datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,01 0:30:00,25 ,       0,1.067006,0.047776, 0.21386
sgpcmbeC1.c1,2003,01 1:30:00,26 ,       0,0.282719,0.017773, 0.06316
sgpcmbeC1.c1,2003,01 2:30:00,21 ,       0, 0.68805, 0.08101,0.182944
sgpcmbeC1.c1,2003,01 3:30:00,27 ,       0,0.210566,0.012649,0.046642
sgpcmbeC1.c1,2003,01 4:30:00,26 ,       0,0.702372,0.054192,0.167683
sgpcmbeC1.c1,2003,01 5:30:00,30 ,       0,0.191595,0.008777,0.036925
sgpcmbeC1.c1,2003,01 6:30:00,31 ,       0,0.430021,0.018184,0.080112
sgpcmbeC1.c1,2003,01 7:30:00,31 ,0.234502,5.466355,1.152045,1.039928
sgpcmbeC1.c1,2003,01 8:30:00,31 ,0.051592,114.3698,46.65257,34.26815
sgpcmbeC1.c1,2003,01 9:30:00,31 ,0.267628,288.5844,139.3325,103.5694
sgpcmbeC1.c1,2003,0110:30:00,31 ,0.326614,439.2645,237.9954,165.3125
sgpcmbeC1.c1,2003,0111:30:00,31 ,0.371429,542.7375, 291.129,203.0288
sgpcmbeC1.c1,2003,0112:30:00,31 ,0.749527,590.1498,293.8322,236.8409
sgpcmbeC1.c1,2003,0113:30:00,31 ,0.761322,572.4193,320.6446,209.0063
sgpcmbeC1.c1,2003,0114:30:00,31 ,0.372574,491.1652,271.0314,178.1228
sgpcmbeC1.c1,2003,0115:30:00,31 ,0.011452,333.3529, 183.692,127.8653
sgpcmbeC1.c1,2003,0116:30:00,31 ,0.044937,169.9723,79.34802,57.30333
sgpcmbeC1.c1,2003,0117:30:00,31 ,0.225618,26.70176,7.036398,7.496435
sgpcmbeC1.c1,2003,0118:30:00,31 ,       0,1.916426,0.400221,0.525024
sgpcmbeC1.c1,2003,0119:30:00,30 ,       0,0.563235,0.066645,0.140732
sgpcmbeC1.c1,2003,0120:30:00,27 ,       0,1.028293,0.080318,0.261722
sgpcmbeC1.c1,2003,0121:30:00,27 ,       0, 2.58289, 0.14264,0.515483
sgpcmbeC1.c1,2003,0122:30:00,24 ,       0,0.901875,0.122621,0.254177
sgpcmbeC1.c1,2003,0123:30:00,24 ,       0,1.583772,0.076213,0.322722