05/17/2008 03:30:00     0.21    6.16    6.16     2.0    23.8
05/17/2008 04:00:00     1.34    5.73    5.88    13.2    23.7
05/17/2008 04:30:00    -1.42    8.10    8.22   350.1    23.7
05/17/2008 05:00:00    -0.54    1.63    1.72   341.7    23.7
05/17/2008 05:30:00     3.06    1.43    3.38    65.0    23.7
05/17/2008 06:00:00     1.66    0.00    1.66    90.0    23.7
05/17/2008 06:30:00     1.71    0.52    1.79    73.1    23.7
05/17/2008 07:00:00    -0.76   -6.17    6.22   187.0    23.7
05/17/2008 07:30:00     1.86   -6.33    6.60   163.6    23.7
05/17/2008 08:00:00    -1.31   -8.40    8.50   188.9    23.7
05/17/2008 08:30:00    -1.55   -9.16    9.29   189.6    23.6
05/17/2008 09:00:00    -1.20   -8.77    8.85   187.8    23.6