878  
CDCA42 TJSJ 140436  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1236 AM AST THU OCT 14 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 13 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 94 1:22 PM 97 1987 89 5 90  
MINIMUM 75 3:07 PM 70 1957 77 -2 77  
AVERAGE 85 83 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 1.96 1960 0.14 0.25 0.65  
MONTH TO DATE 3.49 1.98 1.51 3.36  
SINCE SEP 1 7.97 8.48 -0.51 8.39  
SINCE JAN 1 39.91 44.42 -4.51 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 20 18 2 19  
MONTH TO DATE 251 234 17 237  
SINCE SEP 1 855 784 71 820  
SINCE JAN 1 4804 4595 209 5024    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 58  
AVERAGE 74  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 97 1981  
MINIMUM TEMPERATURE (F) 77 71 1958  
 
SUNRISE AND SUNSET  
OCTOBER 14 2021.......SUNRISE 6:18 AM AST SUNSET 6:02 PM AST  
OCTOBER 15 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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