894  
CDCA42 TJSJ 172125  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
525 PM AST FRI SEP 17 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 17 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 1:56 PM 95 1995 89 1 90  
MINIMUM 79 7:11 AM 72 1954 78 1 83  
AVERAGE 85 83 2 87  
 
PRECIPITATION (IN)  
TODAY 0.08 1.68 1911 0.21 -0.13 T  
MONTH TO DATE 2.33 3.90 -1.57 2.89  
SINCE SEP 1 2.33 3.90 -1.57 2.89  
SINCE JAN 1 34.26 39.84 -5.58 48.92  
 
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 20 18 2 22  
MONTH TO DATE 348 306 42 329  
SINCE SEP 1 348 306 42 329  
SINCE JAN 1 4297 4117 180 4533    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 61  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1995  
MINIMUM TEMPERATURE (F) 78 71 1960  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2021.....SUNRISE 6:12 AM AST SUNSET 6:24 PM AST  
SEPTEMBER 18 2021.....SUNRISE 6:12 AM AST SUNSET 6:23 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PR Page Main Text Page