242  
CDCA42 TJSJ 150421  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1221 AM AST FRI OCT 15 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 14 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 92 11:57 AM 97 1981 89 3 88  
MINIMUM 79 8:02 PM 71 1958 77 2 77  
AVERAGE 86 83 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 3.70 1943 0.15 -0.05 T  
MONTH TO DATE 3.20 2.13 1.07 3.36  
SINCE SEP 1 7.68 8.63 -0.95 8.39  
SINCE JAN 1 39.62 44.57 -4.95 54.42  
 
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 18  
MONTH TO DATE 272 252 20 255  
SINCE SEP 1 876 802 74 838  
SINCE JAN 1 4825 4613 212 5042    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 60  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1994  
MINIMUM TEMPERATURE (F) 77 71 1966  
 
SUNRISE AND SUNSET  
OCTOBER 15 2021.......SUNRISE 6:18 AM AST SUNSET 6:01 PM AST  
OCTOBER 16 2021.......SUNRISE 6:18 AM AST SUNSET 6:01 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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