AFOS product CLISJU
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CDCA42 TJSJ 170431
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1230 AM AST SAT OCT 17 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 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         87    121 PM  94    1994  89     -2       89       
  MINIMUM         77   1159 PM  71    1964  77      0       78       
  AVERAGE         82                        83     -1       84      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.07          1.93 2017   0.18  -0.11      T      
  MONTH TO DATE    3.68                      2.62   1.06     0.45    
  SINCE SEP 1      8.71                      8.39   0.32     9.99    
  SINCE JAN 1     54.77                     42.01  12.76    34.42    
                                                                     
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       17                        18     -1       19       
  MONTH TO DATE  290                       288      2      312       
  SINCE SEP 1    873                       843     30      916       
  SINCE JAN 1   5077                      4700    377     4934       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    91                                                       
 LOWEST     80                                                       
 AVERAGE    86                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        95      1980                    
 MINIMUM TEMPERATURE (F)   77        69      1908                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 17 2020.......SUNRISE   618 AM AST   SUNSET   600 PM AST   
OCTOBER 18 2020.......SUNRISE   619 AM AST   SUNSET   559 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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