316  
CDUS43 KDMX 180636  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
136 AM CDT SAT MAY 18 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 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 82 329 PM 94 1934 70 12 71  
MINIMUM 48 322 AM 28 1930 47 1 51  
AVERAGE 65 59 6 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.55 2020 0.16 -0.16 0.00  
MONTH TO DATE 4.55 2.76 1.79 3.55  
SINCE MAR 1 11.24 9.20 2.04 8.25  
SINCE JAN 1 12.22 11.31 0.91 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 7 -7 4  
MONTH TO DATE 126 172 -46 98  
SINCE MAR 1 1477 1742 -265 1740  
SINCE JUL 1 6243 7533 -1290 7477  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 8 -6 5  
SINCE MAR 1 2 11 -9 15  
SINCE JAN 1 2 11 -9 15    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 12.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 34 500 PM  
AVERAGE 64  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 97 1934  
MINIMUM TEMPERATURE (F) 48 31 2002  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 546 AM CDT SUNSET 834 PM CDT  
MAY 19 2024...........SUNRISE 545 AM CDT SUNSET 835 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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