737  
CDUS43 KDMX 040646  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT SAT OCT 04 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 3 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 89 MM 95 1997 67 22 77  
MINIMUM 60 MM 25 1996 42 18 42  
AVERAGE 75 54 21 60  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.86 1942 0.10 MM T  
MONTH TO DATE 0.00 0.33 -0.33 T  
SINCE SEP 1 1.12 3.78 -2.66 0.43  
SINCE JAN 1 32.94 31.09 1.85 28.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 5  
MONTH TO DATE 0 32 -32 22  
SINCE SEP 1 76 196 -120 85  
SINCE JUL 1 106 232 -126 106  
 
COOLING  
YESTERDAY 10 0 10 0  
MONTH TO DATE 23 2 21 0  
SINCE SEP 1 109 59 50 91  
SINCE JAN 1 747 598 149 610    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 AM  
LOWEST 35 400 PM  
AVERAGE 63  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1938  
2005  
MINIMUM TEMPERATURE (F) 41 20 1935  
 
SUNRISE AND SUNSET  
OCTOBER 4 2025.......SUNRISE 714 AM CDT SUNSET 649 PM CDT  
OCTOBER 5 2025.......SUNRISE 716 AM CDT SUNSET 647 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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