787  
CDCA42 TJSJ 052128  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
528 PM AST SUN SEP 05 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 5 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 91 2:58 PM 96 1981 89 2 90  
MINIMUM 80 4:28 AM 71 1956 78 2 80  
AVERAGE 86 83 3 85  
 
PRECIPITATION (IN)  
TODAY T 3.64 1976 0.24 -0.24 0.01  
MONTH TO DATE 0.25 1.19 -0.94 0.84  
SINCE SEP 1 0.25 1.19 -0.94 0.84  
SINCE JAN 1 32.18 37.13 -4.95 46.87  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 21 18 3 20  
MONTH TO DATE 104 90 14 96  
SINCE SEP 1 104 90 14 96  
SINCE JAN 1 4053 3901 152 4300    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 60  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2002  
MINIMUM TEMPERATURE (F) 78 69 1960  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2021.....SUNRISE 6:10 AM AST SUNSET 6:35 PM AST  
SEPTEMBER 6 2021.....SUNRISE 6:10 AM AST SUNSET 6:34 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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