476  
CDCA42 TJSJ 132123  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
523 PM AST MON SEP 13 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 13 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 89 12:40 PM 94 1906 89 0 90  
2017  
2019  
MINIMUM 79 6:47 AM 70 1928 78 1 78  
AVERAGE 84 83 1 84  
 
PRECIPITATION (IN)  
TODAY 0.16 7.39 1928 0.22 -0.06 0.12  
MONTH TO DATE 2.12 3.03 -0.91 2.86  
SINCE SEP 1 2.12 3.03 -0.91 2.86  
SINCE JAN 1 34.05 38.97 -4.92 48.89  
 
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 19 18 1 19  
MONTH TO DATE 270 234 36 244  
SINCE SEP 1 270 234 36 244  
SINCE JAN 1 4219 4045 174 4448    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 72  
AVERAGE 80  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1982  
MINIMUM TEMPERATURE (F) 78 71 1959  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2021.....SUNRISE 6:11 AM AST SUNSET 6:28 PM AST  
SEPTEMBER 14 2021.....SUNRISE 6:12 AM AST SUNSET 6:27 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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