datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,07 0:30:00,31 ,       0,0.695424,0.110288,0.177974
twpcmbeC1.c1,2002,07 1:30:00,31 ,       0,0.657144,0.090208,0.170875
twpcmbeC1.c1,2002,07 2:30:00,31 ,       0,0.493619,0.068339, 0.14042
twpcmbeC1.c1,2002,07 3:30:00,31 ,       0,0.300053,0.036946,0.083711
twpcmbeC1.c1,2002,07 4:30:00,31 ,       0,0.383574,0.017321,0.070628
twpcmbeC1.c1,2002,07 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2002,07 6:30:00,31 ,4.262538,51.74491,20.65651,10.69686
twpcmbeC1.c1,2002,07 7:30:00,31 ,3.174296,114.3407,54.18565,31.40205
twpcmbeC1.c1,2002,07 8:30:00,31 ,6.569714,159.0434,83.90772,46.57499
twpcmbeC1.c1,2002,07 9:30:00,31 ,9.916627,288.6152,119.6898,60.93465
twpcmbeC1.c1,2002,0710:30:00,31 ,29.35988,337.7489,139.4529,80.41294
twpcmbeC1.c1,2002,0711:30:00,31 ,15.28141,353.1362,146.2736,87.39589
twpcmbeC1.c1,2002,0712:30:00,31 ,7.414705,322.9684, 129.975,81.18242
twpcmbeC1.c1,2002,0713:30:00,31 ,21.94952,326.2025,124.4851, 88.3939
twpcmbeC1.c1,2002,0714:30:00,31 ,18.30394,299.2615,101.2216,67.05897
twpcmbeC1.c1,2002,0715:30:00,31 ,13.53499,216.4428,79.45777,52.90877
twpcmbeC1.c1,2002,0716:30:00,31 , 2.30283,156.4962,69.73759,42.44451
twpcmbeC1.c1,2002,0717:30:00,31 ,1.827931,70.50396,34.55176, 18.1393
twpcmbeC1.c1,2002,0718:30:00,31 ,0.300279,14.54726,5.139129,2.915447
twpcmbeC1.c1,2002,0719:30:00,31 ,       0,0.176857,0.014971, 0.04739
twpcmbeC1.c1,2002,0720:30:00,31 ,       0,0.304876,0.036659,0.087221
twpcmbeC1.c1,2002,0721:30:00,31 ,       0,0.456498,0.045096,0.112258
twpcmbeC1.c1,2002,0722:30:00,31 ,       0,0.382176,0.050969,0.105569
twpcmbeC1.c1,2002,0723:30:00,31 ,       0,0.491957,0.069834,0.149286