AFOS product CLITUS
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CDUS45 KTWC 210737
CLITUS

CLIMATE REPORT
NATIONAL WEATHER SERVICE TUCSON AZ                                   
1237 AM MST THU DEC 21 2017


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

...THE TUCSON AZ CLIMATE SUMMARY FOR DECEMBER 20 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         69    446 PM  80    2003  64      5       75       
                                      1921                          
  MINIMUM         40    713 AM  20    1897  39      1       48       
  AVERAGE         55                        51      4       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.07 1914   0.02  -0.02      T      
  MONTH TO DATE    0.50                      0.61  -0.11     0.20    
  SINCE OCT 1      0.59                      2.07  -1.48     0.80    
  SINCE JAN 1     10.77                     11.27  -0.50    10.93    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        14     -4        3       
  MONTH TO DATE  138                       254   -116      165       
  SINCE DEC 1    138                       254   -116      165       
  SINCE JUL 1    142                       460   -318      259       
                                                                     
 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    16   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
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      1917                    
 MINIMUM TEMPERATURE (F)   39        20      1930                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2017......SUNRISE   721 AM MST   SUNSET   523 PM MST   
DECEMBER 22 2017......SUNRISE   721 AM MST   SUNSET   524 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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