640  
CDUS43 KDMX 220639  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT THU MAY 22 2025  
   
...............................  
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR MAY 21 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 451 PM 94 1886 74 -14 83  
MINIMUM 45 1159 PM 35 1883 54 -9 57  
1931  
AVERAGE 53 64 -11 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.78 1969 0.17 -0.17 1.58  
MONTH TO DATE 5.24 3.58 1.66 5.35  
SINCE MAR 1 11.11 9.77 1.34 10.28  
SINCE JAN 1 11.70 12.19 -0.49 12.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE MAR 1 3.0 5.8 -2.8 0.8  
SINCE JUL 1 14.3 36.5 -22.2 35.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 4 8 0  
MONTH TO DATE 94 127 -33 48  
SINCE MAR 1 1032 1344 -312 967  
SINCE JUL 1 5435 6137 -702 4833  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 34 34 0 56  
SINCE MAR 1 49 46 3 74  
SINCE JAN 1 49 46 3 74    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 53 600 PM  
AVERAGE 70  
   
......................................................  
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 98 1925  
MINIMUM TEMPERATURE (F) 55 33 1963  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 549 AM CDT SUNSET 834 PM CDT  
MAY 23 2025...........SUNRISE 548 AM CDT SUNSET 835 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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