903  
CDUS43 KDMX 110630  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT SAT OCT 11 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 10 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 229 PM 87 1928 63 8 82  
MINIMUM 40 1159 PM 20 1987 39 1 45  
AVERAGE 56 51 5 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.93 1946 0.08 -0.08 0.00  
MONTH TO DATE 0.47 0.94 -0.47 T  
SINCE SEP 1 1.59 4.39 -2.80 0.43  
SINCE JAN 1 33.41 31.70 1.71 28.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 1932 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 9 14 -5 1  
MONTH TO DATE 57 122 -65 67  
SINCE SEP 1 133 286 -153 130  
SINCE JUL 1 163 322 -159 151  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 36 2 34 6  
SINCE SEP 1 122 59 63 97  
SINCE JAN 1 760 598 162 616    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 700 AM  
LOWEST 30 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 1910  
1920  
1928  
MINIMUM TEMPERATURE (F) 39 17 1987  
 
SUNRISE AND SUNSET  
OCTOBER 11 2025.......SUNRISE 723 AM CDT SUNSET 637 PM CDT  
OCTOBER 12 2025.......SUNRISE 724 AM CDT SUNSET 635 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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