datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2005,09 0:30:00,29 ,3.573605,6.825836,5.427933,0.742518 twpcmbeC2.c1,2005,09 1:30:00,30 ,3.605503,6.773703,5.393343, 0.68828 twpcmbeC2.c1,2005,09 2:30:00,29 ,3.651018,6.251354,5.294747,0.616564 twpcmbeC2.c1,2005,09 3:30:00,29 ,3.675717,6.287056,5.270067,0.613355 twpcmbeC2.c1,2005,09 4:30:00,29 ,3.658784,6.929339,5.279528,0.661402 twpcmbeC2.c1,2005,09 5:30:00,29 ,3.521818,6.867955,5.250929,0.664693 twpcmbeC2.c1,2005,09 6:30:00,29 ,3.372595,6.160275,5.230001,0.581143 twpcmbeC2.c1,2005,09 7:30:00,29 ,3.433796,6.283172,5.257629,0.608306 twpcmbeC2.c1,2005,09 8:30:00,29 ,3.446616,6.028964,5.239446, 0.58569 twpcmbeC2.c1,2005,09 9:30:00,28 ,4.276885,6.051437, 5.27184,0.514847 twpcmbeC2.c1,2005,0910:30:00,28 ,4.371963,6.076971,5.361668,0.499457 twpcmbeC2.c1,2005,0911:30:00,29 ,4.266251,6.492268,5.448024,0.561959 twpcmbeC2.c1,2005,0912:30:00,28 ,4.282185,6.460494,5.459849,0.570065 twpcmbeC2.c1,2005,0913:30:00,29 ,4.100935,6.393141,5.406016, 0.60688 twpcmbeC2.c1,2005,0914:30:00,30 ,4.155041,6.560043,5.457799,0.589008 twpcmbeC2.c1,2005,0915:30:00,30 ,4.341679,6.384525,5.451857, 0.55576 twpcmbeC2.c1,2005,0916:30:00,30 ,4.659696, 6.39255,5.467252, 0.54736 twpcmbeC2.c1,2005,0917:30:00,29 ,4.577725,6.463974,5.400323,0.538817 twpcmbeC2.c1,2005,0918:30:00,30 ,3.940501, 6.37404,5.385549,0.599089 twpcmbeC2.c1,2005,0919:30:00,29 ,4.167604,6.495272,5.405586,0.616131 twpcmbeC2.c1,2005,0920:30:00,29 ,3.952544,6.445502,5.383413,0.628105 twpcmbeC2.c1,2005,0921:30:00,29 ,3.681049,6.320749,5.405525,0.634461 twpcmbeC2.c1,2005,0922:30:00,29 ,3.427098,6.320746,5.388621,0.699746 twpcmbeC2.c1,2005,0923:30:00,29 ,3.421756,6.636968, 5.37099,0.716361