datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2002,06 0:30:00,29 ,       0,0.548996,0.131074,0.196584
twpcmbeC1.c1,2002,06 1:30:00,29 ,       0, 0.56773,0.122121,0.185266
twpcmbeC1.c1,2002,06 2:30:00,30 ,       0,0.443003,0.069939,  0.1287
twpcmbeC1.c1,2002,06 3:30:00,30 ,       0,0.420628,0.063429,0.134731
twpcmbeC1.c1,2002,06 4:30:00,30 ,       0,0.250833,0.014183,0.049889
twpcmbeC1.c1,2002,06 5:30:00,30 ,       0,0.085206,0.004893,0.018349
twpcmbeC1.c1,2002,06 6:30:00,30 ,0.000078,29.21916,7.221425,10.80118
twpcmbeC1.c1,2002,06 7:30:00,30 ,0.075122,112.6223,35.88255,34.14084
twpcmbeC1.c1,2002,06 8:30:00,30 ,0.180639,181.6993,63.03556,56.18812
twpcmbeC1.c1,2002,06 9:30:00,30 ,0.246583,199.5761,63.89227,61.48259
twpcmbeC1.c1,2002,0610:30:00,30 ,0.030464, 280.633,  97.754,92.09576
twpcmbeC1.c1,2002,0611:30:00,30 ,0.214069,310.9044,98.12211,88.28337
twpcmbeC1.c1,2002,0612:30:00,30 , 0.18983,355.0053,  98.022,111.8904
twpcmbeC1.c1,2002,0613:30:00,30 ,0.441671,287.5981,91.72781,84.94145
twpcmbeC1.c1,2002,0614:30:00,30 ,0.305526,297.8993,80.00891, 82.6041
twpcmbeC1.c1,2002,0615:30:00,30 ,       0,186.4776,49.72323, 63.5588
twpcmbeC1.c1,2002,0616:30:00,30 ,       0,140.4834,28.34964,36.88355
twpcmbeC1.c1,2002,0617:30:00,30 ,       0,48.79566, 10.7493,15.19136
twpcmbeC1.c1,2002,0618:30:00,30 ,       0,0.128923,0.011489,0.023956
twpcmbeC1.c1,2002,0619:30:00,30 ,       0,0.208914,0.014349,0.046659
twpcmbeC1.c1,2002,0620:30:00,30 ,       0,0.462199,0.044167,0.109239
twpcmbeC1.c1,2002,0621:30:00,30 ,       0,0.480222,0.050365,0.118952
twpcmbeC1.c1,2002,0622:30:00,29 ,       0,0.495523,0.072351,0.135236
twpcmbeC1.c1,2002,0623:30:00,29 ,       0,0.511245, 0.05049,0.121628