datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2004,05 0:00:00,21 ,2.136708,6.175494,4.479811,1.073124
twpcmbeC3.c1,2004,05 1:00:00,20 ,2.075993,6.124686,4.440381,1.090339
twpcmbeC3.c1,2004,05 2:00:00,22 ,2.103871, 6.09298,4.578716,1.067901
twpcmbeC3.c1,2004,05 3:00:00,23 ,1.999348,6.199427,4.605246,1.089122
twpcmbeC3.c1,2004,05 4:00:00,24 ,1.939724,6.024083,4.637024,1.122421
twpcmbeC3.c1,2004,05 5:00:00,24 ,1.985339,6.247993,4.601589,1.111291
twpcmbeC3.c1,2004,05 6:00:00,23 , 1.99079,6.165894,4.519778,1.072763
twpcmbeC3.c1,2004,05 7:00:00,23 ,2.012961,6.195659,4.495817,1.100593
twpcmbeC3.c1,2004,05 8:00:00,21 ,2.046772,6.272875,4.340659, 1.08411
twpcmbeC3.c1,2004,05 9:00:00,22 ,1.970635,6.187243,4.356224,1.102927
twpcmbeC3.c1,2004,0510:00:00,25 ,2.578021,5.984172,4.431328,  1.0079
twpcmbeC3.c1,2004,0511:00:00,24 ,2.469248, 5.77845,4.343731,0.946653
twpcmbeC3.c1,2004,0512:00:00,25 ,2.489304,6.020633,4.457899,0.977756
twpcmbeC3.c1,2004,0513:00:00,25 ,2.542016, 6.04823, 4.47728,0.972157
twpcmbeC3.c1,2004,0514:00:00,25 ,2.648087,6.225588,4.548704,0.975287
twpcmbeC3.c1,2004,0515:00:00,25 ,2.706899,6.392278,4.593747,0.959141
twpcmbeC3.c1,2004,0516:00:00,24 ,2.667679,6.327953, 4.63007,0.991524
twpcmbeC3.c1,2004,0517:00:00,23 ,2.618115,6.237266,4.612928,0.979097
twpcmbeC3.c1,2004,0518:00:00,25 ,2.571816,6.101497, 4.66889,0.991914
twpcmbeC3.c1,2004,0519:00:00,24 ,2.571671,6.053738,4.632388, 0.95401
twpcmbeC3.c1,2004,0520:00:00,24 ,2.473791,6.040743,4.630106,0.960603
twpcmbeC3.c1,2004,0521:00:00,25 , 2.41027,6.645638,4.738462,1.021054
twpcmbeC3.c1,2004,0522:00:00,25 ,2.269267,6.363294,4.718946,1.039266
twpcmbeC3.c1,2004,0523:00:00,24 ,2.191337,6.364379,4.701143,1.091562