datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,06 0:30:00,28 ,       0,0.363907,  0.0266,0.082894
twpcmbeC2.c1,2005,06 1:30:00,29 ,       0,0.425278,0.030996,0.097682
twpcmbeC2.c1,2005,06 2:30:00,30 ,       0,0.474999,0.033672,0.100178
twpcmbeC2.c1,2005,06 3:30:00,30 ,       0,0.523287,0.039164,0.117153
twpcmbeC2.c1,2005,06 4:30:00,30 ,       0,0.348173,0.025712,0.081182
twpcmbeC2.c1,2005,06 5:30:00,30 ,       0,  0.0821,0.005179,0.019743
twpcmbeC2.c1,2005,06 6:30:00,30 , 1.16434,4.490692,2.702894,0.695233
twpcmbeC2.c1,2005,06 7:30:00,30 ,13.58789,83.07848,52.89371,20.27705
twpcmbeC2.c1,2005,06 8:30:00,30 , 22.9628,151.1665,85.59742,34.57221
twpcmbeC2.c1,2005,06 9:30:00,30 ,  11.804,173.5734,106.1288,39.41415
twpcmbeC2.c1,2005,0610:30:00,30 ,37.71281,278.4982,154.7057,61.94353
twpcmbeC2.c1,2005,0611:30:00,30 ,25.16288,384.2432,185.9337,95.44379
twpcmbeC2.c1,2005,0612:30:00,30 ,9.051497,302.7268,168.9291,93.44922
twpcmbeC2.c1,2005,0613:30:00,30 , 14.3477,400.1028,184.1832,105.3607
twpcmbeC2.c1,2005,0614:30:00,30 ,28.86774,309.9627,143.8331,92.36824
twpcmbeC2.c1,2005,0615:30:00,30 ,3.891357,317.1878,118.4664,85.88842
twpcmbeC2.c1,2005,0616:30:00,30 ,14.53136,211.0584,97.33801,59.28694
twpcmbeC2.c1,2005,0617:30:00,30 ,9.955586,122.2199,71.15354,33.37409
twpcmbeC2.c1,2005,0618:30:00,30 ,12.50539,79.79283,35.25435,15.42629
twpcmbeC2.c1,2005,0619:30:00,30 ,       0,1.956312,0.501809,0.419622
twpcmbeC2.c1,2005,0620:30:00,30 ,       0,0.083548,0.007758,0.023785
twpcmbeC2.c1,2005,0621:30:00,30 ,       0,0.298839,0.013049,0.056561
twpcmbeC2.c1,2005,0622:30:00,30 ,       0,0.430018,0.043351,0.116188
twpcmbeC2.c1,2005,0623:30:00,30 ,       0,0.468716,0.019163,0.087089