752  
CDUS43 KDMX 230629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT WED SEP 23 2026  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 22 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 61 321 PM 94 1937 72 -11 84  
MINIMUM 51 727 AM 25 1913 46 5 60  
AVERAGE 56 59 -3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.43 2016 0.11 -0.09 0.14  
MONTH TO DATE 3.45 2.57 0.88 1.12  
SINCE SEP 1 3.45 2.57 0.88 1.12  
SINCE JAN 1 25.72 29.88 -4.16 32.94  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 7 2 0  
MONTH TO DATE 42 93 -51 68  
SINCE SEP 1 42 93 -51 68  
SINCE JUL 1 45 129 -84 98  
 
COOLING  
YESTERDAY 0 1 -1 7  
MONTH TO DATE 94 49 45 71  
SINCE SEP 1 94 49 45 71  
SINCE JAN 1 746 588 158 709    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 900 AM  
LOWEST 64 500 PM  
AVERAGE 81  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 2017  
MINIMUM TEMPERATURE (F) 46 28 2012  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2026.....SUNRISE 702 AM CDT SUNSET 709 PM CDT  
SEPTEMBER 24 2026.....SUNRISE 703 AM CDT SUNSET 707 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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