datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,03 0:30:00,29 ,       0, 518.109,54.51214, 127.575
sgpcmbeC1.c1,2004,03 1:30:00,29 ,       0,418.0002,40.75772,104.0951
sgpcmbeC1.c1,2004,03 2:30:00,29 ,       0,388.8802,46.82872, 108.521
sgpcmbeC1.c1,2004,03 3:30:00,28 ,       0,368.6466,30.01874, 73.9361
sgpcmbeC1.c1,2004,03 4:30:00,28 ,       0,200.6684,32.05695,61.47331
sgpcmbeC1.c1,2004,03 5:30:00,29 ,       0, 278.027,35.79043,70.77706
sgpcmbeC1.c1,2004,03 6:30:00,29 ,       0,279.1067,37.09263,70.05701
sgpcmbeC1.c1,2004,03 7:30:00,28 ,       0,350.5887,38.07216,90.16792
sgpcmbeC1.c1,2004,03 8:30:00,29 ,       0,202.5091, 35.9582,64.68416
sgpcmbeC1.c1,2004,03 9:30:00,29 ,       0, 235.942,28.83942,55.62814
sgpcmbeC1.c1,2004,0310:30:00,29 ,       0,168.5867,25.26143,46.10897
sgpcmbeC1.c1,2004,0311:30:00,29 ,       0,489.6815,38.21954,95.68336
sgpcmbeC1.c1,2004,0312:30:00,29 ,       0,207.7626,25.41569, 51.2615
sgpcmbeC1.c1,2004,0313:30:00,29 ,       0,182.6863,21.15097,44.78623
sgpcmbeC1.c1,2004,0314:30:00,29 ,       0,201.3734,23.18011,47.69252
sgpcmbeC1.c1,2004,0315:30:00,29 ,       0,416.0698,25.56036,77.60252
sgpcmbeC1.c1,2004,0316:30:00,29 ,       0, 205.515,19.37955, 41.4268
sgpcmbeC1.c1,2004,0317:30:00,29 ,       0,76.86227,14.36234,24.97151
sgpcmbeC1.c1,2004,0318:30:00,29 ,       0,411.8864,30.30037,86.07064
sgpcmbeC1.c1,2004,0319:30:00,29 ,       0,215.7193,20.35777,44.65265
sgpcmbeC1.c1,2004,0320:30:00,29 ,       0,328.0397,26.13569,65.68831
sgpcmbeC1.c1,2004,0321:30:00,28 ,       0,356.3986,25.19395,73.01943
sgpcmbeC1.c1,2004,0322:30:00,29 ,       0,315.2087,26.39777, 62.7269
sgpcmbeC1.c1,2004,0323:30:00,29 ,       0,183.0195,23.44668,49.28336