datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,17 , 1.32584,3.800594, 2.61167,0.791219
sgpcmbeC1.c1,2001,05 1:30:00,17 ,1.194144,4.096483,2.644699,0.873772
sgpcmbeC1.c1,2001,05 2:30:00,17 ,1.190143, 3.83557,2.580684,0.835357
sgpcmbeC1.c1,2001,05 3:30:00,17 ,1.119846,3.786601,2.530315,0.786429
sgpcmbeC1.c1,2001,05 4:30:00,16 ,1.120659, 3.62162,2.506802,0.754259
sgpcmbeC1.c1,2001,05 5:30:00,16 ,1.203898,3.888451,2.510818,0.739325
sgpcmbeC1.c1,2001,05 6:30:00,16 ,1.238206,3.622341,2.521497,0.722384
sgpcmbeC1.c1,2001,05 7:30:00,15 ,1.234246,3.769655,2.538953,0.726067
sgpcmbeC1.c1,2001,05 8:30:00,18 ,1.240074,3.894962,2.679054, 0.73138
sgpcmbeC1.c1,2001,05 9:30:00,19 ,1.178407,3.854339, 2.64762,0.779244
sgpcmbeC1.c1,2001,0510:30:00,19 ,1.256317,3.911363,2.711875,0.782072
sgpcmbeC1.c1,2001,0511:30:00,19 , 1.29693,4.152661,2.767924,0.822917
sgpcmbeC1.c1,2001,0512:30:00,19 ,1.381598,3.873004,2.764803,0.761839
sgpcmbeC1.c1,2001,0513:30:00,19 ,1.410509,3.992064,2.771775,0.749066
sgpcmbeC1.c1,2001,0514:30:00,19 ,1.400344,3.863899,2.760473,0.759692
sgpcmbeC1.c1,2001,0515:30:00,19 ,1.396769,4.289548,2.801872,0.821573
sgpcmbeC1.c1,2001,0516:30:00,18 ,1.285835,4.177439,2.714248,0.763686
sgpcmbeC1.c1,2001,0517:30:00,18 ,1.277605,4.051118,2.718407,0.772631
sgpcmbeC1.c1,2001,0518:30:00,19 ,1.317733,5.219408,2.776408,0.946667
sgpcmbeC1.c1,2001,0519:30:00,17 ,  1.2223,3.867433,2.589981,0.756113
sgpcmbeC1.c1,2001,0520:30:00,17 ,1.303452,4.014843,2.589283,0.787834
sgpcmbeC1.c1,2001,0521:30:00,17 ,1.304945,4.232451,2.590021,0.811037
sgpcmbeC1.c1,2001,0522:30:00,17 ,1.332847,  4.1513,2.600289,0.815324
sgpcmbeC1.c1,2001,0523:30:00,17 ,1.389482, 3.88341,2.575568,0.748933