909  
CDUS43 KDMX 120639  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 11 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 78 506 PM 93 2022 68 10 93  
MINIMUM 57 1013 AM 25 1925 45 12 60  
AVERAGE 68 56 12 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.55 1.50 1999 0.17 0.38 0.00  
MONTH TO DATE 1.84 1.74 0.10 0.40  
SINCE MAR 1 6.54 8.18 -1.64 7.53  
SINCE JAN 1 10.43 10.29 0.14 8.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE MAR 1 8.4 10.2 -1.8 2.9  
SINCE JUL 1 45.0 44.3 0.7 25.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 9 -9 0  
MONTH TO DATE 72 123 -51 129  
SINCE MAR 1 1714 1693 21 1801  
SINCE JUL 1 7451 7484 -33 7350  
 
COOLING  
YESTERDAY 3 1 2 12  
MONTH TO DATE 5 2 3 21  
SINCE MAR 1 15 5 10 21  
SINCE JAN 1 15 5 10 21    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 PM  
LOWEST 54 500 PM  
AVERAGE 75  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 94 2022  
MINIMUM TEMPERATURE (F) 45 26 1895  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 553 AM CDT SUNSET 827 PM CDT  
MAY 13 2023...........SUNRISE 552 AM CDT SUNSET 828 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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