE JAN 1 8.77 8.40 0.37 9.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1909 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 6 10 -4 5  
MONTH TO DATE 6 10 -4 5  
SINCE MAR 1 1095 1364 -269 1156  
SINCE JUL 1 5840 6534 -694 5378  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 9 8 1 4  
SINCE JAN 1 9 8 1 4    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 70 300 PM  
AVERAGE 82  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1901  
MINIMUM TEMPERATURE (F) 44 24 2005  
 
SUNRISE AND SUNSET  
MAY 2 2025...........SUNRISE 603 AM CDT SUNSET 811 PM CDT  
MAY 3 2025...........SUNRISE 601 AM CDT SUNSET 812 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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