datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,05 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,05 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,05 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,05 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,05 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,05 5:30:00,23 ,0.007068,0.992652,0.256235,0.359557
sgpcmbeC1.c1,2004,05 6:30:00,31 ,0.006664,0.999272,0.355723,0.405721
sgpcmbeC1.c1,2004,05 7:30:00,31 ,0.002225,0.999996,0.424996, 0.45121
sgpcmbeC1.c1,2004,05 8:30:00,31 ,0.001995,       1,0.461677,0.431048
sgpcmbeC1.c1,2004,05 9:30:00,31 ,0.001594,       1,0.486405,0.460717
sgpcmbeC1.c1,2004,0510:30:00,31 ,0.001864,       1,0.453338,0.457086
sgpcmbeC1.c1,2004,0511:30:00,31 ,0.001849,       1,0.385167,0.398369
sgpcmbeC1.c1,2004,0512:30:00,31 ,0.004051,       1,0.396068,0.406074
sgpcmbeC1.c1,2004,0513:30:00,31 ,0.002213,       1,0.335274,0.385549
sgpcmbeC1.c1,2004,0514:30:00,31 ,0.003964,0.999973,0.341795,0.399185
sgpcmbeC1.c1,2004,0515:30:00,31 ,0.005479,0.999856,0.360554,0.399039
sgpcmbeC1.c1,2004,0516:30:00,31 ,0.005687,0.999596,0.347241,0.397992
sgpcmbeC1.c1,2004,0517:30:00,31 , 0.00564,0.999494,0.282167,0.359389
sgpcmbeC1.c1,2004,0518:30:00,31 ,0.005048,0.999584,0.214309,0.354012
sgpcmbeC1.c1,2004,0519:30:00,14 , 0.00202,0.999748,0.167034,0.351959
sgpcmbeC1.c1,2004,0520:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0521:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0522:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2004,0523:30:00,0 ,       .,       .,       .,       .