737  
CDUS43 KDMX 010646  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 31 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 80 332 PM 93 1898 79 1 84  
MINIMUM 49 543 AM 38 2009 54 -5 57  
AVERAGE 65 66 -1 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1969 0.12 -0.12 0.00  
MONTH TO DATE 2.11 3.79 -1.68 7.12  
SINCE JUN 1 6.53 13.61 -7.08 14.44  
SINCE JAN 1 18.67 27.31 -8.64 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 25 -20 0  
SINCE JUN 1 37 74 -37 28  
SINCE JUL 1 23 35 -12 0  
 
COOLING  
YESTERDAY 0 3 -3 6  
MONTH TO DATE 222 147 75 152  
SINCE JUN 1 572 501 71 552  
SINCE JAN 1 617 539 78 620    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 9.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 35 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 97 1913  
MINIMUM TEMPERATURE (F) 54 35 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 637 AM CDT SUNSET 748 PM CDT  
SEPTEMBER 2 2023.....SUNRISE 638 AM CDT SUNSET 747 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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