600  
CDUS43 KDMX 120641  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT THU SEP 12 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 11 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 88 157 PM 95 2000 76 12 75  
MINIMUM 52 547 AM 31 1894 51 1 48  
AVERAGE 70 63 7 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.84 1991 0.12 -0.12 T  
MONTH TO DATE 0.14 1.30 -1.16 0.03  
SINCE SEP 1 0.14 1.30 -1.16 0.03  
SINCE JAN 1 28.40 28.61 -0.21 18.70  
 
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 3  
MONTH TO DATE 33 32 1 15  
SINCE SEP 1 33 32 1 15  
SINCE JUL 1 54 68 -14 38  
 
COOLING  
YESTERDAY 5 2 3 0  
MONTH TO DATE 12 30 -18 61  
SINCE SEP 1 12 30 -18 61  
SINCE JAN 1 531 569 -38 678    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 29 400 PM  
AVERAGE 61  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1927  
MINIMUM TEMPERATURE (F) 50 33 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 650 AM CDT SUNSET 728 PM CDT  
SEPTEMBER 13 2024.....SUNRISE 651 AM CDT SUNSET 726 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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