167   
CDCA42 TJSJ 200910  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
510 AM AST FRI DEC 20 2024  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 19 2024  
  
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2024  
  
WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST        
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR       
                                                  NORMAL              
...............................................................  
  
TEMPERATURE (F)                                                            
 YESTERDAY                                                             
  MAXIMUM         86  12:02 PM  89    1994  84      2       85          
  MINIMUM         76   6:47 AM  66    1898  73      3       73          
  AVERAGE         81                        79      2       79       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.46          4.49 1903   0.15   0.31     0.02       
  MONTH TO DATE    3.38                      3.21   0.17     5.56       
  SINCE DEC 1      3.38                      3.21   0.17     5.56       
  SINCE JAN 1     77.61                     58.23  19.38    54.02       
  
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       16                        14      2       14          
  MONTH TO DATE  320                       266     54      302          
  SINCE DEC 1    320                       266     54      302          
  SINCE JAN 1   6587                      5639    948     6201           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     E (100)         
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     E (100)         
  AVERAGE WIND SPEED     9.2                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.5                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  HEAVY RAIN                                                            
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    94                                                          
 LOWEST     70                                                          
 AVERAGE    82                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   84        90      1995                        
 MINIMUM TEMPERATURE (F)   73        66      1959                        
  
SUNRISE AND SUNSET                                                      
DECEMBER 20 2024......SUNRISE   6:51 AM AST   SUNSET   5:53 PM AST       
DECEMBER 21 2024......SUNRISE   6:52 AM AST   SUNSET   5:53 PM AST       
  
M  INDICATES NEGATIVE NUMBERS.  
R  INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T  INDICATES TRACE AMOUNT.  
  
  
 
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