199  
CDUS43 KDMX 280646  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT THU SEP 28 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 27 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 424 PM 89 1905 73 4 67  
1954  
2021  
MINIMUM 59 1209 AM 28 1928 48 11 37  
AVERAGE 68 60 8 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1965 0.09 -0.09 0.00  
MONTH TO DATE 1.90 2.84 -0.94 1.13  
SINCE SEP 1 1.90 2.84 -0.94 1.13  
SINCE JAN 1 18.16 29.94 -11.78 28.47  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 13  
MONTH TO DATE 14 87 -73 56  
SINCE SEP 1 14 87 -73 56  
SINCE JUL 1 18 100 -82 56  
 
COOLING  
YESTERDAY 3 2 1 0  
MONTH TO DATE 127 93 34 112  
SINCE SEP 1 127 93 34 112  
SINCE JAN 1 1038 899 139 1018    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 AM  
LOWEST 60 300 PM  
AVERAGE 77  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 1904  
MINIMUM TEMPERATURE (F) 48 21 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 703 AM CDT SUNSET 657 PM CDT  
SEPTEMBER 29 2023.....SUNRISE 704 AM CDT SUNSET 655 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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