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299 
CDCA42 TJSJ 170445
CLIISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR                                
1245 AM AST WED JAN 17 2018


................................... 

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR JANUARY 16 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1951 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         84    339 PM  88    1973  84      0       84       
  MINIMUM         70    910 PM  63    2013  72     -2       70       
  AVERAGE         77                        78     -1       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.16 1999   0.06  -0.06     0.24    
  MONTH TO DATE    0.39                      1.17  -0.78     0.68    
  SINCE DEC 1      4.85                      4.14   0.71     4.97    
  SINCE JAN 1      0.39                      1.17  -0.78     0.68    
                                                                     
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       12                        13     -1       12       
  MONTH TO DATE  194                       208    -14      222       
  SINCE DEC 1    631                       644    -13      688       
  SINCE JAN 1    194                       208    -14      222       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100                                                       
 LOWEST     70                                                       
 AVERAGE    85                                                       

..........................................................

                                                                     
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 2018.......SUNRISE   653 AM AST   SUNSET   606 PM AST   
JANUARY 18 2018.......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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