430  
CDCA42 TJSJ 230434  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1234 AM AST SAT OCT 23 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 22 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 2:15 PM 93 2015 88 3 93  
2020  
MINIMUM 77 5:28 AM 69 1959 77 0 79  
AVERAGE 84 82 2 86  
 
PRECIPITATION (IN)  
YESTERDAY T 1.97 1998 0.18 -0.18 0.00  
MONTH TO DATE 3.58 3.44 0.14 3.69  
SINCE SEP 1 8.06 9.94 -1.88 8.72  
SINCE JAN 1 40.00 45.88 -5.88 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 17 2 21  
MONTH TO DATE 427 395 32 402  
SINCE SEP 1 1031 945 86 985  
SINCE JAN 1 4980 4756 224 5189    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 52  
AVERAGE 69  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 95 1979  
MINIMUM TEMPERATURE (F) 76 70 1961  
 
SUNRISE AND SUNSET  
OCTOBER 23 2021.......SUNRISE 6:20 AM AST SUNSET 5:56 PM AST  
OCTOBER 24 2021.......SUNRISE 6:21 AM AST SUNSET 5:55 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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