datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,09 0:30:00,30 ,       0,       1,0.351204,0.442943
sgpcmbeC1.c1,2004,09 1:30:00,30 ,       0,       1,0.382315,0.463313
sgpcmbeC1.c1,2004,09 2:30:00,30 ,       0,       1,0.367593,0.455706
sgpcmbeC1.c1,2004,09 3:30:00,30 ,       0,       1,0.326574,0.401081
sgpcmbeC1.c1,2004,09 4:30:00,30 ,       0,       1,0.371481,  0.4542
sgpcmbeC1.c1,2004,09 5:30:00,30 ,       0,       1, 0.30287,0.405848
sgpcmbeC1.c1,2004,09 6:30:00,30 ,       0,       1,0.273241,0.385993
sgpcmbeC1.c1,2004,09 7:30:00,30 ,       0,       1,0.267685, 0.38613
sgpcmbeC1.c1,2004,09 8:30:00,30 ,       0,       1,  0.2925,0.415008
sgpcmbeC1.c1,2004,09 9:30:00,30 ,       0,       1,0.273889,0.405391
sgpcmbeC1.c1,2004,0910:30:00,30 ,       0,       1,0.258889,0.385868
sgpcmbeC1.c1,2004,0911:30:00,30 ,       0,       1, 0.31963,0.421874
sgpcmbeC1.c1,2004,0912:30:00,30 ,       0,       1,0.368333,0.424157
sgpcmbeC1.c1,2004,0913:30:00,30 ,       0,       1,0.399537,0.402267
sgpcmbeC1.c1,2004,0914:30:00,30 ,       0,       1, 0.41463,0.416528
sgpcmbeC1.c1,2004,0915:30:00,30 ,       0,       1, 0.42787,0.408168
sgpcmbeC1.c1,2004,0916:30:00,30 ,       0,       1,0.346019,0.383035
sgpcmbeC1.c1,2004,0917:30:00,30 ,       0,       1,0.270926,0.401998
sgpcmbeC1.c1,2004,0918:30:00,30 ,       0,       1,0.298869,0.419192
sgpcmbeC1.c1,2004,0919:30:00,30 ,       0,       1,0.278148, 0.39572
sgpcmbeC1.c1,2004,0920:30:00,30 ,       0,       1,0.266759, 0.41368
sgpcmbeC1.c1,2004,0921:30:00,30 ,       0,       1,0.317315,0.439604
sgpcmbeC1.c1,2004,0922:30:00,30 ,       0,       1,0.354537,0.459247
sgpcmbeC1.c1,2004,0923:30:00,30 ,       0,       1,0.302037,0.417241