datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,05 0:30:00,31 ,       0,0.574888,0.037605,0.113311
twpcmbeC1.c1,2004,05 1:30:00,31 ,       0,  0.3596,0.023624,0.078899
twpcmbeC1.c1,2004,05 2:30:00,31 ,       0,0.314584,0.014368,0.058604
twpcmbeC1.c1,2004,05 3:30:00,31 ,       0,0.037098,0.001973,0.007177
twpcmbeC1.c1,2004,05 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,05 5:30:00,31 ,       0,0.001195,0.000122,0.000328
twpcmbeC1.c1,2004,05 6:30:00,31 ,0.057911,32.38731,8.459367,10.38145
twpcmbeC1.c1,2004,05 7:30:00,31 , 0.58696,223.9604,78.30411,76.23184
twpcmbeC1.c1,2004,05 8:30:00,31 ,0.126062,430.9516,186.7458,152.6605
twpcmbeC1.c1,2004,05 9:30:00,31 ,0.326889,618.2225,320.5294,229.0407
twpcmbeC1.c1,2004,0510:30:00,31 ,0.757156, 751.747,408.3942,282.4891
twpcmbeC1.c1,2004,0511:30:00,31 ,3.410187,828.6541,433.5304,308.8385
twpcmbeC1.c1,2004,0512:30:00,31 ,3.706879,812.4869,402.7887,281.0886
twpcmbeC1.c1,2004,0513:30:00,31 ,0.929466,783.4355,380.2492,262.6572
twpcmbeC1.c1,2004,0514:30:00,31 ,       0,657.1436,245.6948,222.9238
twpcmbeC1.c1,2004,0515:30:00,31 ,0.107193,477.4417,116.8388,134.7246
twpcmbeC1.c1,2004,0516:30:00,31 ,       0,223.8419,55.09264,74.97597
twpcmbeC1.c1,2004,0517:30:00,31 ,       0,50.38848,9.183145,15.94733
twpcmbeC1.c1,2004,0518:30:00,31 ,       0,0.008478,0.001406,0.002012
twpcmbeC1.c1,2004,0519:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0520:30:00,31 ,       0,0.008391,0.000271,0.001507
twpcmbeC1.c1,2004,0521:30:00,31 ,       0,0.346715,0.017107, 0.06533
twpcmbeC1.c1,2004,0522:30:00,31 ,       0,0.522789,0.029914,0.096566
twpcmbeC1.c1,2004,0523:30:00,31 ,       0,1.066206,0.087891,0.248116