datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,03 0:30:00,30 ,       0,542.8625,43.35619,115.7224
sgpcmbeC1.c1,2003,03 1:30:00,30 ,       0,254.2641,23.29516,54.12643
sgpcmbeC1.c1,2003,03 2:30:00,30 ,       0,214.1353,23.35911,53.14731
sgpcmbeC1.c1,2003,03 3:30:00,30 ,       0,158.8525, 21.8361,44.35813
sgpcmbeC1.c1,2003,03 4:30:00,30 ,       0,642.4415,47.03516,123.4709
sgpcmbeC1.c1,2003,03 5:30:00,30 ,       0,398.4638,48.56093,86.89202
sgpcmbeC1.c1,2003,03 6:30:00,30 ,       0,429.2125,78.05867,126.1513
sgpcmbeC1.c1,2003,03 7:30:00,29 ,       0, 340.949, 53.9564,90.30247
sgpcmbeC1.c1,2003,03 8:30:00,30 ,       0,574.5803,69.07608, 142.925
sgpcmbeC1.c1,2003,03 9:30:00,31 ,       0, 975.229,86.96369,205.8128
sgpcmbeC1.c1,2003,0310:30:00,31 ,       0,519.2142,67.65673,133.3674
sgpcmbeC1.c1,2003,0311:30:00,31 ,       0,1188.869,85.34237, 224.705
sgpcmbeC1.c1,2003,0312:30:00,30 ,       0,866.2378,58.13396, 165.885
sgpcmbeC1.c1,2003,0313:30:00,30 ,       0,1077.902, 58.1575,197.0109
sgpcmbeC1.c1,2003,0314:30:00,30 ,       0,943.2444,  56.355,175.5692
sgpcmbeC1.c1,2003,0315:30:00,30 , 0.00268,1852.307,81.52531,337.4082
sgpcmbeC1.c1,2003,0316:30:00,30 ,       0,863.2438,48.61128,159.7634
sgpcmbeC1.c1,2003,0317:30:00,31 ,0.017003,1004.082,78.13525,225.4788
sgpcmbeC1.c1,2003,0318:30:00,31 ,0.195458,1496.351,89.49427,282.5944
sgpcmbeC1.c1,2003,0319:30:00,30 ,0.029841, 952.026,76.60771,205.7323
sgpcmbeC1.c1,2003,0320:30:00,29 ,0.008074,1453.972,80.60731, 280.412
sgpcmbeC1.c1,2003,0321:30:00,29 ,       0,1399.973,66.77552,265.2578
sgpcmbeC1.c1,2003,0322:30:00,30 ,       0, 1156.72, 78.7239,242.7355
sgpcmbeC1.c1,2003,0323:30:00,30 ,       0,1138.514, 62.7434,216.4389