datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,06 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,06 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,06 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,06 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,06 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,06 5:30:00,7 ,       0,0.778687,0.243013,0.275003
sgpcmbeC1.c1,2005,06 6:30:00,7 ,0.033718,0.976685,0.345083,0.310252
sgpcmbeC1.c1,2005,06 7:30:00,7 ,0.099708,0.979139,0.457767,0.283095
sgpcmbeC1.c1,2005,06 8:30:00,7 , 0.02955,0.999339,0.586464,0.369523
sgpcmbeC1.c1,2005,06 9:30:00,7 ,0.006312,0.999355, 0.41835,0.360619
sgpcmbeC1.c1,2005,0610:30:00,7 ,0.001316,0.975903,0.357043,0.309905
sgpcmbeC1.c1,2005,0611:30:00,7 ,0.002189,0.989847,0.515687,0.381711
sgpcmbeC1.c1,2005,0612:30:00,7 , 0.00224,0.999952,0.490863, 0.31523
sgpcmbeC1.c1,2005,0613:30:00,6 ,0.017998,0.991663,0.532747,0.322634
sgpcmbeC1.c1,2005,0614:30:00,6 , 0.39178,0.999908,0.586941,0.231961
sgpcmbeC1.c1,2005,0615:30:00,6 ,0.341431,0.988358,0.616397,0.271874
sgpcmbeC1.c1,2005,0616:30:00,6 ,  0.0732,0.993456,0.626421,0.376481
sgpcmbeC1.c1,2005,0617:30:00,6 , 0.05196,0.994281,0.615692, 0.38368
sgpcmbeC1.c1,2005,0618:30:00,6 ,0.051254, 0.99991,0.567634,  0.3858
sgpcmbeC1.c1,2005,0619:30:00,6 ,0.002356,0.998271,0.368133,0.432389
sgpcmbeC1.c1,2005,0620:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0621:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0622:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2005,0623:30:00,0 ,       .,       .,       .,       .