533  
CDUS43 KDMX 130628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT WED SEP 13 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 12 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 75 127 PM 95 1927 76 -1 73  
MINIMUM 40 1043 PM 33 1940 50 -10 45  
AVERAGE 58 63 -5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 5.20 1978 0.12 -0.12 0.00  
MONTH TO DATE 0.03 1.42 -1.39 1.04  
SINCE SEP 1 0.03 1.42 -1.39 1.04  
SINCE JAN 1 18.70 28.73 -10.03 26.30  
 
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 SEP 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 7 4 3 6  
MONTH TO DATE 22 36 -14 26  
SINCE SEP 1 22 36 -14 26  
SINCE JUL 1 45 72 -27 26  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 61 32 29 29  
SINCE SEP 1 61 32 29 29  
SINCE JAN 1 678 571 107 649    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 39 500 PM  
AVERAGE 66  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1939  
MINIMUM TEMPERATURE (F) 50 31 2014  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 650 AM CDT SUNSET 727 PM CDT  
SEPTEMBER 14 2023.....SUNRISE 652 AM CDT SUNSET 725 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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