datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,09 0:30:00,24 ,       0,577.9472,44.98912,120.3602
sgpcmbeC1.c1,1999,09 1:30:00,22 ,       0,494.0264,53.60097,138.6804
sgpcmbeC1.c1,1999,09 2:30:00,24 ,       0,708.9734,105.7168,208.0215
sgpcmbeC1.c1,1999,09 3:30:00,25 ,       0,725.1824,77.45621,173.7258
sgpcmbeC1.c1,1999,09 4:30:00,24 ,       0,389.9142, 53.9855,93.84134
sgpcmbeC1.c1,1999,09 5:30:00,23 ,       0,458.7333, 67.1477,141.8797
sgpcmbeC1.c1,1999,09 6:30:00,24 ,       0,485.1373,72.12276,127.0856
sgpcmbeC1.c1,1999,09 7:30:00,26 ,       0,750.6824,73.62236,169.2599
sgpcmbeC1.c1,1999,09 8:30:00,26 ,       0,442.5691,70.16874,141.5415
sgpcmbeC1.c1,1999,09 9:30:00,26 ,       0,530.4054,67.95919,151.7124
sgpcmbeC1.c1,1999,0910:30:00,26 ,       0,534.9863,65.11811, 137.916
sgpcmbeC1.c1,1999,0911:30:00,26 ,       0,683.7134,81.73085,179.4559
sgpcmbeC1.c1,1999,0912:30:00,26 ,       0,488.9745,64.98499,116.0245
sgpcmbeC1.c1,1999,0913:30:00,26 ,       0,497.1607,73.62413,135.6127
sgpcmbeC1.c1,1999,0914:30:00,26 ,       0,617.0004, 69.3928,136.9821
sgpcmbeC1.c1,1999,0915:30:00,21 ,       0,414.5915,51.44645,115.3641
sgpcmbeC1.c1,1999,0916:30:00,19 ,       0,385.9463,55.86449,100.9272
sgpcmbeC1.c1,1999,0917:30:00,13 ,1.510648,187.4688,34.04725,59.07446
sgpcmbeC1.c1,1999,0918:30:00,24 ,0.037449,1033.492,73.48561,212.2231
sgpcmbeC1.c1,1999,0919:30:00,25 ,       0,  327.63,47.48234,80.12843
sgpcmbeC1.c1,1999,0920:30:00,25 ,0.004879,362.6601,59.88323,105.4938
sgpcmbeC1.c1,1999,0921:30:00,23 ,       0,257.3401,34.00584,61.79209
sgpcmbeC1.c1,1999,0922:30:00,25 ,       0,633.3486,72.85605,166.7472
sgpcmbeC1.c1,1999,0923:30:00,25 ,       0,825.9022,73.03295,180.6982