177  
CDUS43 KDMX 160629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT TUE MAY 16 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 15 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 68 335 PM 91 1894 69 -1 76  
2001  
MINIMUM 43 504 AM 28 1983 46 -3 45  
2016  
AVERAGE 56 58 -2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1909 0.17 -0.17 0.00  
MONTH TO DATE 3.55 2.42 1.13 0.40  
SINCE MAR 1 8.25 8.86 -0.61 7.53  
SINCE JAN 1 12.14 10.97 1.17 8.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 8.4 10.3 -1.9 2.9  
SINCE JUL 1 45.0 44.4 0.6 25.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 8 1 4  
MONTH TO DATE 91 157 -66 134  
SINCE MAR 1 1733 1727 6 1806  
SINCE JUL 1 7470 7518 -48 7355  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 5 6 -1 37  
SINCE MAR 1 15 9 6 37  
SINCE JAN 1 15 9 6 37    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 37 200 PM  
AVERAGE 65  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1936  
MINIMUM TEMPERATURE (F) 47 26 1921  
 
SUNRISE AND SUNSET  
MAY 16 2023...........SUNRISE 549 AM CDT SUNSET 831 PM CDT  
MAY 17 2023...........SUNRISE 548 AM CDT SUNSET 832 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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