AFOS product CLISJU
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CDCA42 TJSJ 190428
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
1228 AM AST TUE DEC 19 2023

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 18 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         85  10:54 AM  89    1980  84      1       86        
  MINIMUM         73   6:07 AM  65    1958  73      0       74        
  AVERAGE         79                        79      0       80     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          1.09 1952   0.14  -0.13      T       
  MONTH TO DATE    5.54                      3.06   2.48     2.14     
  SINCE DEC 1      5.54                      3.06   2.48     2.14     
  SINCE JAN 1     54.05                     58.08  -4.03    70.18     

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

 COOLING                                                              
  YESTERDAY       14                        14      0       15        
  MONTH TO DATE  288                       252     36      259        
  SINCE DEC 1    288                       252     36      259        
  SINCE JAN 1   6187                      5625    562     5723        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (90)        
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)        
  AVERAGE WIND SPEED     7.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  RAIN                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87                                                        
 LOWEST     67                                                        
 AVERAGE    77                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   84        89      1994                      
 MINIMUM TEMPERATURE (F)   73        66      1898                      


SUNRISE AND SUNSET                                                    
DECEMBER 19 2023......SUNRISE   6:50 AM AST   SUNSET   5:52 PM AST     
DECEMBER 20 2023......SUNRISE   6:51 AM AST   SUNSET   5:52 PM AST     


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




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