AFOS product CLISJU
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CDCA42 TJSJ 220440
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1239 AM AST TUE SEP 22 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 21 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         90    218 PM  95    2019  89      1       95       
  MINIMUM         78    625 AM  71    1960  78      0       81       
  AVERAGE         84                        83      1       88      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             4.04 1998   0.18  -0.18      T      
  MONTH TO DATE    2.96                      4.18  -1.22     7.14    
  SINCE SEP 1      2.96                      4.18  -1.22     7.14    
  SINCE JAN 1     49.02                     37.80  11.22    31.57    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE SEP 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 SEP 1      0                         0      0        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       19                        18      1       23       
  MONTH TO DATE  406                       393     13      425       
  SINCE SEP 1    406                       393     13      425       
  SINCE JAN 1   4610                      4257    353     4443       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (20)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     4.2                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79                                                       
 LOWEST     59                                                       
 AVERAGE    69                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        94      2013                    
                                             1999                    
 MINIMUM TEMPERATURE (F)   78        71      1947                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 22 2020.....SUNRISE   613 AM AST   SUNSET   620 PM AST   
SEPTEMBER 23 2020.....SUNRISE   613 AM AST   SUNSET   619 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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