datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,05 0:30:00,30 ,       0,1.264263,0.162153,0.339471
sgpcmbeC1.c1,2000,05 1:30:00,31 ,       0,2.330009, 0.20294,0.519535
sgpcmbeC1.c1,2000,05 2:30:00,31 ,       0,2.374089,0.237015,0.588192
sgpcmbeC1.c1,2000,05 3:30:00,31 ,       0,1.249915,0.165223,0.361407
sgpcmbeC1.c1,2000,05 4:30:00,31 ,       0,2.394191,0.178539,0.499893
sgpcmbeC1.c1,2000,05 5:30:00,30 ,0.043839,11.62355, 3.00196,3.624749
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 ,0.073532, 811.615,516.9239, 318.952
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 ,0.054547,14.59336,2.435803,3.193523
sgpcmbeC1.c1,2000,0520:30:00,30 ,       0,2.192954,0.197606,0.549167
sgpcmbeC1.c1,2000,0521:30:00,30 ,       0,2.049297,0.188533,0.448496
sgpcmbeC1.c1,2000,0522:30:00,30 ,       0,2.386458,0.247402, 0.59685
sgpcmbeC1.c1,2000,0523:30:00,30 ,       0,2.304732,0.175925,0.482543