datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,08 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,08 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,08 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,08 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,08 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,08 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,08 6:30:00,29 ,0.033464,0.999976,0.399629,0.397696
sgpcmbeC1.c1,2006,08 7:30:00,29 ,0.028133,0.999731,0.426471,0.396131
sgpcmbeC1.c1,2006,08 8:30:00,30 ,0.016152,0.999678,0.478777,0.408542
sgpcmbeC1.c1,2006,08 9:30:00,31 ,0.012151,0.999984,0.529765,0.425314
sgpcmbeC1.c1,2006,0810:30:00,31 ,0.003666,0.999969,0.477926,0.438839
sgpcmbeC1.c1,2006,0811:30:00,31 ,0.002559,0.999939,0.432864, 0.42933
sgpcmbeC1.c1,2006,0812:30:00,31 ,0.001158,0.999996,0.456057,0.385558
sgpcmbeC1.c1,2006,0813:30:00,31 ,0.001112,0.999732,0.466477,0.355859
sgpcmbeC1.c1,2006,0814:30:00,31 ,0.004275,0.999669,0.464605,0.344486
sgpcmbeC1.c1,2006,0815:30:00,31 ,0.038619,0.999881,0.497368,0.316246
sgpcmbeC1.c1,2006,0816:30:00,31 ,0.027729,0.999894,0.416764,0.332881
sgpcmbeC1.c1,2006,0817:30:00,31 ,  0.0062,0.998511,0.375928,0.306362
sgpcmbeC1.c1,2006,0818:30:00,31 ,0.004794, 0.99966,0.345828,0.314969
sgpcmbeC1.c1,2006,0819:30:00,5 ,       0,0.997603,0.316246,0.409806
sgpcmbeC1.c1,2006,0820:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0821:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0822:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0823:30:00,0 ,       .,       .,       .,       .