AFOS product CLISJU
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CDCA42 TJSJ 310430
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
1230 AM AST THU DEC 31 2020

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 30 2020...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1898 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         83   3:03 PM  89    1997  83      0       83        
  MINIMUM         72   5:37 AM  63    1917  73     -1       76        
  AVERAGE         78                        78      0       80     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.06          2.25 1936   0.14  -0.08     0.64     
  MONTH TO DATE    4.55                      4.87  -0.32     5.64     
  SINCE DEC 1      4.55                      4.87  -0.32     5.64     
  SINCE JAN 1     69.75                     56.20  13.55    46.78     

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       13                        13      0       15        
  MONTH TO DATE  428                       408     20      503        
  SINCE DEC 1    428                       408     20      503        
  SINCE JAN 1   6266                      5834    432     6233        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NE (30)        
  AVERAGE WIND SPEED    15.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87                                                        
 LOWEST     57                                                        
 AVERAGE    72                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   83        87      1995                      
 MINIMUM TEMPERATURE (F)   73        65      1917                      


SUNRISE AND SUNSET                                                    
DECEMBER 31 2020......SUNRISE   6:56 AM AST   SUNSET   5:59 PM AST     
JANUARY  1 2021.......SUNRISE   6:56 AM AST   SUNSET   5:59 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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