datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,03 0:30:00,29 ,0.662413,3.621662,1.656144, 0.92974
sgpcmbeC1.c1,2004,03 1:30:00,29 ,0.658359,4.484926,1.669333,1.047656
sgpcmbeC1.c1,2004,03 2:30:00,29 ,0.647912,3.887766,1.668246, 1.01685
sgpcmbeC1.c1,2004,03 3:30:00,28 ,0.683336,  3.8254, 1.62519,0.935586
sgpcmbeC1.c1,2004,03 4:30:00,28 ,0.643051,4.055101,1.648135,0.942013
sgpcmbeC1.c1,2004,03 5:30:00,29 ,0.577603, 4.49711,1.740706,1.049047
sgpcmbeC1.c1,2004,03 6:30:00,29 ,0.447824,4.342189,1.755752,1.071484
sgpcmbeC1.c1,2004,03 7:30:00,28 ,0.446387,3.688839, 1.66522,0.954534
sgpcmbeC1.c1,2004,03 8:30:00,29 ,0.436715,3.923244, 1.72764,1.014504
sgpcmbeC1.c1,2004,03 9:30:00,29 ,0.447709,3.431127,1.623848,0.922842
sgpcmbeC1.c1,2004,0310:30:00,29 ,0.476279,3.514266,1.614462,0.891985
sgpcmbeC1.c1,2004,0311:30:00,29 ,0.504951,3.625149,1.601573,  0.8541
sgpcmbeC1.c1,2004,0312:30:00,29 ,0.509491,3.315278,1.580759, 0.78198
sgpcmbeC1.c1,2004,0313:30:00,29 ,0.547982,3.343921,1.586373,0.768381
sgpcmbeC1.c1,2004,0314:30:00,29 ,0.604963,3.419447,1.643543, 0.80842
sgpcmbeC1.c1,2004,0315:30:00,29 , 0.58479,3.463238,1.625694,0.769194
sgpcmbeC1.c1,2004,0316:30:00,29 ,0.584496,3.470538,1.655469,0.768402
sgpcmbeC1.c1,2004,0317:30:00,29 ,0.610073,3.486389,1.667743,0.782106
sgpcmbeC1.c1,2004,0318:30:00,29 ,0.592476,3.375364, 1.66555,0.769115
sgpcmbeC1.c1,2004,0319:30:00,29 ,0.613697,3.287706,1.682867,0.790217
sgpcmbeC1.c1,2004,0320:30:00,29 ,0.617711,3.400513,1.698117,0.847584
sgpcmbeC1.c1,2004,0321:30:00,28 ,0.632152,3.525099,1.673757,0.878985
sgpcmbeC1.c1,2004,0322:30:00,29 ,0.641041,3.659005,1.672024,0.893521
sgpcmbeC1.c1,2004,0323:30:00,29 ,0.630842,3.695862,1.647468,0.897287