166  
CDUS43 KDMX 310627  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT TUE OCT 31 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 30 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 38 337 PM 82 1950 52 -14 59  
MINIMUM 19 622 AM -4 1925 31 -12 35  
AVERAGE 29 42 -13 47  
 
PRECIPITATION (IN)  
YESTERDAY T 1.01 1919 0.06 -0.06 0.00  
MONTH TO DATE 3.38 2.46 0.92 0.42  
SINCE SEP 1 5.43 5.91 -0.48 1.68  
SINCE JAN 1 24.10 33.22 -9.12 26.94  
 
SNOWFALL (IN)  
YESTERDAY MM 1.5 1989 0.1 MM 0.0  
MONTH TO DATE 0.1 0.4 -0.3 0.0  
SINCE SEP 1 0.1 0.4 -0.3 0.0  
SINCE JUL 1 0.1 0.4 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 23 13 18  
MONTH TO DATE 430 500 -70 508  
SINCE SEP 1 485 664 -179 656  
SINCE JUL 1 508 700 -192 656  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 29 2 27 2  
SINCE SEP 1 126 59 67 55  
SINCE JAN 1 743 598 145 675    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 14.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 700 AM  
LOWEST 46 300 PM  
AVERAGE 67  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 80 1950  
MINIMUM TEMPERATURE (F) 31 8 1925  
 
SUNRISE AND SUNSET  
OCTOBER 31 2023.......SUNRISE 747 AM CDT SUNSET 607 PM CDT  
NOVEMBER 1 2023......SUNRISE 748 AM CDT SUNSET 605 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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