132  
CDCA42 TJSJ 220443  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST THU JUL 22 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 21 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 89 2:12 PM 93 1981 89 0 90  
MINIMUM 80 11:51 PM 71 1957 78 2 79  
AVERAGE 85 83 2 85  
 
PRECIPITATION (IN)  
YESTERDAY T 2.31 2009 0.21 -0.21 0.18  
MONTH TO DATE 2.48 3.98 -1.50 3.47  
SINCE JUN 1 12.97 8.64 4.33 7.37  
SINCE JAN 1 26.43 27.61 -1.18 35.59  
 
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 20  
MONTH TO DATE 398 378 20 417  
SINCE JUN 1 916 921 -5 1011  
SINCE JAN 1 3165 3054 111 3401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 63  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2015  
MINIMUM TEMPERATURE (F) 78 70 1936  
 
SUNRISE AND SUNSET  
JULY 22 2021..........SUNRISE 5:59 AM AST SUNSET 7:02 PM AST  
JULY 23 2021..........SUNRISE 5:59 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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