AFOS product CLISJU
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
177 
CDCA42 TJSJ 210429
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1228 AM AST MON SEP 21 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 20 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   1058 AM  95    1981  89      1       91       
  MINIMUM         78    650 AM  72    1920  78      0       80       
  AVERAGE         84                        83      1       86      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          7.11 2017   0.19  -0.16      T      
  MONTH TO DATE    2.96                      4.00  -1.04     7.14    
  SINCE SEP 1      2.96                      4.00  -1.04     7.14    
  SINCE JAN 1     49.02                     37.62  11.40    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       21       
  MONTH TO DATE  387                       375     12      402       
  SINCE SEP 1    387                       375     12      402       
  SINCE JAN 1   4591                      4239    352     4420       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     4.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85                                                       
 LOWEST     56                                                       
 AVERAGE    71                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89        95      2019                    
 MINIMUM TEMPERATURE (F)   78        71      1960                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 21 2020.....SUNRISE   613 AM AST   SUNSET   621 PM AST   
SEPTEMBER 22 2020.....SUNRISE   613 AM AST   SUNSET   620 PM AST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$