901  
CDUS43 KDMX 090635  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 8 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 80 342 PM 96 1931 77 3 82  
MINIMUM 46 605 AM 37 1995 52 -6 57  
AVERAGE 63 64 -1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.60 1941 0.12 -0.12 0.00  
MONTH TO DATE T 0.93 -0.93 0.31  
SINCE SEP 1 T 0.93 -0.93 0.31  
SINCE JAN 1 18.67 28.24 -9.57 25.57  
 
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 2 3 -1 0  
MONTH TO DATE 9 20 -11 5  
SINCE SEP 1 9 20 -11 5  
SINCE JUL 1 32 56 -24 5  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 60 24 36 28  
SINCE SEP 1 60 24 36 28  
SINCE JAN 1 677 563 114 648    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 2.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 29 400 PM  
AVERAGE 63  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 99 2013  
MINIMUM TEMPERATURE (F) 51 34 1924  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 646 AM CDT SUNSET 734 PM CDT  
SEPTEMBER 10 2023.....SUNRISE 647 AM CDT SUNSET 733 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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