170  
CDCA42 TJSJ 202126  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
526 PM AST TUE JUL 20 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 20 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89 12:57 PM 92 1995 89 0 90  
MINIMUM 80 6:51 AM 71 1939 78 2 78  
AVERAGE 85 83 2 84  
 
PRECIPITATION (IN)  
TODAY 0.00 2.41 1915 0.21 -0.21 0.02  
MONTH TO DATE 2.48 3.77 -1.29 3.29  
SINCE JUN 1 12.97 8.43 4.54 7.19  
SINCE JAN 1 26.43 27.40 -0.97 35.41  
 
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 20 18 2 19  
MONTH TO DATE 378 360 18 397  
SINCE JUN 1 896 903 -7 991  
SINCE JAN 1 3145 3036 109 3381    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 14.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 65  
AVERAGE 76  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1981  
MINIMUM TEMPERATURE (F) 78 71 1957  
 
SUNRISE AND SUNSET  
JULY 20 2021..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST  
JULY 21 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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