676  
CDUS43 KDMX 150642  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
142 AM CDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 14 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 83 136 PM 95 1939 75 8 80  
MINIMUM 42 412 AM 28 1923 50 -8 46  
AVERAGE 63 62 1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 1909 0.11 -0.11 0.00  
MONTH TO DATE 0.03 1.65 -1.62 1.04  
SINCE SEP 1 0.03 1.65 -1.62 1.04  
SINCE JAN 1 18.70 28.96 -10.26 26.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
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 2 5 -3 2  
MONTH TO DATE 34 45 -11 34  
SINCE SEP 1 34 45 -11 34  
SINCE JUL 1 57 81 -24 34  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 61 36 25 29  
SINCE SEP 1 61 36 25 29  
SINCE JAN 1 678 575 103 649    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 25 100 PM  
AVERAGE 61  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1939  
MINIMUM TEMPERATURE (F) 49 26 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 653 AM CDT SUNSET 724 PM CDT  
SEPTEMBER 16 2023.....SUNRISE 654 AM CDT SUNSET 722 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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