datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,05 0:30:00,31 ,       0,0.099615,0.014181,0.028675
twpcmbeC1.c1,1997,05 1:30:00,31 ,       0,0.116373,0.014512,0.031404
twpcmbeC1.c1,1997,05 2:30:00,31 ,       0,0.372541,0.025465, 0.07088
twpcmbeC1.c1,1997,05 3:30:00,31 ,       0,0.217167,0.020085,0.046562
twpcmbeC1.c1,1997,05 4:30:00,30 ,       0, 0.21387,0.016464, 0.04472
twpcmbeC1.c1,1997,05 5:30:00,31 ,       0, 0.74217,0.130726,0.176966
twpcmbeC1.c1,1997,05 6:30:00,31 ,1.284786,43.64371,21.19243,8.103144
twpcmbeC1.c1,1997,05 7:30:00,31 ,2.784865, 59.7208,22.50324,15.05499
twpcmbeC1.c1,1997,05 8:30:00,31 ,3.954605,112.5579,38.15902,26.80417
twpcmbeC1.c1,1997,05 9:30:00,31 ,2.208183,88.99828,38.63368,23.48856
twpcmbeC1.c1,1997,0510:30:00,31 ,1.771836, 137.733,53.59224,36.65418
twpcmbeC1.c1,1997,0511:30:00,31 ,2.354793,236.4394,  72.868,62.11851
twpcmbeC1.c1,1997,0512:30:00,31 , 4.31017,147.6637,47.09895,32.96229
twpcmbeC1.c1,1997,0513:30:00,31 ,4.262301,176.1739,59.96724, 43.2043
twpcmbeC1.c1,1997,0514:30:00,31 ,1.504728,132.7176,42.46758,32.56461
twpcmbeC1.c1,1997,0515:30:00,31 ,3.529191, 94.0929,29.12585,24.93413
twpcmbeC1.c1,1997,0516:30:00,31 ,3.330965,65.46828,23.77298,19.81607
twpcmbeC1.c1,1997,0517:30:00,31 , 1.76941,42.67199,18.61713,8.958346
twpcmbeC1.c1,1997,0518:30:00,31 ,       0,4.995056,1.637222,1.140616
twpcmbeC1.c1,1997,0519:30:00,31 ,       0, 0.20679,0.009614,0.038469
twpcmbeC1.c1,1997,0520:30:00,31 ,       0,0.105067, 0.01485,0.033773
twpcmbeC1.c1,1997,0521:30:00,31 ,       0,0.101494,0.013847,0.031982
twpcmbeC1.c1,1997,0522:30:00,31 ,       0,0.128576,0.018183,0.036331
twpcmbeC1.c1,1997,0523:30:00,31 ,       0, 0.13166,0.018835,0.036417