447  
CDUS43 KDMX 240635  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 23 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 74 149 PM 90 2017 72 2 58  
MINIMUM 61 300 PM 28 2012 46 15 46  
AVERAGE 68 59 9 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.92 1.65 2016 0.11 0.81 0.16  
MONTH TO DATE 1.78 2.68 -0.90 1.26  
SINCE SEP 1 1.78 2.68 -0.90 1.26  
SINCE JAN 1 20.45 29.99 -9.54 26.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 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 7 -7 13  
MONTH TO DATE 51 100 -49 64  
SINCE SEP 1 51 100 -49 64  
SINCE JUL 1 74 136 -62 64  
 
COOLING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 72 50 22 53  
SINCE SEP 1 72 50 22 53  
SINCE JAN 1 689 589 100 673    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 74 100 PM  
AVERAGE 87  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 2017  
MINIMUM TEMPERATURE (F) 46 29 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 703 AM CDT SUNSET 707 PM CDT  
SEPTEMBER 25 2023.....SUNRISE 704 AM CDT SUNSET 705 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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