datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,02 0:30:00,28 ,0.438392,24.36825,3.568641,5.842261
sgpcmbeC1.c1,2006,02 1:30:00,28 ,0.424709,22.55384, 2.95466,4.383233
sgpcmbeC1.c1,2006,02 2:30:00,28 ,0.432421,20.59228,4.164929,4.787749
sgpcmbeC1.c1,2006,02 3:30:00,28 ,0.387754, 14.0165,3.086341,3.319457
sgpcmbeC1.c1,2006,02 4:30:00,28 ,0.351546, 14.3608,2.876288,3.187647
sgpcmbeC1.c1,2006,02 5:30:00,28 ,0.404537,20.24706,3.981781, 5.75116
sgpcmbeC1.c1,2006,02 6:30:00,28 , 0.35253,32.93096,5.434741,7.686033
sgpcmbeC1.c1,2006,02 7:30:00,28 ,0.521019,37.07185,5.953861,7.775543
sgpcmbeC1.c1,2006,02 8:30:00,28 ,0.904737,17.04562,4.526657,4.124544
sgpcmbeC1.c1,2006,02 9:30:00,28 ,0.449426,14.33882,4.690276,4.018669
sgpcmbeC1.c1,2006,0210:30:00,28 ,0.712456,24.88127,5.369235, 6.22308
sgpcmbeC1.c1,2006,0211:30:00,28 ,0.641419,26.03423,4.369565,5.814744
sgpcmbeC1.c1,2006,0212:30:00,28 ,0.805922,24.31934, 3.84795, 5.53773
sgpcmbeC1.c1,2006,0213:30:00,27 ,0.672078,12.97028,3.513268,3.233128
sgpcmbeC1.c1,2006,0214:30:00,28 ,0.502222,15.71427,3.597719,4.063171
sgpcmbeC1.c1,2006,0215:30:00,28 ,0.617348,11.37983,2.575337,3.002265
sgpcmbeC1.c1,2006,0216:30:00,28 ,0.597584,17.23659,2.738692,3.370584
sgpcmbeC1.c1,2006,0217:30:00,28 ,0.338887,17.92114,4.136028,4.944548
sgpcmbeC1.c1,2006,0218:30:00,28 , 0.36062,22.67781, 4.39634,5.148263
sgpcmbeC1.c1,2006,0219:30:00,28 ,0.546285,14.72021,3.571349,3.970155
sgpcmbeC1.c1,2006,0220:30:00,28 ,0.495823,26.35083,4.306851,6.097135
sgpcmbeC1.c1,2006,0221:30:00,28 ,0.588169,21.95854,3.712631,4.984728
sgpcmbeC1.c1,2006,0222:30:00,28 ,0.352507,26.39329,2.859721,4.932492
sgpcmbeC1.c1,2006,0223:30:00,28 ,0.472268,10.61967,2.389211,2.590509