AFOS product CLISJU
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CDCA42 TJSJ 180427
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1226 AM AST FRI SEP 18 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 17 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   1219 PM  95    1995  89      1       92       
  MINIMUM         83   1159 PM  72    1954  78      5       80       
  AVERAGE         87                        84      3       86      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.68 1911   0.18  -0.18     0.01    
  MONTH TO DATE    2.89                      3.44  -0.55     7.06    
  SINCE SEP 1      2.89                      3.44  -0.55     7.06    
  SINCE JAN 1     48.95                     37.06  11.89    31.49    
                                                                     
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       22                        18      4       21       
  MONTH TO DATE  329                       321      8      338       
  SINCE SEP 1    329                       321      8      338       
  SINCE JAN 1   4533                      4185    348     4356       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     9.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85                                                       
 LOWEST     63                                                       
 AVERAGE    74                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        96      1995                    
 MINIMUM TEMPERATURE (F)   78        71      1960                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2020.....SUNRISE   612 AM AST   SUNSET   623 PM AST   
SEPTEMBER 19 2020.....SUNRISE   612 AM AST   SUNSET   622 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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