300  
CDUS43 KDMX 180631  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT MON SEP 18 2023  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 421 PM 95 1925 77 -1 73  
MINIMUM 53 651 AM 37 1901 55 -2 65  
AVERAGE 65 66 -1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1919 0.11 -0.11 0.67  
MONTH TO DATE 0.89 1.88 -0.99 3.02  
SINCE SEP 1 0.89 1.88 -0.99 3.02  
SINCE JAN 1 19.69 28.98 -9.29 24.14  
 
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 1 29 -28 9  
SINCE SEP 1 1 29 -28 9  
SINCE JUL 1 3 34 -31 9  
 
COOLING  
YESTERDAY 0 4 -4 4  
MONTH TO DATE 109 87 22 110  
SINCE SEP 1 109 87 22 110  
SINCE JAN 1 1178 1022 156 1270    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 38 500 PM  
AVERAGE 64  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 1895  
MINIMUM TEMPERATURE (F) 55 36 1901  
1916  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 658 AM CDT SUNSET 719 PM CDT  
SEPTEMBER 19 2023.....SUNRISE 659 AM CDT SUNSET 717 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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