datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2006,05 0:30:00,30 ,       0,0.290352,0.017136, 0.06146
twpcmbeC2.c1,2006,05 1:30:00,30 ,       0,0.163568,0.007771,0.031483
twpcmbeC2.c1,2006,05 2:30:00,31 ,       0,0.668097,0.033214,0.134519
twpcmbeC2.c1,2006,05 3:30:00,31 ,       0,0.165265,0.008565,0.032209
twpcmbeC2.c1,2006,05 4:30:00,31 ,       0,0.017468,0.000563,0.003137
twpcmbeC2.c1,2006,05 5:30:00,31 ,       0,0.011379,0.000367,0.002044
twpcmbeC2.c1,2006,05 6:30:00,31 ,0.307068,3.821353,2.356324,0.723934
twpcmbeC2.c1,2006,05 7:30:00,31 ,33.27049,129.5403, 100.289,25.20071
twpcmbeC2.c1,2006,05 8:30:00,31 ,94.36632,366.6816,299.0931,72.86474
twpcmbeC2.c1,2006,05 9:30:00,31 ,245.5237,593.2158,501.9209,99.96421
twpcmbeC2.c1,2006,0510:30:00,31 ,316.6825,806.2952,648.5007,143.7474
twpcmbeC2.c1,2006,0511:30:00,31 ,196.4187,928.9321,750.8918,185.9698
twpcmbeC2.c1,2006,0512:30:00,31 ,212.7137,1011.005, 759.804,218.2774
twpcmbeC2.c1,2006,0513:30:00,31 ,94.42531,977.9478,749.0654,253.5354
twpcmbeC2.c1,2006,0514:30:00,31 ,  127.68,949.6118,732.5261,204.8605
twpcmbeC2.c1,2006,0515:30:00,31 , 116.446,812.7439,  603.33,176.1506
twpcmbeC2.c1,2006,0516:30:00,31 ,105.7953,578.5345,461.2681, 117.909
twpcmbeC2.c1,2006,0517:30:00,31 ,65.57922,366.7935,250.9605,70.94896
twpcmbeC2.c1,2006,0518:30:00,31 ,13.06566,96.69606,55.48668,19.62376
twpcmbeC2.c1,2006,0519:30:00,31 ,       0,0.425623,0.077683,0.099364
twpcmbeC2.c1,2006,0520:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2006,0521:30:00,31 ,       0,0.160974,0.009516,0.032777
twpcmbeC2.c1,2006,0522:30:00,31 ,       0,0.112911,0.004589,0.020783
twpcmbeC2.c1,2006,0523:30:00,31 ,       0,       0,       0,       0