datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,03 0:30:00,31 ,       0,       1,0.521595,0.477297
sgpcmbeC1.c1,1998,03 1:30:00,31 ,       0,       1,0.575538,0.475238
sgpcmbeC1.c1,1998,03 2:30:00,31 ,       0,       1,0.571237,0.478578
sgpcmbeC1.c1,1998,03 3:30:00,31 ,       0,       1,0.567832,0.479514
sgpcmbeC1.c1,1998,03 4:30:00,31 ,       0,       1,0.548029, 0.46676
sgpcmbeC1.c1,1998,03 5:30:00,31 ,       0,       1,0.521864,0.462109
sgpcmbeC1.c1,1998,03 6:30:00,31 ,       0,       1,0.517652,0.438399
sgpcmbeC1.c1,1998,03 7:30:00,31 ,       0,       1, 0.54991,0.438838
sgpcmbeC1.c1,1998,03 8:30:00,31 ,       0,       1,0.579122,0.445698
sgpcmbeC1.c1,1998,03 9:30:00,31 ,       0,       1,0.580108,0.411674
sgpcmbeC1.c1,1998,0310:30:00,31 ,       0,       1,    0.65,0.416393
sgpcmbeC1.c1,1998,0311:30:00,31 ,       0,       1, 0.58638,0.408556
sgpcmbeC1.c1,1998,0312:30:00,31 ,       0,       1,0.592652,0.405655
sgpcmbeC1.c1,1998,0313:30:00,31 ,       0,       1,0.570878,0.424649
sgpcmbeC1.c1,1998,0314:30:00,31 ,       0,       1, 0.55448,0.427767
sgpcmbeC1.c1,1998,0315:30:00,31 ,       0,       1,0.548208,0.456375
sgpcmbeC1.c1,1998,0316:30:00,31 ,       0,       1,0.516039,0.449696
sgpcmbeC1.c1,1998,0317:30:00,31 ,       0,       1,0.540054,0.443571
sgpcmbeC1.c1,1998,0318:30:00,31 ,       0,       1,0.581541,0.450291
sgpcmbeC1.c1,1998,0319:30:00,31 ,       0,       1,0.569444,0.431236
sgpcmbeC1.c1,1998,0320:30:00,31 ,       0,       1,0.514427,0.454321
sgpcmbeC1.c1,1998,0321:30:00,31 ,       0,       1,0.453584,0.465888
sgpcmbeC1.c1,1998,0322:30:00,31 ,       0,       1,0.470968,0.467079
sgpcmbeC1.c1,1998,0323:30:00,31 ,       0,       1, 0.49552,0.440738