datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,08 0:30:00,31 ,       0,0.519531,0.082542,0.161067
twpcmbeC1.c1,2006,08 1:30:00,30 ,       0,0.508023,0.073546,0.150588
twpcmbeC1.c1,2006,08 2:30:00,31 ,       0,0.423858,0.058673,0.127399
twpcmbeC1.c1,2006,08 3:30:00,31 ,       0,0.392757,0.037994,0.089887
twpcmbeC1.c1,2006,08 4:30:00,31 ,       0,0.253214,0.035014,0.070632
twpcmbeC1.c1,2006,08 5:30:00,31 ,       0,0.097444,0.003143,0.017502
twpcmbeC1.c1,2006,08 6:30:00,31 ,       0,30.93199,4.501714,7.993096
twpcmbeC1.c1,2006,08 7:30:00,31 , 0.02013,82.16163,23.23105,28.75597
twpcmbeC1.c1,2006,08 8:30:00,31 ,0.189322,164.3918,  47.678,54.88126
twpcmbeC1.c1,2006,08 9:30:00,31 ,0.271051,256.9072,84.35655,78.25608
twpcmbeC1.c1,2006,0810:30:00,31 ,0.203338,340.7896,151.1106,109.7435
twpcmbeC1.c1,2006,0811:30:00,31 ,0.134895, 317.039,123.6617,107.4678
twpcmbeC1.c1,2006,0812:30:00,31 ,0.577749,336.2923,122.3982,100.9205
twpcmbeC1.c1,2006,0813:30:00,31 ,0.147352,382.3769,139.6511,104.5459
twpcmbeC1.c1,2006,0814:30:00,31 ,0.271626,301.9701,134.0741,95.41077
twpcmbeC1.c1,2006,0815:30:00,31 ,       0,223.4854, 102.587,70.16783
twpcmbeC1.c1,2006,0816:30:00,31 ,0.069174,150.4637,57.54638,51.00175
twpcmbeC1.c1,2006,0817:30:00,31 ,0.008131,65.74908,  14.494,19.30882
twpcmbeC1.c1,2006,0818:30:00,31 ,       0,1.725893,0.163702,0.382122
twpcmbeC1.c1,2006,0819:30:00,31 ,       0,0.123124, 0.00712,0.027755
twpcmbeC1.c1,2006,0820:30:00,31 ,       0,0.182525,0.014396,0.045448
twpcmbeC1.c1,2006,0821:30:00,31 ,       0,  0.1826, 0.00589,0.032796
twpcmbeC1.c1,2006,0822:30:00,31 ,       0,0.332807,0.024245,0.081189
twpcmbeC1.c1,2006,0823:30:00,31 ,       0,0.495013,0.070093, 0.15233