733  
CDCA42 TJSJ 212130  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
529 PM AST TUE NOV 21 2017  
 
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR NOVEMBER 21 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 156 PM 91 2009 85 3 81  
MINIMUM 74 617 AM 67 1957 75 -1 75  
AVERAGE 81 80 1 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.84 1924 0.21 -0.21 1.45  
MONTH TO DATE 10.04 4.64 5.40 14.26  
SINCE SEP 1 32.44 16.00 16.44 25.56  
SINCE JAN 1 71.12 49.62 21.50 63.42  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 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  
TODAY 16 15 1 13  
MONTH TO DATE 355 333 22 358  
SINCE SEP 1 1477 1435 42 1513  
SINCE JAN 1 5509 5292 217 5518    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 65  
AVERAGE 83  
   
......................................................
 
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 92 1995  
MINIMUM TEMPERATURE (F) 75 68 1956  
 
 
SUNRISE AND SUNSET  
NOVEMBER 21 2017......SUNRISE 634 AM AST SUNSET 546 PM AST  
NOVEMBER 22 2017......SUNRISE 635 AM AST SUNSET 546 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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