000  
CDUS43 KDMX 020629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT WED SEP 02 2026  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 1 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 87 430 PM 97 1913 78 9 76  
MINIMUM 62 536 AM 35 1949 54 8 51  
AVERAGE 75 66 9 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 1.75 1923 0.12 0.02 0.00  
1959  
MONTH TO DATE 0.14 0.12 0.02 0.00  
SINCE SEP 1 0.14 0.12 0.02 0.00  
SINCE JAN 1 22.41 27.43 -5.02 31.82  
 
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 2 -2 1  
MONTH TO DATE 0 2 -2 1  
SINCE SEP 1 0 2 -2 1  
SINCE JUL 1 3 38 -35 31  
 
COOLING  
YESTERDAY 10 3 7 0  
MONTH TO DATE 10 3 7 0  
SINCE SEP 1 10 3 7 0  
SINCE JAN 1 662 542 120 638    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 3.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 61 1100 AM  
AVERAGE 81  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 99 1925  
MINIMUM TEMPERATURE (F) 54 34 1928  
 
SUNRISE AND SUNSET  
SEPTEMBER 2 2026.....SUNRISE 639 AM CDT SUNSET 746 PM CDT  
SEPTEMBER 3 2026.....SUNRISE 640 AM CDT SUNSET 744 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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