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359 
CDUS45 KTWC 180734
CLITUS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE TUCSON AZ
1234 AM MST WED AUG 18 2021

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

...THE TUCSON AZ CLIMATE SUMMARY FOR AUGUST 17 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         89    523 PM 109    2020  99    -10      109       
  MINIMUM         70    638 AM  60    1938  75     -5       80       
  AVERAGE         80                        87     -7       95     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.30          1.27 1955   0.06   0.24     0.00     
  MONTH TO DATE    3.61                      1.15   2.46     0.27     
  SINCE OCT 1     13.28                      8.46   4.82     6.41     
  SINCE JAN 1     12.88                      6.27   6.61     2.88     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  MONTH TO DATE    0.0                                                
  SINCE JUL 1      0.0                                                

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1      0                         0      0        0        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       15                        22     -7       30        
  MONTH TO DATE  352                       374    -22      494        
  SINCE JUN 1   1758                      1729     29     1972        
  SINCE JAN 1   2449                      2284    165     2641        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SE (130)       
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    SE (120)       
  AVERAGE WIND SPEED     7.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           300 AM                                      
 LOWEST     51           500 PM                                      
 AVERAGE    74                                                        

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


THE TUCSON AZ CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   99       108      2020                      
 MINIMUM TEMPERATURE (F)   75        61      1918                      


SUNRISE AND SUNSET                                                    
AUGUST 18 2021........SUNRISE   550 AM MST   SUNSET   704 PM MST     
AUGUST 19 2021........SUNRISE   551 AM MST   SUNSET   703 PM MST     


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




$$