861  
CDUS43 KDMX 130626  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
126 AM CDT SUN SEP 13 2026  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 12 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 73 315 PM 95 1927 76 -3 87  
MINIMUM 51 1109 PM 33 1940 50 1 59  
AVERAGE 62 63 -1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.20 1978 0.12 -0.12 T  
MONTH TO DATE 0.75 1.42 -0.67 0.36  
SINCE SEP 1 0.75 1.42 -0.67 0.36  
SINCE JAN 1 23.02 28.73 -5.71 32.18  
 
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 3 4 -1 0  
MONTH TO DATE 3 36 -33 62  
SINCE SEP 1 3 36 -33 62  
SINCE JUL 1 6 72 -66 92  
 
COOLING  
YESTERDAY 0 2 -2 8  
MONTH TO DATE 91 32 59 10  
SINCE SEP 1 91 32 59 10  
SINCE JAN 1 743 571 172 648    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 42 500 PM  
AVERAGE 68  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1939  
MINIMUM TEMPERATURE (F) 50 31 2014  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2026.....SUNRISE 651 AM CDT SUNSET 727 PM CDT  
SEPTEMBER 14 2026.....SUNRISE 652 AM CDT SUNSET 725 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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