633  
CDUS43 KDMX 180630  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT SUN MAY 18 2025  
   
...............................
 
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR MAY 17 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 64 411 PM 72 -8 82  
MINIMUM 39 1159 PM 49 -10 51  
AVERAGE 52 60 -8 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.17 -0.17  
MONTH TO DATE 0.16 2.55 -2.39  
SINCE JAN 1 6.70 9.16 -2.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 6 7 0  
MONTH TO DATE 90 147 -57 77  
SINCE MAR 1 1222 1561 -339 1223  
SINCE JUL 1 6002 6910 -908 5490  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 22 13 9 7  
SINCE MAR 1 24 18 6 11  
SINCE JAN 1 24 18 6 11    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 18.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 300 AM  
LOWEST 39 500 PM  
AVERAGE 59  
   
......................................................
 
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 MM MM  
MINIMUM TEMPERATURE (F) 50 MM MM  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 548 AM CDT SUNSET 829 PM CDT  
MAY 19 2025...........SUNRISE 547 AM CDT SUNSET 830 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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