400  
CDUS43 KDMX 160648  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
148 AM CDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 15 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 78 135 PM 100 1927 77 1 86  
MINIMUM 57 1159 PM 30 2007 53 4 60  
AVERAGE 68 65 3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.51 2016 0.10 -0.10 0.00  
MONTH TO DATE 0.31 1.64 -1.33 0.95  
SINCE SEP 1 0.31 1.64 -1.33 0.95  
SINCE JAN 1 16.57 28.74 -12.17 28.29  
 
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 3 -3 0  
MONTH TO DATE 9 29 -20 12  
SINCE SEP 1 9 29 -20 12  
SINCE JUL 1 13 42 -29 12  
 
COOLING  
YESTERDAY 3 3 0 8  
MONTH TO DATE 89 64 25 69  
SINCE SEP 1 89 64 25 69  
SINCE JAN 1 1000 870 130 975    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1100 PM  
LOWEST 42 200 PM  
AVERAGE 66  
   
......................................................
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 1931  
MINIMUM TEMPERATURE (F) 52 31 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 650 AM CDT SUNSET 718 PM CDT  
SEPTEMBER 17 2023.....SUNRISE 651 AM CDT SUNSET 716 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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