AFOS product CLIMCW
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CLIMCW

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
1228 AM CST FRI DEC 22 2023

...................................

...THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 21 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         40    235 PM  55    1941  28     12        9       
  MINIMUM         26    330 AM -23    1989  12     14       -7       
  AVERAGE         33                        20     13        1     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.90 1920   0.04  -0.04     0.19     
  MONTH TO DATE    0.11                      0.91  -0.80     1.10     
  SINCE DEC 1      0.11                      0.91  -0.80     1.10     
  SINCE JAN 1     24.40                     35.87 -11.47    28.86     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           8.0  1920   0.3   -0.3      2.6      
  MONTH TO DATE    T                         6.0   -6.0     12.1      
  SINCE DEC 1      T                         6.0   -6.0     12.1      
  SINCE JUL 1      1.9                       9.4   -7.5     16.1      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       32                        45    -13       64        
  MONTH TO DATE  746                       878   -132      919        
  SINCE DEC 1    746                       878   -132      919        
  SINCE JUL 1   2128                      2535   -407     2531        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1    743                       602    141      675        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (140)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SE (130)       
  AVERAGE WIND SPEED     8.7                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           900 PM                                      
 LOWEST     70          1100 AM                                      
 AVERAGE    85                                                        

..........................................................


THE MASON CITY IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   27        55      1941                      
 MINIMUM TEMPERATURE (F)   12       -22      1989                      


SUNRISE AND SUNSET                                                    
DECEMBER 22 2023......SUNRISE   742 AM CST   SUNSET   441 PM CST     
DECEMBER 23 2023......SUNRISE   743 AM CST   SUNSET   442 PM CST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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