datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,05 0:30:00,31 ,       0,0.843304,0.333241,0.221112
twpcmbeC1.c1,2001,05 1:30:00,31 ,       0,0.662739,0.287128,0.196278
twpcmbeC1.c1,2001,05 2:30:00,31 ,       0,0.532282,0.217392,0.172026
twpcmbeC1.c1,2001,05 3:30:00,31 ,       0,0.470016,0.206595,0.150028
twpcmbeC1.c1,2001,05 4:30:00,31 ,       0,0.445842,0.120298,0.161622
twpcmbeC1.c1,2001,05 5:30:00,31 ,       0,0.596209,0.133115,0.153219
twpcmbeC1.c1,2001,05 6:30:00,31 ,6.811658,70.99762,31.24879, 16.5048
twpcmbeC1.c1,2001,05 7:30:00,31 ,5.664201,137.1363,74.25517,41.70702
twpcmbeC1.c1,2001,05 8:30:00,31 ,11.55969,175.5874,100.2431,43.13581
twpcmbeC1.c1,2001,05 9:30:00,31 ,16.04945,296.2829,123.8438, 62.2636
twpcmbeC1.c1,2001,0510:30:00,31 ,15.92941,296.2477,119.0025,78.19826
twpcmbeC1.c1,2001,0511:30:00,31 ,17.46203,291.6311,124.2207,  89.351
twpcmbeC1.c1,2001,0512:30:00,31 ,8.799789,282.6004,125.2873,73.06253
twpcmbeC1.c1,2001,0513:30:00,31 ,7.349516,301.8769,116.2324,91.41326
twpcmbeC1.c1,2001,0514:30:00,31 , 7.33373,297.4874,116.4224,94.80319
twpcmbeC1.c1,2001,0515:30:00,31 ,4.254355, 209.187,84.19719,61.94376
twpcmbeC1.c1,2001,0516:30:00,31 ,1.323749,149.6372,62.62702, 47.9723
twpcmbeC1.c1,2001,0517:30:00,31 ,0.392286,79.51711,29.46532,18.66281
twpcmbeC1.c1,2001,0518:30:00,31 ,       0,5.725558,1.977187, 1.30326
twpcmbeC1.c1,2001,0519:30:00,31 ,       0,0.500832,0.055987,0.118805
twpcmbeC1.c1,2001,0520:30:00,31 ,       0, 0.40307,0.091385,0.119616
twpcmbeC1.c1,2001,0521:30:00,31 ,       0,0.470931,0.179098,0.156169
twpcmbeC1.c1,2001,0522:30:00,31 ,       0,0.680101,0.252808,0.181078
twpcmbeC1.c1,2001,0523:30:00,30 ,       0, 0.65119,0.311267,0.186767