839  
CDCA42 TJSJ 310454  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1254 AM AST MON JUL 31 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 30 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 90 1:18 PM 94 1990 89 1 88  
MINIMUM 80 6:28 AM 71 1919 78 2 77  
AVERAGE 85 83 2 83  
 
PRECIPITATION (IN)  
YESTERDAY T 4.46 2020 0.20 -0.20 0.74  
MONTH TO DATE 3.98 5.83 -1.85 8.11  
SINCE JUN 1 6.28 10.49 -4.21 9.75  
SINCE JAN 1 26.28 29.46 -3.18 31.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 18 2 18  
MONTH TO DATE 596 540 56 533  
SINCE JUN 1 1221 1083 138 1089  
SINCE JAN 1 3433 3216 217 3186    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 68  
AVERAGE 77  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1980  
MINIMUM TEMPERATURE (F) 78 71 1927  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 6:01 AM AST SUNSET 6:59 PM AST  
AUGUST 1 2023........SUNRISE 6:02 AM AST SUNSET 6:59 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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