AFOS product CLITUS
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CDUS45 KTWC 190742
CLITUS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE TUCSON AZ
1242 AM MST SUN DEC 19 2021

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

...THE TUCSON AZ CLIMATE SUMMARY FOR DECEMBER 18 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         62    324 PM  80    1950  65     -3       65       
  MINIMUM         30    759 AM  23    1916  40    -10       39       
                                      1933                           
  AVERAGE         46                        52     -6       52     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.67 1978   0.03  -0.03     0.00     
  MONTH TO DATE    0.46                      0.57  -0.11     0.24     
  SINCE OCT 1      0.48                      1.80  -1.32     0.39     
  SINCE JAN 1     14.31                     10.22   4.09     4.16     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  MONTH TO DATE   MM                                                  
  SINCE JUL 1     MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       19                        13      6       13        
  MONTH TO DATE  121                       207    -86      176        
  SINCE DEC 1    121                       207    -86      176        
  SINCE JUL 1    160                       376   -216      353        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    7                         0      7        3        
  SINCE DEC 1      7                         0      7        3        
  SINCE JAN 1   3600                      3423    177     4150        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (340)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (360)       
  AVERAGE WIND SPEED     4.6                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           800 AM                                      
 LOWEST     24           300 PM                                      
 AVERAGE    55                                                        

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


THE TUCSON AZ CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   65        81      1917                      
 MINIMUM TEMPERATURE (F)   40        19      1895                      


SUNRISE AND SUNSET                                                    
DECEMBER 19 2021......SUNRISE   720 AM MST   SUNSET   522 PM MST     
DECEMBER 20 2021......SUNRISE   720 AM MST   SUNSET   523 PM MST     


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




$$