055  
CDCA42 TJSJ 300150  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
950 PM AST WED SEP 29 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 29 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 11:41 AM 96 2013 89 1 91  
MINIMUM 80 6:11 AM 70 1905 77 3 77  
AVERAGE 85 83 2 84  
 
PRECIPITATION (IN)  
TODAY T 3.72 1979 0.19 -0.19 0.29  
MONTH TO DATE 4.41 6.31 -1.90 5.02  
SINCE SEP 1 4.41 6.31 -1.90 5.02  
SINCE JAN 1 36.34 42.25 -5.91 51.05  
 
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 585 522 63 562  
SINCE SEP 1 585 522 63 562  
SINCE JAN 1 4534 4333 201 4766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 63  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2014  
MINIMUM TEMPERATURE (F) 77 71 1938  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2021.....SUNRISE 6:14 AM AST SUNSET 6:14 PM AST  
SEPTEMBER 30 2021.....SUNRISE 6:14 AM AST SUNSET 6:13 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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