datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,08 5:30:00,2 ,       0,0.000509,0.000254, 0.00036
sgpcmbeC1.c1,2000,08 6:30:00,21 ,0.000015,       1,0.237071,0.320813
sgpcmbeC1.c1,2000,08 7:30:00,21 ,       0,       1, 0.26822,0.354696
sgpcmbeC1.c1,2000,08 8:30:00,21 ,0.000065,0.999236,0.260354,0.323146
sgpcmbeC1.c1,2000,08 9:30:00,21 ,0.000618,       1,0.263722,0.336577
sgpcmbeC1.c1,2000,0810:30:00,21 ,0.000775,0.967524,0.188315,0.310698
sgpcmbeC1.c1,2000,0811:30:00,20 ,0.001038,0.655881,0.102311, 0.18132
sgpcmbeC1.c1,2000,0812:30:00,20 ,0.000311,0.938832,0.142011,0.249867
sgpcmbeC1.c1,2000,0813:30:00,20 ,0.000202,       1,0.201227,0.318009
sgpcmbeC1.c1,2000,0814:30:00,20 ,0.000767,0.999886,0.239405,0.298989
sgpcmbeC1.c1,2000,0815:30:00,20 ,0.005301,0.999837, 0.25598,0.303299
sgpcmbeC1.c1,2000,0816:30:00,20 ,0.012699,0.990886,0.275828,0.327431
sgpcmbeC1.c1,2000,0817:30:00,20 ,0.007844,0.999992,0.192166,0.290294
sgpcmbeC1.c1,2000,0818:30:00,20 ,0.004288,0.707212,0.170081,0.252361
sgpcmbeC1.c1,2000,0819:30:00,12 ,       0,0.131769,0.025048,0.040485
sgpcmbeC1.c1,2000,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0823:30:00,0 ,       .,       .,       .,       .