datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,09 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,09 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,09 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,09 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,09 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,09 5:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,09 6:30:00,30 ,       0,0.998447,0.193539,0.335566
sgpcmbeC1.c1,2000,09 7:30:00,30 ,0.000213,       1,0.244014,0.344297
sgpcmbeC1.c1,2000,09 8:30:00,30 ,0.000174,       1,0.282608,0.338727
sgpcmbeC1.c1,2000,09 9:30:00,30 ,0.000165,       1,0.308397,0.351923
sgpcmbeC1.c1,2000,0910:30:00,30 ,0.000307,       1,0.333821,0.349443
sgpcmbeC1.c1,2000,0911:30:00,30 ,8.543E-6,       1,0.263465,0.344867
sgpcmbeC1.c1,2000,0912:30:00,30 ,0.000135,       1,0.238798,0.323494
sgpcmbeC1.c1,2000,0913:30:00,30 ,0.000188,       1, 0.27313, 0.35495
sgpcmbeC1.c1,2000,0914:30:00,30 ,0.000501,       1, 0.24942, 0.33748
sgpcmbeC1.c1,2000,0915:30:00,30 ,0.000203,       1,0.215247,0.317462
sgpcmbeC1.c1,2000,0916:30:00,30 ,0.000309,       1,0.161855,0.293322
sgpcmbeC1.c1,2000,0917:30:00,29 ,0.000157,0.947613,0.113732,0.240365
sgpcmbeC1.c1,2000,0918:30:00,17 ,       0,0.202953,0.027362,0.052011
sgpcmbeC1.c1,2000,0919:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0920:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0921:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0922:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2000,0923:30:00,0 ,       .,       .,       .,       .