datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2006,02 0:30:00,28 ,       0,0.692933, 0.05103,0.148702
twpcmbeC2.c1,2006,02 1:30:00,28 ,       0,0.444105,0.060376,0.130181
twpcmbeC2.c1,2006,02 2:30:00,28 ,       0,0.615981,0.068961,0.164774
twpcmbeC2.c1,2006,02 3:30:00,28 ,       0,0.606711,0.054083,0.157426
twpcmbeC2.c1,2006,02 4:30:00,28 ,       0,0.439411,0.043678,0.113879
twpcmbeC2.c1,2006,02 5:30:00,28 ,       0,0.375584,0.013414,0.070979
twpcmbeC2.c1,2006,02 6:30:00,28 ,0.136245,1.343808,0.543545,0.307001
twpcmbeC2.c1,2006,02 7:30:00,28 ,12.64921,54.55266,33.22079,10.16714
twpcmbeC2.c1,2006,02 8:30:00,28 ,27.74848,128.5482,71.53312,29.67233
twpcmbeC2.c1,2006,02 9:30:00,28 ,22.40565,186.9604,105.1207,36.90912
twpcmbeC2.c1,2006,0210:30:00,28 ,25.96004,268.0002, 137.571,63.94254
twpcmbeC2.c1,2006,0211:30:00,28 ,71.21956,280.6365,155.6221,48.93606
twpcmbeC2.c1,2006,0212:30:00,28 ,13.39298,292.3067,167.6346,71.76654
twpcmbeC2.c1,2006,0213:30:00,28 ,9.454679,342.2867,171.0369,84.33105
twpcmbeC2.c1,2006,0214:30:00,28 , 32.6399, 286.526,141.8794,71.05988
twpcmbeC2.c1,2006,0215:30:00,28 ,50.98428,274.8289,150.7357,69.67456
twpcmbeC2.c1,2006,0216:30:00,28 ,19.56232,221.3374,107.1881,58.96518
twpcmbeC2.c1,2006,0217:30:00,28 ,9.378633,141.3767,84.22058,35.91788
twpcmbeC2.c1,2006,0218:30:00,28 ,16.87448,94.52529,46.81142,21.83374
twpcmbeC2.c1,2006,0219:30:00,28 ,0.733709,5.485777,2.868858,0.987803
twpcmbeC2.c1,2006,0220:30:00,28 ,       0,0.277377,0.030902,0.079988
twpcmbeC2.c1,2006,0221:30:00,28 ,       0, 0.44759,0.054854,0.126405
twpcmbeC2.c1,2006,0222:30:00,28 ,       0,0.468845,0.044307,0.126066
twpcmbeC2.c1,2006,0223:30:00,28 ,       0,0.558568,0.065339,0.158914