datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,09 0:30:00,23 ,       0,0.122909, 0.03083,0.045602
twpcmbeC1.c1,1999,09 1:30:00,23 ,       0, 0.14027,0.033246, 0.05337
twpcmbeC1.c1,1999,09 2:30:00,23 ,       0,0.114448, 0.01328,0.035631
twpcmbeC1.c1,1999,09 3:30:00,23 ,       0, 0.10937,0.007872,0.026694
twpcmbeC1.c1,1999,09 4:30:00,23 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,09 5:30:00,23 ,       0,0.016963, 0.00386,0.004356
twpcmbeC1.c1,1999,09 6:30:00,23 ,0.039184,51.43191,25.69436,18.07408
twpcmbeC1.c1,1999,09 7:30:00,23 ,0.153948,129.6453, 69.3359,31.29982
twpcmbeC1.c1,1999,09 8:30:00,23 ,0.377543,207.3402,94.14808,50.15161
twpcmbeC1.c1,1999,09 9:30:00,23 ,5.675362,300.2422,124.5177,87.48145
twpcmbeC1.c1,1999,0910:30:00,23 ,25.18804,382.2043,139.1777,100.3642
twpcmbeC1.c1,1999,0911:30:00,23 ,6.355954,357.8706, 155.312,116.9221
twpcmbeC1.c1,1999,0912:30:00,23 ,5.238976,352.6928,150.9845,128.4518
twpcmbeC1.c1,1999,0913:30:00,23 ,5.622265,364.8751,165.0765,117.8399
twpcmbeC1.c1,1999,0914:30:00,23 ,3.134753,317.1393,139.8865,81.87189
twpcmbeC1.c1,1999,0915:30:00,23 ,2.582332, 258.222,93.31072,71.12895
twpcmbeC1.c1,1999,0916:30:00,23 ,0.231661,165.5593,75.78581,49.10708
twpcmbeC1.c1,1999,0917:30:00,23 ,       0,62.84473,28.03228,21.69563
twpcmbeC1.c1,1999,0918:30:00,23 ,       0,0.092016,0.008622,0.020842
twpcmbeC1.c1,1999,0919:30:00,23 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0920:30:00,23 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0921:30:00,23 ,       0, 0.08591,0.003735,0.017913
twpcmbeC1.c1,1999,0922:30:00,23 ,       0,0.128279,0.009944,0.033213
twpcmbeC1.c1,1999,0923:30:00,23 ,       0,0.125527,0.013434,0.036492