datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,08 0:30:00,30 ,       0,0.030614,0.002792,0.007045
twpcmbeC1.c1,2002,08 1:30:00,30 ,       0,0.031452, 0.00158, 0.00598
twpcmbeC1.c1,2002,08 2:30:00,30 ,       0,0.011604,0.001057,0.002852
twpcmbeC1.c1,2002,08 3:30:00,30 ,       0,0.006561,0.000219,0.001198
twpcmbeC1.c1,2002,08 4:30:00,30 ,       0,0.016783,0.000952,0.003682
twpcmbeC1.c1,2002,08 5:30:00,30 ,       0,0.075429,0.004967,0.018905
twpcmbeC1.c1,2002,08 6:30:00,30 ,3.125688,39.62622,20.86362, 7.55108
twpcmbeC1.c1,2002,08 7:30:00,30 ,2.962039,97.91254,29.89579,17.95739
twpcmbeC1.c1,2002,08 8:30:00,30 ,10.62574,199.3306,40.21008,34.76817
twpcmbeC1.c1,2002,08 9:30:00,31 ,6.319707,140.9701, 51.1718,33.77358
twpcmbeC1.c1,2002,0810:30:00,30 ,7.552681, 107.265,50.33275,23.81364
twpcmbeC1.c1,2002,0811:30:00,30 , 4.48424,126.0504,55.21054,33.24901
twpcmbeC1.c1,2002,0812:30:00,30 ,18.58261,113.2513,56.69721,26.58799
twpcmbeC1.c1,2002,0813:30:00,30 ,10.65846,223.3532,55.42732, 39.6561
twpcmbeC1.c1,2002,0814:30:00,30 ,2.267763,152.4145,41.85006,29.57795
twpcmbeC1.c1,2002,0815:30:00,30 ,3.642943,81.57842,33.85668,17.53915
twpcmbeC1.c1,2002,0816:30:00,30 , 3.68646,91.20485, 33.0484,20.95813
twpcmbeC1.c1,2002,0817:30:00,30 ,3.805261, 56.8036,25.68882,11.56282
twpcmbeC1.c1,2002,0818:30:00,30 ,0.679959,10.32894,4.491081,1.988408
twpcmbeC1.c1,2002,0819:30:00,30 ,       0,0.108135,0.003605,0.019743
twpcmbeC1.c1,2002,0820:30:00,30 ,       0,0.032428,0.001757,0.006454
twpcmbeC1.c1,2002,0821:30:00,30 ,       0,0.028068,0.000936,0.005124
twpcmbeC1.c1,2002,0822:30:00,30 ,       0,0.014598,0.001307,0.003496
twpcmbeC1.c1,2002,0823:30:00,30 ,       0,0.015237,0.001009,0.003333