428  
CDUS43 KDMX 210711  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
211 AM CDT WED MAY 21 2025  
   
...............................  
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR MAY 20 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 103 PM 73 -8 81  
MINIMUM 51 423 AM 51 0 62  
AVERAGE 58 62 -4 72  
 
PRECIPITATION (IN)  
YESTERDAY 1.32 0.16 1.16  
MONTH TO DATE 2.49 3.05 -0.56  
SINCE JAN 1 9.03 9.66 -0.63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 5 2 0  
MONTH TO DATE 117 164 -47 77  
SINCE MAR 1 1249 1578 -329 1223  
SINCE JUL 1 6029 6927 -898 5490  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 22 19 3 24  
SINCE MAR 1 24 24 0 28  
SINCE JAN 1 24 24 0 28    
...................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 PM  
LOWEST 75 300 PM  
AVERAGE 88  
   
......................................................  
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 MM MM  
MINIMUM TEMPERATURE (F) 51 MM MM  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 545 AM CDT SUNSET 832 PM CDT  
MAY 22 2025...........SUNRISE 544 AM CDT SUNSET 833 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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