109  
CDUS43 KDMX 210633  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT THU SEP 21 2023  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 20 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 82 221 PM 94 2022 76 6 94  
MINIMUM 60 413 AM 33 1896 54 6 73  
1991  
AVERAGE 71 65 6 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.89 1894 0.10 -0.10 0.12  
MONTH TO DATE 2.38 2.20 0.18 3.28  
SINCE SEP 1 2.38 2.20 0.18 3.28  
SINCE JAN 1 21.18 29.30 -8.12 24.40  
 
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 4 -4 0  
MONTH TO DATE 2 39 -37 9  
SINCE SEP 1 2 39 -37 9  
SINCE JUL 1 4 44 -40 9  
 
COOLING  
YESTERDAY 6 3 3 19  
MONTH TO DATE 120 97 23 149  
SINCE SEP 1 120 97 23 149  
SINCE JAN 1 1189 1032 157 1309    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 45 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1937  
MINIMUM TEMPERATURE (F) 53 35 1918  
1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 701 AM CDT SUNSET 714 PM CDT  
SEPTEMBER 22 2023.....SUNRISE 702 AM CDT SUNSET 712 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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