datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,05 1:30:00,31 ,       0,0.531544,0.017147,0.095468
sgpcmbeC1.c1,2000,05 2:30:00,31 ,       0,1.178179,0.045742,0.212423
sgpcmbeC1.c1,2000,05 3:30:00,31 ,       0,0.253005,0.008161,0.045441
sgpcmbeC1.c1,2000,05 4:30:00,31 ,       0, 0.61324,0.028575,0.119032
sgpcmbeC1.c1,2000,05 5:30:00,30 ,       0,11.34938,2.728937,3.631046
sgpcmbeC1.c1,2000,05 6:30:00,22 ,       0,125.3203,62.39274,48.59522
sgpcmbeC1.c1,2000,05 7:30:00,21 ,0.015656,307.0023,188.9314,121.0446
sgpcmbeC1.c1,2000,05 8:30:00,21 ,0.437592,500.4052,325.1039,201.1621
sgpcmbeC1.c1,2000,05 9:30:00,21 ,0.212647,676.2911,445.7346, 253.482
sgpcmbeC1.c1,2000,0510:30:00,21 ,       0, 811.615,516.9159,318.9656
sgpcmbeC1.c1,2000,0511:30:00,22 ,0.592194,896.1003,518.4211,346.9793
sgpcmbeC1.c1,2000,0512:30:00,22 ,1.324738,930.0732,531.3654,378.7251
sgpcmbeC1.c1,2000,0513:30:00,22 ,0.326965,890.1137, 531.965,357.8292
sgpcmbeC1.c1,2000,0514:30:00,22 ,1.138336,  777.27,481.0258, 317.287
sgpcmbeC1.c1,2000,0515:30:00,22 ,1.212906,647.1836,357.3463,260.7711
sgpcmbeC1.c1,2000,0516:30:00,22 ,0.141281,480.5565,  278.14,175.3688
sgpcmbeC1.c1,2000,0517:30:00,22 ,0.156044,293.4661,149.9466,103.8879
sgpcmbeC1.c1,2000,0518:30:00,23 ,       0,113.7493,  41.931,36.87945
sgpcmbeC1.c1,2000,0519:30:00,30 ,       0,14.59336,2.196437,3.225786
sgpcmbeC1.c1,2000,0520:30:00,30 ,       0,1.888294,0.125863,0.478987
sgpcmbeC1.c1,2000,0521:30:00,30 ,       0,1.520174,0.068256,0.290625
sgpcmbeC1.c1,2000,0522:30:00,30 ,       0,2.119224,0.097057,0.408385
sgpcmbeC1.c1,2000,0523:30:00,30 ,       0,0.487031,0.019453,0.090052