datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,10 0:30:00,31 ,       0,0.391338,0.012624,0.070286
sgpcmbeC1.c1,1997,10 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 2:30:00,31 ,       0,0.494697,0.015958, 0.08885
sgpcmbeC1.c1,1997,10 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,10 6:30:00,31 ,       0,10.20947,4.447589,  3.2949
sgpcmbeC1.c1,1997,10 7:30:00,31 ,3.995621, 30.6477,12.68848,6.735084
sgpcmbeC1.c1,1997,10 8:30:00,31 ,2.537432,57.47821,13.50038,12.74758
sgpcmbeC1.c1,1997,10 9:30:00,31 ,0.885747,69.21985,17.07338,19.95926
sgpcmbeC1.c1,1997,1010:30:00,31 ,0.497315,124.5321,26.67789,31.45324
sgpcmbeC1.c1,1997,1011:30:00,31 ,0.675084,123.0083,27.99766,31.08634
sgpcmbeC1.c1,1997,1012:30:00,31 ,0.641528, 101.163, 28.5331,30.15547
sgpcmbeC1.c1,1997,1013:30:00,31 ,0.684892,91.30511,24.98358,27.45082
sgpcmbeC1.c1,1997,1014:30:00,31 ,0.836064,76.01952,25.50834,23.83624
sgpcmbeC1.c1,1997,1015:30:00,31 ,2.446622,74.71764,22.13827,19.64039
sgpcmbeC1.c1,1997,1016:30:00,31 ,3.090379,38.11798,13.42958,9.288325
sgpcmbeC1.c1,1997,1017:30:00,31 ,2.808935,49.42323,13.84686,8.640171
sgpcmbeC1.c1,1997,1018:30:00,31 ,       0,18.92282,1.427485,3.460557
sgpcmbeC1.c1,1997,1019:30:00,31 ,       0,0.992625, 0.03202,0.178281
sgpcmbeC1.c1,1997,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,1021:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1997,1022:30:00,31 ,       0, 1.57521,0.050813,0.282916
sgpcmbeC1.c1,1997,1023:30:00,31 ,       0,0.644296,0.020784,0.115719