481  
CDUS43 KDMX 160635  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT FRI MAY 16 2025  
   
...............................
 
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR MAY 15 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 84 1110 AM 71 13 75  
MINIMUM 60 1145 PM 48 12 48  
AVERAGE 72 60 12 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.16 -0.16  
MONTH TO DATE 0.15 2.21 -2.06  
SINCE JAN 1 6.69 8.82 -2.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 3  
MONTH TO DATE 74 135 -61 76  
SINCE MAR 1 1206 1549 -343 1222  
SINCE JUL 1 5986 6898 -912 5489  
 
COOLING  
YESTERDAY 7 1 6 0  
MONTH TO DATE 22 9 13 5  
SINCE MAR 1 24 14 10 9  
SINCE JAN 1 24 14 10 9    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 18.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 500 AM  
LOWEST 32 100 PM  
AVERAGE 61  
   
......................................................
 
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 MM MM  
MINIMUM TEMPERATURE (F) 49 MM MM  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 550 AM CDT SUNSET 827 PM CDT  
MAY 17 2025...........SUNRISE 549 AM CDT SUNSET 828 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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