datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,03 0:30:00,27 ,0.522629,3.494011,1.691873,0.885552
sgpcmbeC1.c1,2007,03 1:30:00,27 ,0.473621,5.918829,1.692823,1.404711
sgpcmbeC1.c1,2007,03 2:30:00,27 ,0.421769,5.150711,1.753354,1.260981
sgpcmbeC1.c1,2007,03 3:30:00,27 ,0.378215,3.316005,1.431848,0.777772
sgpcmbeC1.c1,2007,03 4:30:00,27 ,0.349749,6.646664,1.754618,1.431797
sgpcmbeC1.c1,2007,03 5:30:00,27 ,0.338106,3.253362,1.211187,0.763224
sgpcmbeC1.c1,2007,03 6:30:00,27 ,0.253109,4.453566,1.524917, 0.92266
sgpcmbeC1.c1,2007,03 7:30:00,27 ,0.360644,7.762206,3.724425,2.382602
sgpcmbeC1.c1,2007,03 8:30:00,26 ,0.543743,17.26675,5.298433,4.174336
sgpcmbeC1.c1,2007,03 9:30:00,28 ,0.366873,12.59583,5.784965,  3.1612
sgpcmbeC1.c1,2007,0310:30:00,28 ,1.056597,14.66247, 6.45958,3.648301
sgpcmbeC1.c1,2007,0311:30:00,28 ,0.440429,11.28092,5.780427,2.707339
sgpcmbeC1.c1,2007,0312:30:00,28 ,1.100092,14.80055,4.986379,2.804982
sgpcmbeC1.c1,2007,0313:30:00,28 ,0.289585,12.23446,4.730615,2.558225
sgpcmbeC1.c1,2007,0314:30:00,28 ,0.522415,12.46153,5.088175,2.733009
sgpcmbeC1.c1,2007,0315:30:00,29 ,0.291243,12.72257,5.552359,2.980879
sgpcmbeC1.c1,2007,0316:30:00,29 , 0.56186,10.13601,4.841932,2.572093
sgpcmbeC1.c1,2007,0317:30:00,29 ,0.773801, 14.4227,5.331859,3.177812
sgpcmbeC1.c1,2007,0318:30:00,29 ,1.104796,9.520725,4.913513,2.534262
sgpcmbeC1.c1,2007,0319:30:00,29 ,0.559519,5.545702,1.919378,1.233956
sgpcmbeC1.c1,2007,0320:30:00,29 ,0.527708,6.297273,2.126884, 1.35787
sgpcmbeC1.c1,2007,0321:30:00,28 , 0.43675,5.008567,1.841768,1.258857
sgpcmbeC1.c1,2007,0322:30:00,28 ,0.281376,2.762583,1.442481,0.744681
sgpcmbeC1.c1,2007,0323:30:00,28 ,0.392383,3.492691,1.505153,0.924592