179  
CDUS43 KDMX 180631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT FRI OCT 18 2024  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 17 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 318 PM 85 1947 59 10 65  
MINIMUM 31 1228 AM 18 1952 36 -5 31  
AVERAGE 50 48 2 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.23 1994 0.08 -0.08 0.00  
MONTH TO DATE T 1.53 -1.53 1.75  
SINCE SEP 1 0.43 4.98 -4.55 3.80  
SINCE JAN 1 28.69 32.29 -3.60 22.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1990 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 15 17 -2 17  
MONTH TO DATE 183 234 -51 221  
SINCE SEP 1 246 398 -152 276  
SINCE JUL 1 267 434 -167 299  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 6 2 4 24  
SINCE SEP 1 97 59 38 121  
SINCE JAN 1 616 598 18 738    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 17.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 500 AM  
LOWEST 17 400 PM  
AVERAGE 45  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 85 1920  
MINIMUM TEMPERATURE (F) 36 17 1972  
 
SUNRISE AND SUNSET  
OCTOBER 18 2024.......SUNRISE 731 AM CDT SUNSET 625 PM CDT  
OCTOBER 19 2024.......SUNRISE 733 AM CDT SUNSET 623 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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