AFOS product CLISJU
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CDCA42 TJSJ 170425
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1225 AM AST MON AUG 17 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 16 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         89   1222 PM  93    1992  89      0       89       
  MINIMUM         82   1159 PM  73    2005  78      4       82       
  AVERAGE         86                        84      2       86      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          2.70 1926   0.18  -0.16     0.06    
  MONTH TO DATE    1.24                      2.54  -1.30     0.46    
  SINCE JUN 1     15.56                     12.02   3.54    10.19    
  SINCE JAN 1     43.81                     30.70  13.11    20.51    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      0                         0      0        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       21                        19      2       21       
  MONTH TO DATE  321                       304     17      322       
  SINCE JUN 1   1522                      1423     99     1485       
  SINCE JAN 1   3912                      3588    324     3724       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     4.3                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    88                                                       
 LOWEST     70                                                       
 AVERAGE    79                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        93      1984                    
 MINIMUM TEMPERATURE (F)   78        71      1903                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 17 2020........SUNRISE   606 AM AST   SUNSET   649 PM AST   
AUGUST 18 2020........SUNRISE   607 AM AST   SUNSET   648 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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