616  
CDUS43 KDMX 160648  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
148 AM CDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 15 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 66 509 PM 95 1939 75 -9 82  
MINIMUM 54 1151 PM 26 2011 49 5 56  
AVERAGE 60 62 -2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 2.86 1936 0.11 0.09 0.00  
MONTH TO DATE 0.23 1.76 -1.53 1.04  
SINCE SEP 1 0.23 1.76 -1.53 1.04  
SINCE JAN 1 18.90 29.07 -10.17 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 5 5 0 0  
MONTH TO DATE 39 50 -11 34  
SINCE SEP 1 39 50 -11 34  
SINCE JUL 1 62 86 -24 34  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 61 38 23 33  
SINCE SEP 1 61 38 23 33  
SINCE JAN 1 678 577 101 653    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 PM  
LOWEST 50 100 AM  
AVERAGE 75  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1931  
MINIMUM TEMPERATURE (F) 49 30 1937  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 654 AM CDT SUNSET 722 PM CDT  
SEPTEMBER 17 2023.....SUNRISE 655 AM CDT SUNSET 720 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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