datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,04 0:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 1:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 2:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 3:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 4:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,04 5:30:00,29 ,       0,0.025071,0.000865,0.004656
twpcmbeC1.c1,2007,04 6:30:00,29 ,0.478641, 56.6235,22.16415,11.10531
twpcmbeC1.c1,2007,04 7:30:00,29 , 10.7493,191.8588,102.6466,45.82171
twpcmbeC1.c1,2007,04 8:30:00,29 ,  48.852,334.5383,179.4626, 81.2496
twpcmbeC1.c1,2007,04 9:30:00,29 ,89.31502,375.6877,228.5007,97.25242
twpcmbeC1.c1,2007,0410:30:00,29 ,56.88509,457.9555,262.6906,123.8298
twpcmbeC1.c1,2007,0411:30:00,29 ,90.52559,597.5887,312.5596,142.6418
twpcmbeC1.c1,2007,0412:30:00,29 ,94.77518,610.6545,327.8635, 133.895
twpcmbeC1.c1,2007,0413:30:00,29 ,93.35584,484.2939,293.2569,118.1685
twpcmbeC1.c1,2007,0414:30:00,29 ,83.68977,470.1339,267.2188,115.5261
twpcmbeC1.c1,2007,0415:30:00,29 ,21.82555,364.2159,204.2814,96.30743
twpcmbeC1.c1,2007,0416:30:00,29 , 18.0783, 253.813,134.1132,52.03051
twpcmbeC1.c1,2007,0417:30:00,29 ,9.031393,129.3013,57.65742,23.85205
twpcmbeC1.c1,2007,0418:30:00,29 ,0.150984,  8.6091,2.974052,2.058123
twpcmbeC1.c1,2007,0419:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0420:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0421:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0422:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,0423:30:00,29 ,       0,       0,       0,       0