datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,06 0:30:00,27 ,       0,0.749867,0.154555,0.193208
sgpcmbeC1.c1,1998,06 1:30:00,27 ,       0,1.136175,0.195642,0.284785
sgpcmbeC1.c1,1998,06 2:30:00,27 ,       0,0.630315,0.154382,0.192035
sgpcmbeC1.c1,1998,06 3:30:00,27 ,       0,0.450779,0.111291, 0.13078
sgpcmbeC1.c1,1998,06 4:30:00,28 ,       0,0.647834,0.149269,0.174023
sgpcmbeC1.c1,1998,06 5:30:00,28 ,0.110415,18.13643,5.884482,5.058932
sgpcmbeC1.c1,1998,06 6:30:00,28 ,0.056351,149.0747,69.04789,48.69768
sgpcmbeC1.c1,1998,06 7:30:00,28 ,  0.0112,333.6911,169.1555,114.8748
sgpcmbeC1.c1,1998,06 8:30:00,28 ,0.064842,520.8983,291.8765,187.2758
sgpcmbeC1.c1,1998,06 9:30:00,28 ,0.251724,679.6265,409.6873,256.5208
sgpcmbeC1.c1,1998,0610:30:00,28 ,0.372406,800.1577,521.8332,287.2494
sgpcmbeC1.c1,1998,0611:30:00,28 ,0.290543,868.3798,601.2165,298.7749
sgpcmbeC1.c1,1998,0612:30:00,28 ,0.472496,882.4057,655.2188,268.0191
sgpcmbeC1.c1,1998,0613:30:00,27 ,3.478485,866.8331,647.4858,231.0816
sgpcmbeC1.c1,1998,0614:30:00,27 ,2.838287,784.2189,541.2062, 231.571
sgpcmbeC1.c1,1998,0615:30:00,27 ,0.011948,650.2203,436.2605,216.4988
sgpcmbeC1.c1,1998,0616:30:00,27 ,0.498474,508.8335,288.1378,176.3513
sgpcmbeC1.c1,1998,0617:30:00,27 ,0.180614,327.3849,182.1127,114.4404
sgpcmbeC1.c1,1998,0618:30:00,26 ,       0,145.0805,74.77761,42.00287
sgpcmbeC1.c1,1998,0619:30:00,26 , 0.22393,18.44046,7.937794,5.679908
sgpcmbeC1.c1,1998,0620:30:00,26 ,       0,1.863268,0.405842,  0.4643
sgpcmbeC1.c1,1998,0621:30:00,26 ,       0,1.739104,0.310049,0.430581
sgpcmbeC1.c1,1998,0622:30:00,26 ,       0,0.673249,0.221686,0.230723
sgpcmbeC1.c1,1998,0623:30:00,27 ,       0, 0.59987,0.181708,0.178826