datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,03 0:30:00,25 ,       0,719.1716,50.40667,149.6216
sgpcmbeC1.c1,2004,03 1:30:00,24 ,       0,660.7997,60.46219,152.4314
sgpcmbeC1.c1,2004,03 2:30:00,25 ,       0,1543.287,114.5755, 332.494
sgpcmbeC1.c1,2004,03 3:30:00,24 ,       0,1275.617,76.40006,263.1416
sgpcmbeC1.c1,2004,03 4:30:00,24 ,       0,1705.413,110.9979,354.2733
sgpcmbeC1.c1,2004,03 5:30:00,25 ,       0,1764.759,165.8222,456.6232
sgpcmbeC1.c1,2004,03 6:30:00,24 ,       0,1028.703,83.44066,226.3688
sgpcmbeC1.c1,2004,03 7:30:00,23 ,       0, 839.469,59.61966,181.6817
sgpcmbeC1.c1,2004,03 8:30:00,24 ,       0, 1019.31,104.7537,239.7855
sgpcmbeC1.c1,2004,03 9:30:00,25 ,       0,732.0587,77.60429, 164.625
sgpcmbeC1.c1,2004,0310:30:00,25 ,       0, 639.371,78.65429,158.6276
sgpcmbeC1.c1,2004,0311:30:00,25 ,       0,481.0825,57.55877,117.6452
sgpcmbeC1.c1,2004,0312:30:00,25 ,       0,317.4671,35.62684,76.96581
sgpcmbeC1.c1,2004,0313:30:00,25 ,       0,560.8653,37.32388, 114.338
sgpcmbeC1.c1,2004,0314:30:00,25 ,       0, 396.006,45.27236,113.4993
sgpcmbeC1.c1,2004,0315:30:00,25 ,       0,410.8408,33.87237,93.53453
sgpcmbeC1.c1,2004,0316:30:00,26 ,       0,1581.809,93.79016,315.4546
sgpcmbeC1.c1,2004,0317:30:00,26 ,       0,987.2927,63.68635,198.1833
sgpcmbeC1.c1,2004,0318:30:00,26 ,       0,358.6933,37.01513,78.67763
sgpcmbeC1.c1,2004,0319:30:00,26 ,       0,443.6519,36.48068,90.44246
sgpcmbeC1.c1,2004,0320:30:00,26 ,       0,194.8373, 26.0951,54.59493
sgpcmbeC1.c1,2004,0321:30:00,25 ,       0,179.8353,20.20102,46.39772
sgpcmbeC1.c1,2004,0322:30:00,25 ,       0,423.9048,39.26103,102.6991
sgpcmbeC1.c1,2004,0323:30:00,25 ,       0,493.3277,35.09603,103.5852