567  
CDCA42 TJSJ 190425  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST MON JUL 19 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 18 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 1:27 PM 91 2005 89 0 88  
MINIMUM 78 5:32 AM 70 1960 78 0 79  
AVERAGE 84 83 1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.77 9.23 2013 0.21 0.56 0.08  
MONTH TO DATE 2.48 3.34 -0.86 3.27  
SINCE JUN 1 12.97 8.00 4.97 7.17  
SINCE JAN 1 26.43 26.97 -0.54 35.39  
 
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 19 18 1 19  
MONTH TO DATE 338 324 14 359  
SINCE JUN 1 856 867 -11 953  
SINCE JAN 1 3105 3000 105 3343    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 72  
AVERAGE 85  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2006  
MINIMUM TEMPERATURE (F) 78 70 1960  
 
SUNRISE AND SUNSET  
JULY 19 2021..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST  
JULY 20 2021..........SUNRISE 5:58 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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