datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,09 0:30:00,30 ,       0,0.403285,0.013443,0.073629
sgpcmbeC1.c1,2003,09 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2003,09 3:30:00,30 ,       0,0.305162, 0.01229,0.056516
sgpcmbeC1.c1,2003,09 4:30:00,29 ,       0,0.292555,0.015549,0.060844
sgpcmbeC1.c1,2003,09 5:30:00,29 ,       0,0.585503, 0.02019,0.108725
sgpcmbeC1.c1,2003,09 6:30:00,30 ,       0,29.27091,8.957304,9.804891
sgpcmbeC1.c1,2003,09 7:30:00,30 ,0.039776,185.2482,73.72552,68.70552
sgpcmbeC1.c1,2003,09 8:30:00,30 ,0.111486,389.7831, 174.324, 153.584
sgpcmbeC1.c1,2003,09 9:30:00,30 ,       0,575.4843,289.9187, 232.341
sgpcmbeC1.c1,2003,0910:30:00,30 ,0.202309,717.3652,358.0316,278.8304
sgpcmbeC1.c1,2003,0911:30:00,30 ,0.356533,803.3353,439.0503,318.0981
sgpcmbeC1.c1,2003,0912:30:00,30 ,       0,828.1288,448.1893,330.2258
sgpcmbeC1.c1,2003,0913:30:00,30 ,0.164349,795.6107,439.3489,300.3303
sgpcmbeC1.c1,2003,0914:30:00,30 ,0.028313,701.1769,377.8353,247.1506
sgpcmbeC1.c1,2003,0915:30:00,30 ,       0,568.3423,271.7356,215.8004
sgpcmbeC1.c1,2003,0916:30:00,30 ,0.001913,384.0116,172.7837,145.4258
sgpcmbeC1.c1,2003,0917:30:00,30 ,0.000108,189.7007,69.35518, 62.2451
sgpcmbeC1.c1,2003,0918:30:00,30 ,       0,31.64553,6.960919,9.587242
sgpcmbeC1.c1,2003,0919:30:00,30 ,       0,1.810858,0.153435,0.397827
sgpcmbeC1.c1,2003,0920:30:00,30 ,       0,1.849095,0.095529,0.352555
sgpcmbeC1.c1,2003,0921:30:00,30 ,       0, 1.63729,0.077302,0.307499
sgpcmbeC1.c1,2003,0922:30:00,30 ,       0,2.300069,0.163244,0.473984
sgpcmbeC1.c1,2003,0923:30:00,30 ,       0,1.105825,0.091762, 0.27663