013  
CDCA42 TJSJ 240445  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
1245 AM AST SUN SEP 24 2017  
 
   
...............................
 
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 23 2017...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1951 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 94 1972 89 MM 88  
MINIMUM MM MM 69 1977 77 MM 73  
AVERAGE MM 83 MM 81  
 
PRECIPITATION (IN)  
YESTERDAY MM 2.46 1952 0.16 MM 0.00  
MONTH TO DATE 11.04 3.67 7.37 3.47  
SINCE SEP 1 11.04 3.67 7.37 3.47  
SINCE JAN 1 37.61 23.80 13.81 21.53  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 MM 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 MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY MM 18 MM 16  
MONTH TO DATE 307 420 -113 415  
SINCE SEP 1 307 420 -113 415  
SINCE JAN 1 4099 4273 -174 4545    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
AVERAGE SKY COVER MM  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1972  
MINIMUM TEMPERATURE (F) 77 66 1975  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2017.....SUNRISE 608 AM AST SUNSET 613 PM AST  
SEPTEMBER 25 2017.....SUNRISE 609 AM AST SUNSET 613 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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