260  
CDCA42 TJSJ 160432  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1232 AM AST FRI JUL 16 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 15 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 2:11 PM 93 1981 89 -1 89  
MINIMUM 76 6:14 AM 70 1909 78 -2 79  
AVERAGE 82 83 -1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.43 1909 0.20 -0.11 0.05  
MONTH TO DATE 1.66 2.72 -1.06 2.70  
SINCE JUN 1 12.15 7.38 4.77 6.60  
SINCE JAN 1 25.61 26.35 -0.74 34.82  
 
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 17 18 -1 19  
MONTH TO DATE 283 270 13 302  
SINCE JUN 1 801 813 -12 896  
SINCE JAN 1 3050 2946 104 3286    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 61  
AVERAGE 76  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2014  
MINIMUM TEMPERATURE (F) 78 70 1952  
 
SUNRISE AND SUNSET  
JULY 16 2021..........SUNRISE 5:56 AM AST SUNSET 7:04 PM AST  
JULY 17 2021..........SUNRISE 5:57 AM AST SUNSET 7:03 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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