384  
CDCA42 TJSJ 112202  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
602 PM AST SAT SEP 11 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 11 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 1:44 PM 94 1994 89 2 88  
MINIMUM 78 3:19 PM 71 1909 78 0 78  
AVERAGE 85 83 2 83  
 
PRECIPITATION (IN)  
TODAY 0.40 2.32 1918 0.23 0.17 0.08  
MONTH TO DATE 0.85 2.58 -1.73 2.65  
SINCE SEP 1 0.85 2.58 -1.73 2.65  
SINCE JAN 1 32.78 38.52 -5.74 48.68  
 
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 20 18 2 18  
MONTH TO DATE 233 198 35 207  
SINCE SEP 1 233 198 35 207  
SINCE JAN 1 4182 4009 173 4411    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 59  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2011  
2017  
MINIMUM TEMPERATURE (F) 78 72 1961  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2021.....SUNRISE 6:11 AM AST SUNSET 6:30 PM AST  
SEPTEMBER 12 2021.....SUNRISE 6:11 AM AST SUNSET 6:29 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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