datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,08 0:30:00,31 ,       0,0.095422,0.011607,0.019879
twpcmbeC1.c1,2001,08 1:30:00,28 ,       0,0.050371,0.012015,0.011916
twpcmbeC1.c1,2001,08 2:30:00,29 ,       0,0.186179,0.018598,0.035932
twpcmbeC1.c1,2001,08 3:30:00,31 ,       0, 0.10661,0.015502, 0.02331
twpcmbeC1.c1,2001,08 4:30:00,30 ,       0,0.036545,0.002913, 0.00755
twpcmbeC1.c1,2001,08 5:30:00,31 ,       0,0.168804,0.017658,0.038642
twpcmbeC1.c1,2001,08 6:30:00,31 ,1.628417,91.55842,24.97044,18.43585
twpcmbeC1.c1,2001,08 7:30:00,31 ,1.238235,109.8179,34.73529,23.88336
twpcmbeC1.c1,2001,08 8:30:00,31 ,3.784873,   189.3,53.74948,38.25029
twpcmbeC1.c1,2001,08 9:30:00,30 ,6.737366,197.0467,69.13714,50.62529
twpcmbeC1.c1,2001,0810:30:00,27 ,5.016702,276.8232,70.82212,60.63526
twpcmbeC1.c1,2001,0811:30:00,28 ,3.100785,338.5064,91.44776,87.35476
twpcmbeC1.c1,2001,0812:30:00,29 ,0.945917,259.7607,92.56596,65.72714
twpcmbeC1.c1,2001,0813:30:00,29 ,1.897135,281.4335,90.49644, 60.6974
twpcmbeC1.c1,2001,0814:30:00,30 ,13.13633, 206.642, 71.1178,48.60793
twpcmbeC1.c1,2001,0815:30:00,29 ,10.49685,160.6221,54.48534,35.68576
twpcmbeC1.c1,2001,0816:30:00,30 ,8.413589,160.3278, 37.6437,31.11253
twpcmbeC1.c1,2001,0817:30:00,30 ,5.693791, 82.4575,26.05462,15.41773
twpcmbeC1.c1,2001,0818:30:00,31 ,       0,11.67095,5.179728,2.815315
twpcmbeC1.c1,2001,0819:30:00,31 ,       0,0.028641,0.000924,0.005144
twpcmbeC1.c1,2001,0820:30:00,31 ,       0,  0.0997,0.006263,0.019641
twpcmbeC1.c1,2001,0821:30:00,31 ,       0,0.108496,0.011178,0.026219
twpcmbeC1.c1,2001,0822:30:00,31 ,       0,0.120964,0.008315,0.022746
twpcmbeC1.c1,2001,0823:30:00,31 ,       0,0.039937,0.004101,0.008639