432  
CDUS43 KDMX 040631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT MON SEP 04 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 3 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 98R 305 PM 96 1925 78 20 75  
MINIMUM 65 1159 PM 34 1974 53 12 54  
AVERAGE 82 66 16 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.27 2021 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.34 -0.34 0.30  
SINCE SEP 1 0.00 0.34 -0.34 0.30  
SINCE JAN 1 18.67 27.65 -8.98 25.56  
 
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 0 2 -2 0  
MONTH TO DATE 0 6 -6 0  
SINCE SEP 1 0 6 -6 0  
SINCE JUL 1 23 42 -19 0  
 
COOLING  
YESTERDAY 17 3 14 0  
MONTH TO DATE 31 9 22 15  
SINCE SEP 1 31 9 22 15  
SINCE JAN 1 648 548 100 635    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1100 PM  
LOWEST 27 400 PM  
AVERAGE 54  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 100 1925  
MINIMUM TEMPERATURE (F) 53 37 1930  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 641 AM CDT SUNSET 743 PM CDT  
SEPTEMBER 5 2023.....SUNRISE 642 AM CDT SUNSET 741 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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