967 
CDUS45 KTWC 200738
CLITUS

CLIMATE REPORT 
NATIONAL WEATHER SERVICE TUCSON AZ
1238 AM MST THU MAY 20 2021

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

...THE TUCSON AZ CLIMATE SUMMARY FOR MAY 19 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         96    409 PM 104    1925  93      3       93       
  MINIMUM         66    501 AM  42    1903  63      3       64       
  AVERAGE         81                        78      3       79     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.74 1917   0.01  -0.01     0.00     
  MONTH TO DATE    0.00                      0.12  -0.12     0.01     
  SINCE OCT 1      1.44                      4.79  -3.35     5.63     
  SINCE JAN 1      1.04                      2.60  -1.56     2.10     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0                                                
  MONTH TO DATE    0.0                                                
  SINCE JUL 1      1.0                                                

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1    179                       182     -3      155        
  SINCE JUL 1   1198                      1327   -129     1258        

 COOLING                                                              
  YESTERDAY       16                        13      3       14        
  MONTH TO DATE  248                       188     60      302        
  SINCE MAR 1    515                       367    148      481        
  SINCE JAN 1    521                       373    148      481        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)       
  AVERAGE WIND SPEED     7.4                                        


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    31           500 AM                                      
 LOWEST      9           500 PM                                      
 AVERAGE    20                                                        

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


THE TUCSON AZ CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   93       105      2005                      
 MINIMUM TEMPERATURE (F)   63        39      1902                      


SUNRISE AND SUNSET                                                    
MAY 20 2021...........SUNRISE   523 AM MST   SUNSET   718 PM MST     
MAY 21 2021...........SUNRISE   522 AM MST   SUNSET   719 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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