390  
CDCA42 TJSJ 080438  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1238 AM AST WED SEP 08 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 7 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 92 12:16 PM 95 1995 89 3 87  
MINIMUM 81 11:52 PM 70 1910 78 3 78  
AVERAGE 87 83 4 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.13 1991 0.23 -0.22 0.88  
MONTH TO DATE 0.27 1.66 -1.39 1.75  
SINCE SEP 1 0.27 1.66 -1.39 1.75  
SINCE JAN 1 32.20 37.60 -5.40 47.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 22 18 4 18  
MONTH TO DATE 148 126 22 133  
SINCE SEP 1 148 126 22 133  
SINCE JAN 1 4097 3937 160 4337    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 57  
AVERAGE 67  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1995  
MINIMUM TEMPERATURE (F) 78 71 1956  
 
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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