AFOS product CLISJU
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CDCA42 TJSJ 100426
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1225 AM AST THU SEP 10 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 9 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    106 PM  94    2013  89      1       89       
  MINIMUM         78    641 AM  70    1988  78      0       78       
  AVERAGE         84                        84      0       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.82 1988   0.21  -0.21     0.27    
  MONTH TO DATE    2.57                      1.90   0.67     4.85    
  SINCE SEP 1      2.57                      1.90   0.67     4.85    
  SINCE JAN 1     48.63                     35.52  13.11    29.28    
                                                                     
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                        19      0       19       
  MONTH TO DATE  170                       171     -1      172       
  SINCE SEP 1    170                       171     -1      172       
  SINCE JAN 1   4374                      4035    339     4190       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (60)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    97                                                       
 LOWEST     64                                                       
 AVERAGE    81                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        94      2017                    
                                             1998                    
 MINIMUM TEMPERATURE (F)   78        71      1961                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 10 2020.....SUNRISE   611 AM AST   SUNSET   630 PM AST   
SEPTEMBER 11 2020.....SUNRISE   611 AM AST   SUNSET   629 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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