727  
CDCA42 TJSJ 162134  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
534 PM AST THU SEP 16 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 16 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 92 1:59 PM 93 1900 89 3 91  
MINIMUM 78 6:27 AM 69 1929 78 0 80  
AVERAGE 85 83 2 86  
 
PRECIPITATION (IN)  
TODAY 0.00 3.38 1996 0.22 -0.22 0.01  
MONTH TO DATE 2.18 3.69 -1.51 2.89  
SINCE SEP 1 2.18 3.69 -1.51 2.89  
SINCE JAN 1 34.11 39.63 -5.52 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 21  
MONTH TO DATE 328 288 40 307  
SINCE SEP 1 328 288 40 307  
SINCE JAN 1 4277 4099 178 4511    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 58  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1995  
MINIMUM TEMPERATURE (F) 78 72 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2021.....SUNRISE 6:12 AM AST SUNSET 6:25 PM AST  
SEPTEMBER 17 2021.....SUNRISE 6:12 AM AST SUNSET 6:24 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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