datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,09 0:30:00,29 ,1.642743,4.866677,3.532194,0.720581
sgpcmbeC1.c1,1998,09 1:30:00,28 ,1.711545,5.122002,3.520003,0.746598
sgpcmbeC1.c1,1998,09 2:30:00,29 ,1.729361,5.227162, 3.54996,0.766768
sgpcmbeC1.c1,1998,09 3:30:00,28 ,1.793281,5.767825,3.640781, 0.80101
sgpcmbeC1.c1,1998,09 4:30:00,27 ,1.813942,4.383611,3.596008,0.657258
sgpcmbeC1.c1,1998,09 5:30:00,28 ,1.823251,4.480623,3.578523,0.648687
sgpcmbeC1.c1,1998,09 6:30:00,28 ,1.697786, 4.92283,3.604671,0.706373
sgpcmbeC1.c1,1998,09 7:30:00,28 ,1.561614,5.812351, 3.68129,0.869146
sgpcmbeC1.c1,1998,09 8:30:00,28 ,1.583911,5.707282,3.642026, 0.81933
sgpcmbeC1.c1,1998,09 9:30:00,28 , 1.46239,5.827476,3.584716,0.827026
sgpcmbeC1.c1,1998,0910:30:00,28 ,1.326672,5.912397,3.578523,0.815749
sgpcmbeC1.c1,1998,0911:30:00,29 ,1.214188,5.958034,3.647933,0.878236
sgpcmbeC1.c1,1998,0912:30:00,28 ,1.129197,6.038943,3.617535, 0.87882
sgpcmbeC1.c1,1998,0913:30:00,28 ,1.124727,5.913742,3.600571,0.871777
sgpcmbeC1.c1,1998,0914:30:00,25 ,1.086774,5.808875,3.685432,0.868873
sgpcmbeC1.c1,1998,0915:30:00,25 ,  1.0809,5.409513,3.659172,0.809812
sgpcmbeC1.c1,1998,0916:30:00,25 ,1.100852,5.043912,3.623772,0.791556
sgpcmbeC1.c1,1998,0917:30:00,25 ,1.138236,4.943044,3.627735,0.805994
sgpcmbeC1.c1,1998,0918:30:00,28 ,1.129356,4.805249,3.549983,0.736488
sgpcmbeC1.c1,1998,0919:30:00,29 ,1.047723,4.688517,3.554625,0.716376
sgpcmbeC1.c1,1998,0920:30:00,29 ,0.979945,4.563195,3.513184, 0.70886
sgpcmbeC1.c1,1998,0921:30:00,29 , 0.93939,4.548767,3.475847,0.714925
sgpcmbeC1.c1,1998,0922:30:00,29 ,1.115039,4.520428,3.506952,0.713874
sgpcmbeC1.c1,1998,0923:30:00,29 ,1.433097,4.657081,3.545519,0.706674