AFOS product CLITUS
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CDUS45 KTWC 171040
CLITUS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE TUCSON AZ
340 AM MST SUN AUG 17 2025

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

...THE TUCSON AZ CLIMATE SUMMARY FOR AUGUST 16 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         96    244 PM 110    2020  99     -3      106       
  MINIMUM         77    628 AM  60    1938  75      2       82       
  AVERAGE         87                        87      0       94     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.91 1944   0.06  -0.06     0.00     
  MONTH TO DATE    0.05                      1.09  -1.04     0.95     
  SINCE OCT 1      3.27                      8.40  -5.13    12.66     
  SINCE JAN 1      2.84                      6.21  -3.37    10.72     

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       22                        22      0       29        
  MONTH TO DATE  437                       352     85      399        
  SINCE JUN 1   1918                      1707    211     1970        
  SINCE JAN 1   2583                      2262    321     2507        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    SE (150)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    SE (140)       
  AVERAGE WIND SPEED     8.5                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  RAIN                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    58           400 AM                                      
 LOWEST     29           300 PM                                      
 AVERAGE    44                                                        

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


THE TUCSON AZ CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   99       109      2020                      
 MINIMUM TEMPERATURE (F)   75        60      1938                      


SUNRISE AND SUNSET                                                    
AUGUST 17 2025........SUNRISE   550 AM MST   SUNSET   705 PM MST     
AUGUST 18 2025........SUNRISE   550 AM MST   SUNSET   704 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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