312  
CDCA42 TJSJ 170431  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1231 AM AST THU JAN 17 2019  
 
   
...............................
 
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR JANUARY 16 2019...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1951 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 128 PM 88 1973 84 1 84  
MINIMUM 71 654 AM 63 2013 72 -1 70  
AVERAGE 78 78 0 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1999 0.06 -0.06 MM  
MONTH TO DATE 0.40 1.17 -0.77 0.41  
SINCE DEC 1 2.40 4.14 -1.74 4.87  
SINCE JAN 1 0.40 1.17 -0.77 0.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE DEC 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 DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 13 13 0 12  
MONTH TO DATE 218 208 10 194  
SINCE DEC 1 696 644 52 631  
SINCE JAN 1 218 208 10 194    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 65  
AVERAGE 79  
   
......................................................
 
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 89 1973  
MINIMUM TEMPERATURE (F) 72 63 1980  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2019.......SUNRISE 653 AM AST SUNSET 605 PM AST  
JANUARY 18 2019.......SUNRISE 653 AM AST SUNSET 606 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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