datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,07 0:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,07 1:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,07 2:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,07 3:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,07 4:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,07 5:30:00,20 ,0.012073,       1,0.339856,0.338504
sgpcmbeC1.c1,2006,07 6:30:00,31 ,0.006752,0.999487,0.378507,0.346458
sgpcmbeC1.c1,2006,07 7:30:00,31 ,0.007678,0.999867,0.338181,0.367372
sgpcmbeC1.c1,2006,07 8:30:00,31 ,0.005818,0.999987,0.303803, 0.38864
sgpcmbeC1.c1,2006,07 9:30:00,31 ,0.004046, 0.99991,0.340516, 0.41298
sgpcmbeC1.c1,2006,0710:30:00,31 ,0.002334,0.999973,0.289952,0.408103
sgpcmbeC1.c1,2006,0711:30:00,31 ,0.002283,0.999928,0.308291,0.419437
sgpcmbeC1.c1,2006,0712:30:00,31 ,0.000664,0.999999,0.310143,0.370072
sgpcmbeC1.c1,2006,0713:30:00,31 ,0.000852,       1,0.329717,0.385168
sgpcmbeC1.c1,2006,0714:30:00,31 ,0.000377,0.999962,0.294662,0.358185
sgpcmbeC1.c1,2006,0715:30:00,31 ,0.000899,0.999806,0.264157,0.331042
sgpcmbeC1.c1,2006,0716:30:00,31 ,0.001338,0.999978,0.283301,0.309779
sgpcmbeC1.c1,2006,0717:30:00,31 ,0.001052,0.999986,0.250328,0.341604
sgpcmbeC1.c1,2006,0718:30:00,31 ,0.001252, 0.99991,0.235662,0.338239
sgpcmbeC1.c1,2006,0719:30:00,31 ,0.000292,0.999671,0.213427,0.331559
sgpcmbeC1.c1,2006,0720:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0721:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0722:30:00,0 ,       .,       .,       .,       .
sgpcmbeC1.c1,2006,0723:30:00,0 ,       .,       .,       .,       .