009  
CDCA42 TJSJ 220443  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1241 AM AST MON OCT 22 2018  
 
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 21 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 1244 PM 94 2016 88 -1 90  
MINIMUM 76 358 AM 68 1959 77 -1 75  
AVERAGE 82 82 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 2.08 1957 0.20 -0.11 0.02  
MONTH TO DATE 4.27 3.56 0.71 6.37  
SINCE SEP 1 7.32 9.33 -2.01 22.16  
SINCE JAN 1 42.05 42.95 -0.90 60.84  
 
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 17 17 0 18  
MONTH TO DATE 359 377 -18 384  
SINCE SEP 1 911 932 -21 938  
SINCE JAN 1 4734 4789 -55 4970    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 65  
AVERAGE 80  
   
......................................................
 
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2015  
MINIMUM TEMPERATURE (F) 77 69 1959  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2018.......SUNRISE 620 AM AST SUNSET 557 PM AST  
OCTOBER 23 2018.......SUNRISE 620 AM AST SUNSET 556 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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