740  
CDCA42 TJSJ 030435  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1235 AM AST FRI SEP 03 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 2 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 90 3:46 PM 94 2010 89 1 89  
2019  
MINIMUM 78 6:54 AM 72 1962 78 0 80  
AVERAGE 84 84 0 85  
 
PRECIPITATION (IN)  
YESTERDAY T 3.45 1931 0.23 -0.23 0.09  
MONTH TO DATE 0.25 0.47 -0.22 0.18  
SINCE SEP 1 0.25 0.47 -0.22 0.18  
SINCE JAN 1 32.18 36.41 -4.23 46.21  
 
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 20  
MONTH TO DATE 39 36 3 40  
SINCE SEP 1 39 36 3 40  
SINCE JAN 1 3988 3847 141 4244    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 63  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1995  
MINIMUM TEMPERATURE (F) 78 71 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2021.....SUNRISE 6:10 AM AST SUNSET 6:36 PM AST  
SEPTEMBER 4 2021.....SUNRISE 6:10 AM AST SUNSET 6:35 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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