458  
CDCA42 TJSJ 312131  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
531 PM AST MON JUL 31 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 31 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 90 1:04 PM 94 1980 89 1 90  
MINIMUM 78 4:17 AM 71 1927 78 0 81  
AVERAGE 84 83 1 86  
 
PRECIPITATION (IN)  
TODAY 0.03 1.87 1937 0.19 -0.16 0.02  
MONTH TO DATE 4.01 6.02 -2.01 8.13  
SINCE JUN 1 6.31 10.68 -4.37 9.77  
SINCE JAN 1 26.31 29.65 -3.34 31.66  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 19 18 1 21  
MONTH TO DATE 615 563 52 554  
SINCE JUN 1 1240 1106 134 1110  
SINCE JAN 1 3452 3239 213 3207    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 68  
AVERAGE 79  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1980  
MINIMUM TEMPERATURE (F) 78 70 1904  
 
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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