datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,04 0:30:00,29 , 0.40282,3.425642,1.655965,0.722217
sgpcmbeC1.c1,2000,04 1:30:00,28 ,0.359095,3.498351,1.688089,0.759406
sgpcmbeC1.c1,2000,04 2:30:00,28 ,0.339216,3.159985,1.661795,0.697541
sgpcmbeC1.c1,2000,04 3:30:00,27 , 0.32882,3.417382,1.696067,0.743939
sgpcmbeC1.c1,2000,04 4:30:00,27 ,0.317099,3.145925,1.665509,0.693907
sgpcmbeC1.c1,2000,04 5:30:00,27 ,0.361517,3.232017,1.653499,0.703611
sgpcmbeC1.c1,2000,04 6:30:00,26 ,0.425984,3.299513,1.635001,0.653331
sgpcmbeC1.c1,2000,04 7:30:00,28 ,0.435342, 3.76295,1.672396,0.758857
sgpcmbeC1.c1,2000,04 8:30:00,29 ,0.458014,3.242598,1.619647,0.647803
sgpcmbeC1.c1,2000,04 9:30:00,29 ,0.487967,3.118419,1.621406,0.612564
sgpcmbeC1.c1,2000,0410:30:00,29 ,0.495243,3.195798,1.659079,0.662848
sgpcmbeC1.c1,2000,0411:30:00,29 ,0.505944,3.851059, 1.71154,0.754786
sgpcmbeC1.c1,2000,0412:30:00,30 ,0.539427,3.604736,1.677115,0.727992
sgpcmbeC1.c1,2000,0413:30:00,30 ,0.564257,3.622626,1.650213,0.658829
sgpcmbeC1.c1,2000,0414:30:00,29 ,0.608657,3.498921,1.590622,0.581606
sgpcmbeC1.c1,2000,0415:30:00,30 ,0.594973,3.891614,1.705623,0.695187
sgpcmbeC1.c1,2000,0416:30:00,30 ,0.622602,3.388415,1.727988,0.645983
sgpcmbeC1.c1,2000,0417:30:00,30 ,0.629339,3.135489, 1.72803,0.641801
sgpcmbeC1.c1,2000,0418:30:00,29 ,0.596966,3.047543,1.680006,  0.6309
sgpcmbeC1.c1,2000,0419:30:00,29 ,0.593265,3.236224,1.682815,0.671405
sgpcmbeC1.c1,2000,0420:30:00,28 ,0.566079,3.146985,1.698622,0.733034
sgpcmbeC1.c1,2000,0421:30:00,28 ,0.562076,3.313438,1.663357,0.695757
sgpcmbeC1.c1,2000,0422:30:00,28 ,0.543685,3.347899, 1.68415,0.700642
sgpcmbeC1.c1,2000,0423:30:00,29 ,0.475481,3.902627,1.702955,0.774071