485  
CDUS43 KDMX 220629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT FRI SEP 22 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 21 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 80 136 PM 93 1937 72 8 72  
MINIMUM 51 631 AM 29 1999 47 4 48  
AVERAGE 66 60 6 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1980 0.12 -0.12 0.00  
MONTH TO DATE 0.55 2.46 -1.91 1.10  
SINCE SEP 1 0.55 2.46 -1.91 1.10  
SINCE JAN 1 19.22 29.77 -10.55 26.36  
 
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 5  
MONTH TO DATE 51 86 -35 40  
SINCE SEP 1 51 86 -35 40  
SINCE JUL 1 74 122 -48 40  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 68 48 20 53  
SINCE SEP 1 68 48 20 53  
SINCE JAN 1 685 587 98 673    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 43 100 PM  
AVERAGE 72  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 1937  
MINIMUM TEMPERATURE (F) 46 25 1913  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 700 AM CDT SUNSET 711 PM CDT  
SEPTEMBER 23 2023.....SUNRISE 701 AM CDT SUNSET 709 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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