640  
CDUS43 KDMX 040645  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
145 AM CDT WED SEP 04 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 3 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 77 333 PM 98 2023 78 -1 98  
MINIMUM 48 528 AM 34 1974 53 -5 65  
AVERAGE 63 66 -3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.27 2021 0.11 -0.11 0.00  
MONTH TO DATE 0.00 0.34 -0.34 0.00  
SINCE SEP 1 0.00 0.34 -0.34 0.00  
SINCE JAN 1 28.26 27.65 0.61 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 2 2 0 0  
MONTH TO DATE 12 6 6 0  
SINCE SEP 1 12 6 6 0  
SINCE JUL 1 33 42 -9 23  
 
COOLING  
YESTERDAY 0 3 -3 17  
MONTH TO DATE 0 9 -9 31  
SINCE SEP 1 0 9 -9 31  
SINCE JAN 1 519 548 -29 648    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 40 400 PM  
AVERAGE 69  
   
......................................................
 
 
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 2024.....SUNRISE 641 AM CDT SUNSET 742 PM CDT  
SEPTEMBER 5 2024.....SUNRISE 643 AM CDT SUNSET 740 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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