datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,06 0:30:00,28 ,0.927935,90.92704,20.62916,23.43254
twpcmbeC2.c1,2005,06 1:30:00,28 , 1.23132,84.65372,18.77092,19.81823
twpcmbeC2.c1,2005,06 2:30:00,28 ,1.060345,91.31647,21.40668, 19.7221
twpcmbeC2.c1,2005,06 3:30:00,28 ,       0,79.22733,21.53429,20.67829
twpcmbeC2.c1,2005,06 4:30:00,28 ,0.115692,38.94363,12.36523,10.70683
twpcmbeC2.c1,2005,06 5:30:00,28 , 0.34489,49.33705,10.49259, 11.5577
twpcmbeC2.c1,2005,06 6:30:00,28 ,1.479216,35.59639,11.30668,  10.375
twpcmbeC2.c1,2005,06 7:30:00,28 ,0.007954,46.08245,12.67091,12.45782
twpcmbeC2.c1,2005,06 8:30:00,29 ,0.942309,44.19641,11.37719,10.69663
twpcmbeC2.c1,2005,06 9:30:00,29 ,1.332842,69.32275,13.20981,15.60834
twpcmbeC2.c1,2005,0610:30:00,29 ,0.720607,98.67325,23.44341,22.88077
twpcmbeC2.c1,2005,0611:30:00,29 ,       0,107.7115,18.60875,21.87295
twpcmbeC2.c1,2005,0612:30:00,29 ,       0,133.1078,28.85341,30.02044
twpcmbeC2.c1,2005,0613:30:00,30 ,       0,167.5654,29.74749,33.38019
twpcmbeC2.c1,2005,0614:30:00,28 ,       0,178.1089,34.16633,41.71528
twpcmbeC2.c1,2005,0615:30:00,29 ,       0,180.2039,25.80772,40.75853
twpcmbeC2.c1,2005,0616:30:00,28 ,       0,79.13294,19.76658,21.96616
twpcmbeC2.c1,2005,0617:30:00,28 ,       0,84.59737,21.65948,21.71781
twpcmbeC2.c1,2005,0618:30:00,29 ,       0,40.71568,9.639645,9.916681
twpcmbeC2.c1,2005,0619:30:00,28 ,       0,69.28781, 14.1246,17.43506
twpcmbeC2.c1,2005,0620:30:00,28 ,0.318291,60.28504,14.50891,16.21002
twpcmbeC2.c1,2005,0621:30:00,28 ,0.218373,99.85942,15.54987,21.12009
twpcmbeC2.c1,2005,0622:30:00,28 ,1.320151,67.41257,11.18004,14.40589
twpcmbeC2.c1,2005,0623:30:00,28 ,1.481054,107.8881,18.48911,22.60925