465  
CDCA42 TJSJ 220441  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1241 AM AST FRI OCT 22 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 21 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 91 12:08 PM 94 2016 88 3 89  
MINIMUM 77 5:27 AM 68 1959 77 0 77  
AVERAGE 84 82 2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 2.08 1957 0.18 0.03 T  
MONTH TO DATE 3.79 3.26 0.53 3.69  
SINCE SEP 1 8.27 9.76 -1.49 8.72  
SINCE JAN 1 40.21 45.70 -5.49 54.75  
 
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 18  
MONTH TO DATE 408 378 30 381  
SINCE SEP 1 1012 928 84 964  
SINCE JAN 1 4961 4739 222 5168    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 56  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2015  
2020  
MINIMUM TEMPERATURE (F) 77 69 1959  
 
SUNRISE AND SUNSET  
OCTOBER 22 2021.......SUNRISE 6:20 AM AST SUNSET 5:57 PM AST  
OCTOBER 23 2021.......SUNRISE 6:20 AM AST SUNSET 5:56 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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