datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2002,03 0:30:00,31 ,0.268873,1.861527,0.763059,0.392819 twpcmbeC1.c1,2002,03 1:30:00,31 ,0.123911,3.574181, 0.83784,0.681221 twpcmbeC1.c1,2002,03 2:30:00,31 ,0.187994,2.301136,0.870376, 0.54885 twpcmbeC1.c1,2002,03 3:30:00,31 ,0.162543,2.446413,0.741974,0.434435 twpcmbeC1.c1,2002,03 4:30:00,31 ,0.237566, 3.45585,0.913801,0.566565 twpcmbeC1.c1,2002,03 5:30:00,31 , 0.28931,2.385265,0.931598,0.594227 twpcmbeC1.c1,2002,03 6:30:00,31 ,0.490062,4.593445, 2.06302,1.207307 twpcmbeC1.c1,2002,03 7:30:00,31 ,1.039152,9.649488,5.083425,2.482641 twpcmbeC1.c1,2002,03 8:30:00,31 ,1.834899,13.73644,6.528846,2.971425 twpcmbeC1.c1,2002,03 9:30:00,31 ,1.815138,10.84624,6.295888,2.661345 twpcmbeC1.c1,2002,0310:30:00,31 ,2.252942,20.39471,8.238988,4.889273 twpcmbeC1.c1,2002,0311:30:00,31 ,2.490649,23.97054,8.478505,5.081747 twpcmbeC1.c1,2002,0312:30:00,31 ,1.532495,29.03679,8.828826,6.537367 twpcmbeC1.c1,2002,0313:30:00,31 ,2.123642,26.67817,9.590834, 6.91871 twpcmbeC1.c1,2002,0314:30:00,31 , 1.81381,27.85686,7.558907,5.676602 twpcmbeC1.c1,2002,0315:30:00,31 ,1.054358,14.43684,6.038696,3.576919 twpcmbeC1.c1,2002,0316:30:00,31 , 0.60285,14.04891,4.996868,3.598851 twpcmbeC1.c1,2002,0317:30:00,31 , 0.75542,7.858381,3.401606,1.858782 twpcmbeC1.c1,2002,0318:30:00,31 ,0.344339,5.339752,1.933117,1.067612 twpcmbeC1.c1,2002,0319:30:00,31 ,0.314132,3.148999,1.213049,0.746629 twpcmbeC1.c1,2002,0320:30:00,31 ,0.270771,3.139662,0.833188,0.600804 twpcmbeC1.c1,2002,0321:30:00,31 ,0.311103,1.973079,0.839508,0.466879 twpcmbeC1.c1,2002,0322:30:00,31 ,0.241656,2.206401, 0.89286,0.551162 twpcmbeC1.c1,2002,0323:30:00,31 ,0.245746,3.797006,1.009647,0.801347