datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,07 0:30:00,31 ,0.472225,2.781606,1.804437,0.521822
sgpcmbeC1.c1,2005,07 1:30:00,31 ,0.260883,  2.4744,1.791542,0.491172
sgpcmbeC1.c1,2005,07 2:30:00,31 ,0.272257,2.526157,1.700816,0.521889
sgpcmbeC1.c1,2005,07 3:30:00,31 ,0.488055,2.501892,1.694586,0.493715
sgpcmbeC1.c1,2005,07 4:30:00,31 ,0.404154,2.578628, 1.72958,0.473143
sgpcmbeC1.c1,2005,07 5:30:00,31 ,0.800551,22.97986,13.08639,5.258068
sgpcmbeC1.c1,2005,07 6:30:00,31 ,7.740292,166.5123,111.9111, 36.1339
sgpcmbeC1.c1,2005,07 7:30:00,31 ,97.03928,370.1964,281.8114,72.09875
sgpcmbeC1.c1,2005,07 8:30:00,31 ,280.5587,551.0228,474.3487,79.59904
sgpcmbeC1.c1,2005,07 9:30:00,31 ,330.4941,738.7311,657.4246,102.3991
sgpcmbeC1.c1,2005,0710:30:00,31 ,302.2605,881.9228,767.4113,141.4788
sgpcmbeC1.c1,2005,0711:30:00,31 , 215.547,976.4236, 873.502,142.3288
sgpcmbeC1.c1,2005,0712:30:00,31 ,281.3537,1011.811,898.1175,137.4833
sgpcmbeC1.c1,2005,0713:30:00,31 ,270.7894,987.3994,873.4825,132.8492
sgpcmbeC1.c1,2005,0714:30:00,31 ,134.1716,918.3387,780.2921,162.6441
sgpcmbeC1.c1,2005,0715:30:00,31 ,96.61449,770.1492,636.4007,175.6703
sgpcmbeC1.c1,2005,0716:30:00,31 ,41.76378,601.1175,474.6593,162.8555
sgpcmbeC1.c1,2005,0717:30:00,31 ,18.15988,406.3228,313.3485,106.9876
sgpcmbeC1.c1,2005,0718:30:00,31 ,21.57986,208.3462,150.2237,51.53057
sgpcmbeC1.c1,2005,0719:30:00,31 ,2.884912,57.13136,29.30605,12.57721
sgpcmbeC1.c1,2005,0720:30:00,31 ,0.458095,2.528783,1.730568,0.460582
sgpcmbeC1.c1,2005,0721:30:00,31 ,0.740143,2.458907,1.741986,0.490062
sgpcmbeC1.c1,2005,0722:30:00,31 ,0.708472,2.576363, 1.81359, 0.44965
sgpcmbeC1.c1,2005,0723:30:00,31 ,0.588991,2.552116, 1.82876,0.487338