6    1   2013    18   135.9     2.5
 7    1   2013     0   136.4     3.1
 7    1   2013     6   135.5     3.1
 7    1   2013    12   135.3     4.1
 7    1   2013    18   134.2     4.7
 8    1   2013     0   133.1     5.1
 8    1   2013     6   131.7     4.9
 8    1   2013    12   130.8     4.9