795  
CDUS43 KDMX 302230  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
530 PM CDT WED SEP 30 2026  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 30 2026
 
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 359 PM 94 2023 71 -1 88  
MINIMUM 64 1217 AM 19 1899 47 17 53  
AVERAGE 67 59 8 71  
 
PRECIPITATION (IN)  
TODAY 0.03 1.69 2007 0.10 -0.07 0.00  
MONTH TO DATE 7.62 3.14 4.48 0.89  
SINCE SEP 1 7.62 3.14 4.48 0.89  
SINCE JAN 1 37.40 30.24 7.16 31.55  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 7 -7 0  
MONTH TO DATE 62 108 -46 53  
SINCE SEP 1 62 108 -46 53  
SINCE JUL 1 63 121 -58 68  
 
COOLING  
TODAY 2 1 1 6  
MONTH TO DATE 128 97 31 127  
SINCE SEP 1 128 97 31 127  
SINCE JAN 1 956 903 53 934    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 93 900 AM  
AVERAGE 97  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 93 2023  
MINIMUM TEMPERATURE (F) 46 23 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 706 AM CDT SUNSET 653 PM CDT  
OCTOBER 1 2026.......SUNRISE 707 AM CDT SUNSET 651 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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