936  
CDCA42 TJSJ 120426  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1226 AM AST SAT MAY 12 2012  
 
   
...............................  
 
   
..THE SAN JUAN/P.R. CLIMATE SUMMARY FOR MAY 11 2012  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 1236 PM 96 1980 87 0 85  
MINIMUM 77 330 AM 69 1986 76 1 77  
AVERAGE 82 82 0 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.63 3.28 2000 0.20 0.43 T  
MONTH TO DATE 3.53 2.11 1.42 1.99  
SINCE MAR 1 18.10 8.74 9.36 6.06  
SINCE JAN 1 23.80 14.89 8.91 10.96  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 17 0 16  
MONTH TO DATE 171 178 -7 158  
SINCE MAR 1 1071 1068 3 997  
SINCE JAN 1 1835 1819 16 1745    
..............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 PM  
LOWEST 72 1100 AM  
AVERAGE 86  
   
......................................................  
 
 
THE SAN JUAN/P.R. CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1998  
MINIMUM TEMPERATURE (F) 76 70 2000  
 
 
SUNRISE AND SUNSET  
MAY 12 2012...........SUNRISE 551 AM AST SUNSET 650 PM AST  
MAY 13 2012...........SUNRISE 551 AM AST SUNSET 650 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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