datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,04 0:30:00,28 ,0.485241, 2.72952,1.420195,0.596843
sgpcmbeC1.c1,1998,04 1:30:00,28 ,0.598717,3.006869,1.407773, 0.60287
sgpcmbeC1.c1,1998,04 2:30:00,28 ,0.594985,2.930354,1.370745,0.592395
sgpcmbeC1.c1,1998,04 3:30:00,27 ,0.559705,1.855561,1.235617,0.381173
sgpcmbeC1.c1,1998,04 4:30:00,27 ,0.561252,1.838912,1.207936,0.350303
sgpcmbeC1.c1,1998,04 5:30:00,27 ,0.499478,1.853416, 1.19019,0.352687
sgpcmbeC1.c1,1998,04 6:30:00,28 ,0.486729,2.926501,1.277037,0.501321
sgpcmbeC1.c1,1998,04 7:30:00,28 ,0.491636,2.798831,1.308488,0.496184
sgpcmbeC1.c1,1998,04 8:30:00,28 ,0.492711,2.545066,1.312015, 0.46688
sgpcmbeC1.c1,1998,04 9:30:00,28 ,0.485716,2.598505,1.319614,0.461722
sgpcmbeC1.c1,1998,0410:30:00,29 ,0.501828,3.595207,1.408717,0.610863
sgpcmbeC1.c1,1998,0411:30:00,27 ,0.500395, 2.19845,1.307282,0.435938
sgpcmbeC1.c1,1998,0412:30:00,27 ,0.559517,  2.1354,1.315212,0.427693
sgpcmbeC1.c1,1998,0413:30:00,28 ,0.492478,2.511448, 1.33625,0.447156
sgpcmbeC1.c1,1998,0414:30:00,28 ,0.532289,2.406312,1.337815,0.430386
sgpcmbeC1.c1,1998,0415:30:00,29 ,   0.601,4.256524,1.436785,0.681367
sgpcmbeC1.c1,1998,0416:30:00,29 ,0.608434, 3.83386,1.447512,0.634454
sgpcmbeC1.c1,1998,0417:30:00,28 ,0.749202,3.129847,1.500481,   0.571
sgpcmbeC1.c1,1998,0418:30:00,30 ,0.665785, 3.43195,1.564511,0.681441
sgpcmbeC1.c1,1998,0419:30:00,30 ,0.692912,2.896663,1.585628,0.668127
sgpcmbeC1.c1,1998,0420:30:00,28 ,0.756154,2.649045,1.448409,0.571443
sgpcmbeC1.c1,1998,0421:30:00,29 ,0.778686,2.850878,1.460186,0.593742
sgpcmbeC1.c1,1998,0422:30:00,28 ,0.619813, 2.68809,1.420968,0.565968
sgpcmbeC1.c1,1998,0423:30:00,28 ,0.521269,2.655173,1.434122, 0.56202