575  
CDCA42 TJSJ 050448  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1248 AM AST TUE OCT 05 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 4 2021
 
 
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)  
YESTERDAY  
MAXIMUM 93 12:28 PM 95 2015 89 4 86  
MINIMUM 79 5:30 AM 71 1945 77 2 77  
AVERAGE 86 83 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 1.31 1937 0.17 -0.04 0.04  
MONTH TO DATE 0.41 0.68 -0.27 1.15  
SINCE SEP 1 4.89 7.18 -2.29 6.18  
SINCE JAN 1 36.83 43.12 -6.29 52.21  
 
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 21 18 3 17  
MONTH TO DATE 80 72 8 69  
SINCE SEP 1 684 622 62 652  
SINCE JAN 1 4633 4433 200 4856    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 49  
AVERAGE 66  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 2015  
MINIMUM TEMPERATURE (F) 77 71 1985  
 
SUNRISE AND SUNSET  
OCTOBER 5 2021.......SUNRISE 6:15 AM AST SUNSET 6:09 PM AST  
OCTOBER 6 2021.......SUNRISE 6:16 AM AST SUNSET 6:08 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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