datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,09 0:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,09 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,09 2:30:00,30 ,       0,0.003492,0.000116,0.000638
twpcmbeC1.c1,2006,09 3:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,09 4:30:00,30 ,       0,0.000243, 8.09E-6,0.000044
twpcmbeC1.c1,2006,09 5:30:00,30 ,       0,0.658771,0.162894,0.206856
twpcmbeC1.c1,2006,09 6:30:00,30 ,4.991285,43.31017,21.03404,11.58835
twpcmbeC1.c1,2006,09 7:30:00,30 ,4.323051,  62.619,24.03581, 16.4964
twpcmbeC1.c1,2006,09 8:30:00,30 ,1.026701,125.5797,38.29363, 30.0512
twpcmbeC1.c1,2006,09 9:30:00,30 ,5.333509,118.6558,45.99985,30.59498
twpcmbeC1.c1,2006,0910:30:00,30 ,4.494331,226.5895,62.63255,43.98078
twpcmbeC1.c1,2006,0911:30:00,30 ,6.458125,135.2851,60.41802,34.98762
twpcmbeC1.c1,2006,0912:30:00,30 ,7.245716,160.4896,63.40232,38.09834
twpcmbeC1.c1,2006,0913:30:00,30 ,11.30679,203.6024,62.81209,41.99414
twpcmbeC1.c1,2006,0914:30:00,30 ,5.477532,109.0506,46.55749,29.03586
twpcmbeC1.c1,2006,0915:30:00,30 ,6.336465,96.83838,38.89008,22.03737
twpcmbeC1.c1,2006,0916:30:00,30 ,0.648051,93.18533,31.28027,22.94617
twpcmbeC1.c1,2006,0917:30:00,30 , 1.06839,68.27049,24.69783,13.10327
twpcmbeC1.c1,2006,0918:30:00,30 ,       0,5.349435,2.790136, 1.43648
twpcmbeC1.c1,2006,0919:30:00,30 ,       0,0.003555,0.000119,0.000649
twpcmbeC1.c1,2006,0920:30:00,30 ,       0,0.016548,0.000552,0.003021
twpcmbeC1.c1,2006,0921:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0922:30:00,29 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0923:30:00,28 ,       0,       0,       0,       0