datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,04 0:30:00,27 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,04 1:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,04 2:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,04 3:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,04 4:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,04 5:30:00,29 ,       0,0.000279,9.632E-6,0.000052
twpcmbeC1.c1,2006,04 6:30:00,29 ,1.296807,56.24065, 23.7977, 13.8541
twpcmbeC1.c1,2006,04 7:30:00,29 ,10.38367, 173.913,97.28807,43.87476
twpcmbeC1.c1,2006,04 8:30:00,29 ,60.25187,318.0845,181.9762,67.92965
twpcmbeC1.c1,2006,04 9:30:00,29 ,90.36607,431.6594,277.4459,92.62959
twpcmbeC1.c1,2006,0410:30:00,29 ,84.98652,486.9184,312.7081,115.7939
twpcmbeC1.c1,2006,0411:30:00,29 ,123.5578,575.5573,329.3079,135.4533
twpcmbeC1.c1,2006,0412:30:00,29 ,139.4262,573.1025,350.4058,130.5397
twpcmbeC1.c1,2006,0413:30:00,29 ,85.84359,558.8065,335.3679, 123.491
twpcmbeC1.c1,2006,0414:30:00,29 ,17.40837,527.4268,268.8261, 138.614
twpcmbeC1.c1,2006,0415:30:00,29 ,19.18909, 343.566,195.6348,99.03796
twpcmbeC1.c1,2006,0416:30:00,29 ,9.191217,230.3047,127.9939,55.17814
twpcmbeC1.c1,2006,0417:30:00,29 ,7.430844, 90.0387,53.06981,21.42513
twpcmbeC1.c1,2006,0418:30:00,29 ,0.139241, 3.65409, 1.83951,0.787051
twpcmbeC1.c1,2006,0419:30:00,29 ,       0,0.001058,0.000036,0.000196
twpcmbeC1.c1,2006,0420:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0421:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0422:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0423:30:00,28 ,       0,       0,       0,       0