AFOS product CLISJU
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CDCA42 TJSJ 120430
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1228 AM AST SAT SEP 12 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 11 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         88    109 PM  94    1994  89     -1       89       
  MINIMUM         78    623 AM  71    1909  78      0       79       
  AVERAGE         83                        84     -1       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08          2.32 1918   0.20  -0.12     0.47    
  MONTH TO DATE    2.65                      2.30   0.35     5.74    
  SINCE SEP 1      2.65                      2.30   0.35     5.74    
  SINCE JAN 1     48.71                     35.92  12.79    30.17    
                                                                     
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       18                        19     -1       19       
  MONTH TO DATE  207                       209     -2      211       
  SINCE SEP 1    207                       209     -2      211       
  SINCE JAN 1   4411                      4073    338     4229       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (50)       
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    91                                                       
 LOWEST     63                                                       
 AVERAGE    77                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        94      2017                    
                                             2011                    
 MINIMUM TEMPERATURE (F)   78        72      1961                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 12 2020.....SUNRISE   611 AM AST   SUNSET   628 PM AST   
SEPTEMBER 13 2020.....SUNRISE   612 AM AST   SUNSET   628 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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