477  
CDCA42 TJSJ 210444  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1244 AM AST FRI JUL 21 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 20 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 89 2:49 PM 92 1995 89 0 88  
MINIMUM 80 5:32 AM 71 1939 78 2 80  
AVERAGE 85 83 2 84  
 
PRECIPITATION (IN)  
YESTERDAY T 2.41 1915 0.21 -0.21 0.07  
MONTH TO DATE 3.08 3.77 -0.69 5.79  
SINCE JUN 1 5.38 8.43 -3.05 7.43  
SINCE JAN 1 25.38 27.40 -2.02 29.32  
 
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 19  
MONTH TO DATE 397 360 37 353  
SINCE JUN 1 1022 903 119 909  
SINCE JAN 1 3234 3036 198 3006    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 65  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1981  
MINIMUM TEMPERATURE (F) 78 71 1957  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST  
JULY 22 2023..........SUNRISE 5:58 AM AST SUNSET 7:02 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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