712  
CDCA42 TJSJ 020434  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST SAT OCT 02 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 1 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 90 3:25 PM 96 1982 89 1 89  
MINIMUM 78 6:43 AM 68 1899 77 1 75  
AVERAGE 84 83 1 82  
 
PRECIPITATION (IN)  
YESTERDAY T 2.64 1899 0.17 -0.17 0.92  
MONTH TO DATE T 0.17 -0.17 0.92  
SINCE SEP 1 4.48 6.67 -2.19 5.95  
SINCE JAN 1 36.41 42.61 -6.20 51.98  
 
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 19 18 1 17  
MONTH TO DATE 19 18 1 17  
SINCE SEP 1 623 568 55 600  
SINCE JAN 1 4572 4379 193 4804    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 55  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1992  
MINIMUM TEMPERATURE (F) 77 70 1899  
 
SUNRISE AND SUNSET  
OCTOBER 2 2021.......SUNRISE 6:15 AM AST SUNSET 6:11 PM AST  
OCTOBER 3 2021.......SUNRISE 6:15 AM AST SUNSET 6:11 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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