datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,05 0:30:00,30 ,       0,0.332162,0.028571,0.079523
twpcmbeC2.c1,2004,05 1:30:00,29 ,       0,0.190129,0.015179,0.046306
twpcmbeC2.c1,2004,05 2:30:00,30 ,       0,0.323315,0.017308,0.063823
twpcmbeC2.c1,2004,05 3:30:00,31 ,       0,0.090924,0.008982,0.022776
twpcmbeC2.c1,2004,05 4:30:00,31 ,       0,0.043643,0.002756,0.010671
twpcmbeC2.c1,2004,05 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2004,05 6:30:00,31 ,       0,0.018499, 0.00864, 0.00514
twpcmbeC2.c1,2004,05 7:30:00,31 ,0.180647,84.46426,34.90432,27.82892
twpcmbeC2.c1,2004,05 8:30:00,31 ,0.316937,284.9436,159.3126,81.27785
twpcmbeC2.c1,2004,05 9:30:00,31 ,1.170021,468.6076,266.2729,153.9898
twpcmbeC2.c1,2004,0510:30:00,31 ,1.956161,659.6319,370.1474,215.5319
twpcmbeC2.c1,2004,0511:30:00,31 ,0.533173,757.8752,355.2857, 253.577
twpcmbeC2.c1,2004,0512:30:00,31 ,2.122299,791.9816,403.0627,276.6575
twpcmbeC2.c1,2004,0513:30:00,31 ,2.357468,759.8084,347.6163,230.5965
twpcmbeC2.c1,2004,0514:30:00,31 ,2.311417,688.2908,326.8609,197.8379
twpcmbeC2.c1,2004,0515:30:00,31 ,0.433746,568.4133,301.1737,195.2058
twpcmbeC2.c1,2004,0516:30:00,31 ,0.662029,415.3732,203.9095, 135.138
twpcmbeC2.c1,2004,0517:30:00,31 ,0.180477,210.5324,87.64564,68.73871
twpcmbeC2.c1,2004,0518:30:00,31 ,0.001093,35.41075,12.05029,12.39389
twpcmbeC2.c1,2004,0519:30:00,31 ,       0, 0.00899,0.001328,0.002518
twpcmbeC2.c1,2004,0520:30:00,31 ,       0,0.011528,0.000372, 0.00207
twpcmbeC2.c1,2004,0521:30:00,31 ,       0,0.083412,0.006429,0.017844
twpcmbeC2.c1,2004,0522:30:00,31 ,       0,0.325317,0.014005,0.058915
twpcmbeC2.c1,2004,0523:30:00,31 ,       0,0.185909,0.015275,0.047054