821  
CDUS43 KDMX 070646  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT TUE OCT 07 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 6 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 61 MM 94 1963 65 -4 66  
MINIMUM 47 MM 15 1935 41 6 39  
AVERAGE 54 53 1 53  
 
PRECIPITATION (IN)  
YESTERDAY T 1.40 1903 0.09 -0.09 0.00  
MONTH TO DATE 0.47 0.61 -0.14 T  
SINCE SEP 1 1.59 4.06 -2.47 0.43  
SINCE JAN 1 33.41 31.37 2.04 28.69  
 
SNOWFALL (IN)  
YESTERDAY MM MM MM 0.0 MM 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 12 -1 12  
MONTH TO DATE 11 68 -57 44  
SINCE SEP 1 87 232 -145 107  
SINCE JUL 1 117 268 -151 128  
 
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 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 9.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 49 500 PM  
AVERAGE 68  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1993  
1997  
MINIMUM TEMPERATURE (F) 40 19 2012  
 
SUNRISE AND SUNSET  
OCTOBER 7 2025.......SUNRISE 718 AM CDT SUNSET 643 PM CDT  
OCTOBER 8 2025.......SUNRISE 719 AM CDT SUNSET 642 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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