datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,09 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,09 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,09 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,09 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,09 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,09 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,09 6:30:00,30 , 0.00248,0.995699,0.254137,0.346627
sgpcmbeC1.c1,2002,09 7:30:00,30 ,0.002012,       1,0.290822,0.354295
sgpcmbeC1.c1,2002,09 8:30:00,30 ,0.001435, 0.99995,0.324721,0.368166
sgpcmbeC1.c1,2002,09 9:30:00,30 ,0.000436, 0.99985,0.406257,0.401419
sgpcmbeC1.c1,2002,0910:30:00,30 , 0.00024,0.999258,0.362344,0.376838
sgpcmbeC1.c1,2002,0911:30:00,30 ,0.001066,0.999974, 0.34061,0.363443
sgpcmbeC1.c1,2002,0912:30:00,30 ,0.001185, 0.99991,0.343636,0.360226
sgpcmbeC1.c1,2002,0913:30:00,30 ,0.001037,       1,0.327767,0.382345
sgpcmbeC1.c1,2002,0914:30:00,30 ,0.000744,       1, 0.35985,0.391868
sgpcmbeC1.c1,2002,0915:30:00,30 ,0.000445,0.999958,0.354268,0.375523
sgpcmbeC1.c1,2002,0916:30:00,30 ,0.000286,0.999945,0.313251,0.372083
sgpcmbeC1.c1,2002,0917:30:00,30 ,0.001599,       1,0.306053, 0.35861
sgpcmbeC1.c1,2002,0918:30:00,20 , 0.00459,0.999316,0.301175,0.366348
sgpcmbeC1.c1,2002,0919:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0920:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0921:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0922:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2002,0923:30:00,0 ,       .,       .,       .,       .