212  
CDCA42 TJSJ 230431  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1231 AM AST SAT SEP 23 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 22 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 1:34 PM 96 2021 89 2 94  
MINIMUM 79 6:51 AM 71 1947 77 2 80  
AVERAGE 85 83 2 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 3.39 2017 0.19 -0.12 0.22  
MONTH TO DATE 1.98 4.94 -2.96 12.80  
SINCE SEP 1 1.98 4.94 -2.96 12.80  
SINCE JAN 1 32.66 40.88 -8.22 54.19  
 
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 20 18 2 22  
MONTH TO DATE 467 396 71 416  
SINCE SEP 1 467 396 71 416  
SINCE JAN 1 4554 4207 347 4222    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 54  
AVERAGE 71  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 2020  
MINIMUM TEMPERATURE (F) 77 71 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 6:13 AM AST SUNSET 6:19 PM AST  
SEPTEMBER 24 2023.....SUNRISE 6:13 AM AST SUNSET 6:19 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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