615  
CDUS43 KDMX 310638  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
138 AM CDT THU AUG 31 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 30 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 80 316 PM 99 2012 79 1 77  
MINIMUM 55 139 AM 30 1915 55 0 53  
AVERAGE 68 67 1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.21 1962 0.13 -0.13 0.00  
MONTH TO DATE 2.11 3.67 -1.56 7.12  
SINCE JUN 1 6.53 13.49 -6.96 14.44  
SINCE JAN 1 18.67 27.19 -8.52 25.26  
 
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 2 -2 0  
MONTH TO DATE 5 23 -18 0  
SINCE JUN 1 37 72 -35 28  
SINCE JUL 1 23 33 -10 0  
 
COOLING  
YESTERDAY 3 4 -1 0  
MONTH TO DATE 222 146 76 146  
SINCE JUN 1 572 500 72 546  
SINCE JAN 1 617 538 79 614    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 45 200 PM  
AVERAGE 73  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1898  
MINIMUM TEMPERATURE (F) 54 38 2009  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 636 AM CDT SUNSET 750 PM CDT  
SEPTEMBER 1 2023.....SUNRISE 637 AM CDT SUNSET 748 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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