829  
CDUS43 KDMX 170631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT WED MAY 17 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 16 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 78 335 PM 91 1936 70 8 78  
MINIMUM 45 355 AM 26 1921 47 -2 46  
AVERAGE 62 58 4 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.18 1992 0.18 -0.18 0.00  
MONTH TO DATE 3.55 2.60 0.95 0.40  
SINCE MAR 1 8.25 9.04 -0.79 7.53  
SINCE JAN 1 12.14 11.15 0.99 8.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 1992 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 8.4 10.3 -1.9 2.9  
SINCE JUL 1 45.0 44.4 0.6 25.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 8 -5 3  
MONTH TO DATE 94 165 -71 137  
SINCE MAR 1 1736 1735 1 1809  
SINCE JUL 1 7473 7526 -53 7358  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 5 7 -2 37  
SINCE MAR 1 15 10 5 37  
SINCE JAN 1 15 10 5 37    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 32 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 1934  
MINIMUM TEMPERATURE (F) 47 28 1930  
 
SUNRISE AND SUNSET  
MAY 17 2023...........SUNRISE 548 AM CDT SUNSET 832 PM CDT  
MAY 18 2023...........SUNRISE 547 AM CDT SUNSET 833 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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