UT_date    UT           ZRMS  ZD          AM          K_Seeing
07/19/2007 05:36:24     0.017 0.016075	  1.00012922  0.26170662
07/19/2007 07:11:41     0.021 0.011471	  1.0000658  0.314449638
07/19/2007 09:20:38     0.022 0.179494	  1.01632822  0.325318396
07/19/2007 10:50:46     0.038 0.477522	  1.12595308  0.542699575
07/19/2007 12:14:21     0.053 0.830352	  1.48232484  0.673341572