493  
CDCA42 TJSJ 202156  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
556 PM AST WED OCT 20 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 20 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 90 11:50 AM 95 1980 89 1 89  
MINIMUM 79 4:26 PM 67 1959 77 2 78  
AVERAGE 85 82 3 84  
 
PRECIPITATION (IN)  
TODAY MM 2.38 1942 0.17 MM 0.00  
MONTH TO DATE 3.55 3.08 0.47 3.69  
SINCE SEP 1 8.03 9.58 -1.55 8.72  
SINCE JAN 1 39.97 45.52 -5.55 54.75  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 20 18 2 19  
MONTH TO DATE 390 360 30 363  
SINCE SEP 1 994 910 84 946  
SINCE JAN 1 4943 4721 222 5150    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 65  
AVERAGE 78  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 2016  
MINIMUM TEMPERATURE (F) 77 68 1959  
 
SUNRISE AND SUNSET  
OCTOBER 20 2021.......SUNRISE 6:19 AM AST SUNSET 5:58 PM AST  
OCTOBER 21 2021.......SUNRISE 6:20 AM AST SUNSET 5:57 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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