940  
CDUS43 KDMX 220631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT TUE AUG 22 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 21 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 91 318 PM 100 1947 80 11 78  
MINIMUM 64 422 AM 36 2004 57 7 58  
AVERAGE 78 68 10 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.25 1979 0.12 -0.12 0.00  
MONTH TO DATE 1.76 2.59 -0.83 6.22  
SINCE JUN 1 6.18 12.41 -6.23 13.54  
SINCE JAN 1 18.32 26.11 -7.79 24.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 11 -7 0  
SINCE JUN 1 36 60 -24 28  
SINCE JUL 1 22 21 1 0  
 
COOLING  
YESTERDAY 13 4 9 3  
MONTH TO DATE 132 110 22 106  
SINCE JUN 1 482 464 18 506  
SINCE JAN 1 527 502 25 574    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 59 200 PM  
AVERAGE 78  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1947  
MINIMUM TEMPERATURE (F) 57 40 1923  
 
SUNRISE AND SUNSET  
AUGUST 22 2023........SUNRISE 626 AM CDT SUNSET 805 PM CDT  
AUGUST 23 2023........SUNRISE 628 AM CDT SUNSET 804 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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