AFOS product CLITUS
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CDUS45 KTWC 200729
CLITUS

CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ                                   
1229 AM MST WED DEC 20 2017


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

...THE TUCSON AZ CLIMATE SUMMARY FOR DECEMBER 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         65    334 PM  81    1917  64      1       71       
  MINIMUM         40    731 AM  19    1895  39      1       40       
  AVERAGE         53                        51      2       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.46 1967   0.03  -0.03     0.00    
  MONTH TO DATE    0.50                      0.59  -0.09     0.20    
  SINCE OCT 1      0.59                      2.05  -1.46     0.80    
  SINCE JAN 1     10.77                     11.25  -0.48    10.93    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                        14     -2        9       
  MONTH TO DATE  128                       240   -112      162       
  SINCE DEC 1    128                       240   -112      162       
  SINCE JUL 1    132                       446   -314      256       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    9                         0      9        3       
  SINCE DEC 1      9                         0      9        3       
  SINCE JAN 1   3918                      3146    772     3655       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER  MM                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    MM                                                       
 LOWEST     MM                                                       
 AVERAGE    MM                                                       

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

                                                                     
THE TUCSON AZ CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        80      2003                    
                                             1921                    
 MINIMUM TEMPERATURE (F)   39        20      1897                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2017......SUNRISE   720 AM MST   SUNSET   523 PM MST   
DECEMBER 21 2017......SUNRISE   721 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.                                          




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