020  
CDUS43 KDMX 100633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT TUE SEP 10 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 9 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 303 PM 99 2013 77 5 83  
MINIMUM 50 624 AM 34 1924 51 -1 49  
AVERAGE 66 64 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.33 1971 0.12 -0.12 0.00  
MONTH TO DATE 0.14 1.05 -0.91 T  
SINCE SEP 1 0.14 1.05 -0.91 T  
SINCE JAN 1 28.40 28.36 0.04 18.67  
 
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 4 -4 0  
MONTH TO DATE 33 24 9 9  
SINCE SEP 1 33 24 9 9  
SINCE JUL 1 54 60 -6 32  
 
COOLING  
YESTERDAY 1 2 -1 1  
MONTH TO DATE 3 26 -23 61  
SINCE SEP 1 3 26 -23 61  
SINCE JAN 1 522 565 -43 678    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 9.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 41 100 PM  
AVERAGE 65  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 98 1931  
MINIMUM TEMPERATURE (F) 51 35 1935  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2024.....SUNRISE 648 AM CDT SUNSET 731 PM CDT  
SEPTEMBER 11 2024.....SUNRISE 649 AM CDT SUNSET 729 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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