datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2007,09 0:30:00,30 ,       0,0.199816,0.009547,0.039256
twpcmbeC2.c1,2007,09 1:30:00,30 ,       0,0.081838,0.003486,0.015369
twpcmbeC2.c1,2007,09 2:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,09 3:30:00,30 ,       0,0.198568,0.012521,0.047732
twpcmbeC2.c1,2007,09 4:30:00,30 ,       0,0.028903,0.000963,0.005277
twpcmbeC2.c1,2007,09 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,09 6:30:00,30 , 0.00043,0.026009, 0.00592, 0.00577
twpcmbeC2.c1,2007,09 7:30:00,30 ,0.331154,81.86972,50.58245,22.45806
twpcmbeC2.c1,2007,09 8:30:00,30 ,0.755074,301.0367,214.6944,93.73085
twpcmbeC2.c1,2007,09 9:30:00,30 ,10.58405,528.3254, 397.026,  136.94
twpcmbeC2.c1,2007,0910:30:00,30 , 47.9762,  726.83,556.6879,141.5878
twpcmbeC2.c1,2007,0911:30:00,30 ,256.6871, 847.202,660.2647,157.4892
twpcmbeC2.c1,2007,0912:30:00,30 ,219.0256,914.3062,636.6365,191.9097
twpcmbeC2.c1,2007,0913:30:00,30 ,13.78754,903.2808,597.6011,233.8994
twpcmbeC2.c1,2007,0914:30:00,30 ,21.85922,766.8136,539.4324,187.8584
twpcmbeC2.c1,2007,0915:30:00,30 ,85.18237,639.1466,430.9356,167.6664
twpcmbeC2.c1,2007,0916:30:00,30 , 4.29805,419.0489,258.2866,115.2587
twpcmbeC2.c1,2007,0917:30:00,30 ,0.165627,227.7555,99.46286,63.89182
twpcmbeC2.c1,2007,0918:30:00,30 ,0.010138,32.06252,  11.077,9.727034
twpcmbeC2.c1,2007,0919:30:00,30 ,       0,0.011731, 0.00325,0.003331
twpcmbeC2.c1,2007,0920:30:00,30 ,       0, 0.03804,0.002038,   0.008
twpcmbeC2.c1,2007,0921:30:00,30 ,       0,  0.0357,0.001882,0.007425
twpcmbeC2.c1,2007,0922:30:00,30 ,       0,0.194703,0.014642, 0.04296
twpcmbeC2.c1,2007,0923:30:00,30 ,       0,0.189905,0.011992,0.045714