637  
CDUS43 KDMX 250635  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT FRI SEP 25 2026  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 24 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 1143 AM 90 2017 71 -5 77  
MINIMUM 51 123 AM 29 1950 46 5 51  
AVERAGE 59 58 1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.70 1972 0.12 -0.08 0.00  
MONTH TO DATE 3.49 2.80 0.69 1.12  
SINCE SEP 1 3.49 2.80 0.69 1.12  
SINCE JAN 1 25.76 30.11 -4.35 32.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1926 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 6 8 -2 1  
MONTH TO DATE 56 108 -52 69  
SINCE SEP 1 56 108 -52 69  
SINCE JUL 1 59 144 -85 99  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 94 51 43 72  
SINCE SEP 1 94 51 43 72  
SINCE JAN 1 746 590 156 710    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 AM  
LOWEST 68 1100 AM  
AVERAGE 82  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 1920  
MINIMUM TEMPERATURE (F) 45 26 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2026.....SUNRISE 704 AM CDT SUNSET 705 PM CDT  
SEPTEMBER 26 2026.....SUNRISE 705 AM CDT SUNSET 703 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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