827  
CDUS43 KDMX 200634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT FRI OCT 20 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 19 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 61 332 PM 84 2003 58 3 46  
MINIMUM 41 1142 PM 12 1972 35 6 14  
AVERAGE 51 47 4 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 1982 0.08 -0.08 0.00  
MONTH TO DATE 1.75 1.69 0.06 0.21  
SINCE SEP 1 3.80 5.14 -1.34 1.47  
SINCE JAN 1 22.47 32.45 -9.98 26.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 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 14 18 -4 35  
MONTH TO DATE 245 270 -25 334  
SINCE SEP 1 300 434 -134 482  
SINCE JUL 1 323 470 -147 482  
 
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 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 69 500 PM  
AVERAGE 85  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 88 1947  
MINIMUM TEMPERATURE (F) 35 15 1960  
 
SUNRISE AND SUNSET  
OCTOBER 20 2023.......SUNRISE 733 AM CDT SUNSET 623 PM CDT  
OCTOBER 21 2023.......SUNRISE 734 AM CDT SUNSET 621 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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