901  
CDCA42 TJSJ 170431  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1226 AM AST TUE SEP 17 2019  
 
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 16 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 123 PM 93 1900 89 3 88  
MINIMUM 80 237 PM 69 1929 78 2 79  
AVERAGE 86 84 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 3.38 1996 0.19 -0.14 T  
MONTH TO DATE 7.05 3.26 3.79 1.23  
SINCE SEP 1 7.05 3.26 3.79 1.23  
SINCE JAN 1 31.48 36.88 -5.40 35.96  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
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 21 18 3 19  
MONTH TO DATE 317 303 14 292  
SINCE SEP 1 317 303 14 292  
SINCE JAN 1 4335 4167 168 4115    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 70  
AVERAGE 82  
   
......................................................
 
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1995  
MINIMUM TEMPERATURE (F) 78 72 1954  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2019.....SUNRISE 612 AM AST SUNSET 625 PM AST  
SEPTEMBER 18 2019.....SUNRISE 612 AM AST SUNSET 624 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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