datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,12 0:30:00,31 ,       0,0.559953, 0.03685, 0.10594
twpcmbeC2.c1,2004,12 1:30:00,31 ,       0,0.487833,0.029682,0.112677
twpcmbeC2.c1,2004,12 2:30:00,31 ,       0,0.286079,0.026332,0.060328
twpcmbeC2.c1,2004,12 3:30:00,31 ,       0, 0.24375,0.020591,0.062329
twpcmbeC2.c1,2004,12 4:30:00,31 ,       0,0.110375,0.009655,0.026577
twpcmbeC2.c1,2004,12 5:30:00,31 ,       0,0.044756, 0.00178,0.008193
twpcmbeC2.c1,2004,12 6:30:00,31 ,       0,0.040784,0.006876, 0.00806
twpcmbeC2.c1,2004,12 7:30:00,31 ,0.088348,84.66541,31.24989,29.52344
twpcmbeC2.c1,2004,12 8:30:00,31 ,0.153891,297.3106,136.1135,123.3249
twpcmbeC2.c1,2004,12 9:30:00,31 ,0.169434,500.3146,221.4787,191.7566
twpcmbeC2.c1,2004,1210:30:00,31 ,0.181747, 674.323,263.8211,237.7013
twpcmbeC2.c1,2004,1211:30:00,31 ,0.128082,796.0698,347.3989,279.7679
twpcmbeC2.c1,2004,1212:30:00,31 ,0.730621,856.6162,368.8222,296.4277
twpcmbeC2.c1,2004,1213:30:00,31 , 0.59092,842.8409,346.7516,298.3785
twpcmbeC2.c1,2004,1214:30:00,31 , 0.00153,775.2617,327.3205, 285.505
twpcmbeC2.c1,2004,1215:30:00,31 ,0.645393,631.8516,237.9679,226.1296
twpcmbeC2.c1,2004,1216:30:00,31 ,0.116348,451.5884,192.7634,163.6828
twpcmbeC2.c1,2004,1217:30:00,31 ,0.013985,234.2935,88.06425,79.85689
twpcmbeC2.c1,2004,1218:30:00,31 ,       0,44.01322,10.96278,14.27472
twpcmbeC2.c1,2004,1219:30:00,31 ,       0,0.012213,0.001885,0.003213
twpcmbeC2.c1,2004,1220:30:00,31 ,       0,0.197657,0.006376,  0.0355
twpcmbeC2.c1,2004,1221:30:00,31 ,       0,0.151748,0.007249,0.028178
twpcmbeC2.c1,2004,1222:30:00,31 ,       0,0.440177,0.027178,0.087681
twpcmbeC2.c1,2004,1223:30:00,31 ,       0,0.781069, 0.06736,0.163338