414  
CDCA42 TJSJ 200433  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1233 AM AST WED OCT 20 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 19 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 90 2:12 PM 94 1978 89 1 88  
MINIMUM 79 5:53 AM 70 1959 77 2 77  
AVERAGE 85 83 2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.15 1995 0.16 -0.13 T  
MONTH TO DATE 3.58 2.91 0.67 3.69  
SINCE SEP 1 8.06 9.41 -1.35 8.72  
SINCE JAN 1 40.00 45.35 -5.35 54.75  
 
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 20 18 2 18  
MONTH TO DATE 370 342 28 344  
SINCE SEP 1 974 892 82 927  
SINCE JAN 1 4923 4703 220 5131    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 59  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1980  
MINIMUM TEMPERATURE (F) 77 67 1959  
 
SUNRISE AND SUNSET  
OCTOBER 20 2021.......SUNRISE 6:19 AM AST SUNSET 5:58 PM AST  
OCTOBER 21 2021.......SUNRISE 6:20 AM AST SUNSET 5:57 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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