091  
CDUS43 KDMX 020705  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
205 AM CDT TUE SEP 02 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 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 78 400 PM 100 1913 81 -3 77  
MINIMUM 53 301 AM 36 1949 58 -5 52  
1967  
AVERAGE 66 69 -3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.23 2018 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.12 -0.12 0.00  
SINCE SEP 1 0.00 0.12 -0.12 0.00  
SINCE JAN 1 30.66 27.22 3.44 33.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE SEP 1 0 1 -1 0  
SINCE JUL 1 15 14 1 6  
 
COOLING  
YESTERDAY 1 5 -4 0  
MONTH TO DATE 1 5 -4 0  
SINCE SEP 1 1 5 -4 0  
SINCE JAN 1 808 811 -3 822    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 42 300 PM  
AVERAGE 70  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1925  
MINIMUM TEMPERATURE (F) 57 38 1946  
1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2025.....SUNRISE 636 AM CDT SUNSET 741 PM CDT  
SEPTEMBER 3 2025.....SUNRISE 637 AM CDT SUNSET 740 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab IA Page
Main Text Page