044  
CDCA42 TJSJ 080436  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1236 AM AST FRI SEP 08 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 7 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 11:45 AM 95 1995 89 2 91  
MINIMUM 80 1:58 PM 70 1910 78 2 78  
AVERAGE 86 83 3 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.96 2.13 1991 0.23 0.73 0.02  
MONTH TO DATE 0.97 1.66 -0.69 2.03  
SINCE SEP 1 0.97 1.66 -0.69 2.03  
SINCE JAN 1 31.65 37.60 -5.95 43.42  
 
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 21 18 3 20  
MONTH TO DATE 152 126 26 135  
SINCE SEP 1 152 126 26 135  
SINCE JAN 1 4239 3937 302 3941    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 67  
AVERAGE 76  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1995  
MINIMUM TEMPERATURE (F) 78 71 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2023.....SUNRISE 6:11 AM AST SUNSET 6:33 PM AST  
SEPTEMBER 9 2023.....SUNRISE 6:11 AM AST SUNSET 6:32 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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