datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,05 0:30:00,27 ,       0, 107.021,19.18189,28.19141
twpcmbeC2.c1,2004,05 1:30:00,27 ,       0,70.09221,14.63701,19.64084
twpcmbeC2.c1,2004,05 2:30:00,27 ,       0,85.17345,15.44217, 21.7569
twpcmbeC2.c1,2004,05 3:30:00,26 ,       0,66.72062,16.15107,19.21132
twpcmbeC2.c1,2004,05 4:30:00,25 ,       0,83.02036, 19.9981,22.57479
twpcmbeC2.c1,2004,05 5:30:00,25 ,       0,61.56419,14.95408,15.72151
twpcmbeC2.c1,2004,05 6:30:00,26 ,       0,79.49739,16.05252,18.42282
twpcmbeC2.c1,2004,05 7:30:00,26 ,       0,  91.852,24.25404,32.61612
twpcmbeC2.c1,2004,05 8:30:00,25 ,       0,79.73404,19.37076,22.72605
twpcmbeC2.c1,2004,05 9:30:00,25 ,       0,111.9552, 24.9894, 28.1775
twpcmbeC2.c1,2004,0510:30:00,27 ,0.577158,77.02934, 22.3923,21.08703
twpcmbeC2.c1,2004,0511:30:00,27 ,0.483264,60.51879,21.93412,18.53715
twpcmbeC2.c1,2004,0512:30:00,27 ,       0,89.95707,26.35312,26.00804
twpcmbeC2.c1,2004,0513:30:00,27 ,2.732059,115.1216,35.27219,29.45087
twpcmbeC2.c1,2004,0514:30:00,27 ,2.861354,91.28612,30.51703,24.74649
twpcmbeC2.c1,2004,0515:30:00,27 ,       0,88.94972,24.78461,21.88274
twpcmbeC2.c1,2004,0516:30:00,27 ,       0,80.34514,27.20481,24.35155
twpcmbeC2.c1,2004,0517:30:00,26 ,       0,64.94321,24.07402,21.85043
twpcmbeC2.c1,2004,0518:30:00,27 ,       0,86.02032,16.64794,19.57564
twpcmbeC2.c1,2004,0519:30:00,27 ,       0, 80.1641,19.01029,23.52567
twpcmbeC2.c1,2004,0520:30:00,26 ,       0,72.41467,14.85729,17.40816
twpcmbeC2.c1,2004,0521:30:00,25 ,       0,50.17332,11.73938,14.03032
twpcmbeC2.c1,2004,0522:30:00,25 ,       0,54.00806,16.21538,17.91804
twpcmbeC2.c1,2004,0523:30:00,26 ,       0,102.5832,14.30836,23.13721