309  
CDUS43 KDMX 290630  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 28 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 77 307 PM 93 1904 72 5 64  
MINIMUM 60 1237 AM 21 1942 48 12 31  
AVERAGE 69 60 9 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.34 1974 0.10 -0.10 0.00  
MONTH TO DATE 1.90 2.94 -1.04 1.13  
SINCE SEP 1 1.90 2.94 -1.04 1.13  
SINCE JAN 1 18.16 30.04 -11.88 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 17  
MONTH TO DATE 14 94 -80 73  
SINCE SEP 1 14 94 -80 73  
SINCE JUL 1 18 107 -89 73  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 131 95 36 112  
SINCE SEP 1 131 95 36 112  
SINCE JAN 1 1042 901 141 1018    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 52 400 PM  
AVERAGE 73  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1897  
MINIMUM TEMPERATURE (F) 47 22 1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 704 AM CDT SUNSET 655 PM CDT  
SEPTEMBER 30 2023.....SUNRISE 705 AM CDT SUNSET 653 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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