AFOS product CLISJU
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CDCA42 TJSJ 210438
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1236 AM AST THU MAY 21 2020


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 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         89   1123 AM  92    1999  88      1       88       
  MINIMUM         78    556 AM  68    1957  77      1       78       
  AVERAGE         84                        82      2       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.06          3.54 1987   0.20  -0.14     0.05    
  MONTH TO DATE    1.23                      3.86  -2.63     1.25    
  SINCE MAR 1     10.45                     10.49  -0.04     5.33    
  SINCE JAN 1     27.79                     16.64  11.15     9.60    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE MAR 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 MAR 1      0                         0      0        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       19                        17      2       18       
  MONTH TO DATE  377                       331     46      343       
  SINCE MAR 1   1278                      1221     57     1276       
  SINCE JAN 1   2167                      1972    195     2050       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79                                                       
 LOWEST     59                                                       
 AVERAGE    69                                                       

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

                                                                     
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   88        95      2005                    
 MINIMUM TEMPERATURE (F)   77        69      2011                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 21 2020...........SUNRISE   549 AM AST   SUNSET   653 PM AST   
MAY 22 2020...........SUNRISE   548 AM AST   SUNSET   653 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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