343  
CDCA42 TJSJ 082144  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
544 PM AST WED SEP 08 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 8 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 2:24 PM 95 1995 89 2 87  
MINIMUM 80 4:32 AM 71 1956 78 2 78  
AVERAGE 86 83 3 83  
 
PRECIPITATION (IN)  
TODAY T 1.61 1989 0.23 -0.23 0.82  
MONTH TO DATE 0.27 1.89 -1.62 2.57  
SINCE SEP 1 0.27 1.89 -1.62 2.57  
SINCE JAN 1 32.20 37.83 -5.63 48.60  
 
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 18  
MONTH TO DATE 169 144 25 151  
SINCE SEP 1 169 144 25 151  
SINCE JAN 1 4118 3955 163 4355    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 59  
AVERAGE 72  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2013  
MINIMUM TEMPERATURE (F) 78 70 1988  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2021.....SUNRISE 6:11 AM AST SUNSET 6:32 PM AST  
SEPTEMBER 9 2021.....SUNRISE 6:11 AM AST SUNSET 6:31 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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