AFOS product CLISJU
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CDCA42 TJSJ 010757
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
357 AM AST FRI JAN 01 2021

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 31 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  11:50 AM  87    1995  83      0       85        
  MINIMUM         73   1:43 AM  65    1917  73      0       76        
  AVERAGE         78                        78      0       81     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.13          2.50 1936   0.15  -0.02     0.14     
  MONTH TO DATE    4.68                      5.02  -0.34     5.78     
  SINCE DEC 1      4.68                      5.02  -0.34     5.78     
  SINCE JAN 1     69.85                     56.35  13.50    46.92     

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       16        
  MONTH TO DATE  441                       423     18      519        
  SINCE DEC 1    441                       423     18      519        
  SINCE JAN 1   6279                      5847    432     6249        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     E (90)        
  AVERAGE WIND SPEED    19.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79                                                        
 LOWEST     65                                                        
 AVERAGE    72                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   83        87      1987                      
 MINIMUM TEMPERATURE (F)   73        66      1957                      


SUNRISE AND SUNSET                                                    
JANUARY  1 2021.......SUNRISE   6:56 AM AST   SUNSET   5:59 PM AST     
JANUARY  2 2021.......SUNRISE   6:57 AM AST   SUNSET   6:00 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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