497  
CDUS43 KDMX 210628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 20 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 70 258 PM 88 1947 58 12 65  
MINIMUM 39 634 AM 15 1960 35 4 35  
AVERAGE 55 46 9 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.30 1916 0.08 -0.08 0.00  
MONTH TO DATE 1.75 1.77 -0.02 0.21  
SINCE SEP 1 3.80 5.22 -1.42 1.47  
SINCE JAN 1 22.47 32.53 -10.06 26.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.0 1916 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 19 -9 15  
MONTH TO DATE 255 289 -34 349  
SINCE SEP 1 310 453 -143 497  
SINCE JUL 1 333 489 -156 497  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 24 2 22 0  
SINCE SEP 1 121 59 62 53  
SINCE JAN 1 738 598 140 673    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 41 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 90 1947  
MINIMUM TEMPERATURE (F) 35 13 1930  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 734 AM CDT SUNSET 621 PM CDT  
OCTOBER 22 2023.......SUNRISE 735 AM CDT SUNSET 620 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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