254  
CDUS43 KDMX 210634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT TUE MAY 21 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 20 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 81 504 PM 96 1934 71 10 71  
MINIMUM 59 554 AM 28 1907 49 10 38  
AVERAGE 70 60 10 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 2.36 1959 0.16 -0.11 0.00  
MONTH TO DATE 4.60 3.26 1.34 3.55  
SINCE MAR 1 11.29 9.70 1.59 8.25  
SINCE JAN 1 12.27 11.81 0.46 12.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 4.5 10.3 -5.8 8.4  
SINCE JUL 1 17.8 44.4 -26.6 45.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 10  
MONTH TO DATE 133 192 -59 123  
SINCE MAR 1 1484 1762 -278 1765  
SINCE JUL 1 6250 7553 -1303 7502  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 13 11 2 6  
SINCE MAR 1 13 14 -1 16  
SINCE JAN 1 13 14 -1 16    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 500 AM  
LOWEST 54 300 PM  
AVERAGE 75  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 1970  
MINIMUM TEMPERATURE (F) 49 30 1895  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 543 AM CDT SUNSET 837 PM CDT  
MAY 22 2024...........SUNRISE 543 AM CDT SUNSET 838 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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