826  
CDUS43 KDMX 060628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT SAT SEP 06 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 5 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 62 230 PM 100 1913 78 -16 79  
MINIMUM 46 1159 PM 36 1935 53 -7 55  
AVERAGE 54 65 -11 67  
 
PRECIPITATION (IN)  
YESTERDAY T 3.32 1985 0.12 -0.12 0.14  
MONTH TO DATE 0.34 0.58 -0.24 0.14  
SINCE SEP 1 0.34 0.58 -0.24 0.14  
SINCE JAN 1 32.16 27.89 4.27 28.40  
 
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 11 3 8 0  
MONTH TO DATE 33 11 22 14  
SINCE SEP 1 33 11 22 14  
SINCE JUL 1 63 47 16 35  
 
COOLING  
YESTERDAY 0 3 -3 2  
MONTH TO DATE 0 15 -15 2  
SINCE SEP 1 0 15 -15 2  
SINCE JAN 1 638 554 84 521    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 900 PM  
LOWEST 49 300 PM  
AVERAGE 70  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 103 1922  
MINIMUM TEMPERATURE (F) 53 37 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2025.....SUNRISE 643 AM CDT SUNSET 739 PM CDT  
SEPTEMBER 7 2025.....SUNRISE 644 AM CDT SUNSET 737 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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