datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,05 0:30:00,30 ,1.095151,3.873167,2.601549,0.814259
sgpcmbeC1.c1,2004,05 1:30:00,30 ,1.128608,4.281501,2.571846,0.857289
sgpcmbeC1.c1,2004,05 2:30:00,31 ,1.126075,4.074142,2.537924, 0.84014
sgpcmbeC1.c1,2004,05 3:30:00,30 ,1.102461,4.009613,2.534311,0.865884
sgpcmbeC1.c1,2004,05 4:30:00,28 ,1.082316,3.887903,2.513185,0.877536
sgpcmbeC1.c1,2004,05 5:30:00,28 ,1.064329,4.102635,2.507128,0.886386
sgpcmbeC1.c1,2004,05 6:30:00,28 ,1.116579,4.126746, 2.45891,0.856729
sgpcmbeC1.c1,2004,05 7:30:00,31 , 1.10264,4.025646,2.455398,0.819237
sgpcmbeC1.c1,2004,05 8:30:00,31 ,1.089085,3.842521, 2.44226,0.797544
sgpcmbeC1.c1,2004,05 9:30:00,31 ,1.132272,3.710908,2.461646,0.765374
sgpcmbeC1.c1,2004,0510:30:00,31 ,1.135631,3.631741,2.478193,0.755232
sgpcmbeC1.c1,2004,0511:30:00,31 , 1.21479,3.638659,2.501282,0.756611
sgpcmbeC1.c1,2004,0512:30:00,31 ,1.216421,3.616307, 2.51072,0.764078
sgpcmbeC1.c1,2004,0513:30:00,31 ,1.251508,3.683078,2.510102,0.791443
sgpcmbeC1.c1,2004,0514:30:00,31 ,1.178727,3.916006,2.526281,0.822978
sgpcmbeC1.c1,2004,0515:30:00,31 ,1.182268,3.971558,2.602159,0.854782
sgpcmbeC1.c1,2004,0516:30:00,31 ,1.257201,4.008117,2.626593,0.845007
sgpcmbeC1.c1,2004,0517:30:00,31 ,1.242814,3.881325,2.642529,0.838466
sgpcmbeC1.c1,2004,0518:30:00,31 ,1.176399,4.413044,2.621692,0.846719
sgpcmbeC1.c1,2004,0519:30:00,31 ,1.105117,4.377005,2.585123,0.857242
sgpcmbeC1.c1,2004,0520:30:00,31 ,1.060916, 4.40789,2.576348,0.831444
sgpcmbeC1.c1,2004,0521:30:00,31 ,1.051647,4.314655,2.582134,0.821727
sgpcmbeC1.c1,2004,0522:30:00,31 ,1.063035,3.787354,2.613808,0.819952
sgpcmbeC1.c1,2004,0523:30:00,30 ,1.071673,3.747168,2.600429,0.845741