datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,11 0:30:00,20 ,0.361295, 3.45942,1.830818,0.786634
sgpcmbeC1.c1,2001,11 1:30:00,20 ,0.369315,3.398545,1.856923,0.761229
sgpcmbeC1.c1,2001,11 2:30:00,19 ,  0.3524,2.783787,1.805065,0.679406
sgpcmbeC1.c1,2001,11 3:30:00,19 ,0.358367,2.801868,1.793858,0.674257
sgpcmbeC1.c1,2001,11 4:30:00,19 ,0.350196,2.937632,1.797711,0.716252
sgpcmbeC1.c1,2001,11 5:30:00,19 ,0.359048,2.841611,1.765863,0.681706
sgpcmbeC1.c1,2001,11 6:30:00,18 ,0.364892,2.901704, 1.80711, 0.69364
sgpcmbeC1.c1,2001,11 7:30:00,18 ,0.366117,2.880118,1.795046,0.701214
sgpcmbeC1.c1,2001,11 8:30:00,18 , 0.35753, 2.92608,1.771381, 0.71677
sgpcmbeC1.c1,2001,11 9:30:00,20 ,0.797087,2.862669,1.776287, 0.69183
sgpcmbeC1.c1,2001,1110:30:00,21 ,0.392647, 2.83338,1.669683,0.736474
sgpcmbeC1.c1,2001,1111:30:00,22 ,0.388167,2.894497,1.598101,0.722583
sgpcmbeC1.c1,2001,1112:30:00,22 ,0.396419, 2.88479,1.620838, 0.75542
sgpcmbeC1.c1,2001,1113:30:00,22 ,0.384733,2.855837,  1.6016,0.770043
sgpcmbeC1.c1,2001,1114:30:00,22 ,0.296324,2.973856,1.586895,0.785969
sgpcmbeC1.c1,2001,1115:30:00,22 ,0.281215,3.238354,1.630164,0.845766
sgpcmbeC1.c1,2001,1116:30:00,22 ,0.301633,3.103943,1.602005,0.784178
sgpcmbeC1.c1,2001,1117:30:00,22 ,0.288161,3.124088,1.624628,0.793119
sgpcmbeC1.c1,2001,1118:30:00,21 ,0.315546,3.216629,1.604144, 0.82032
sgpcmbeC1.c1,2001,1119:30:00,22 ,0.317013,3.356203, 1.66535,0.849735
sgpcmbeC1.c1,2001,1120:30:00,22 ,0.334162,3.321274,1.630009,0.805257
sgpcmbeC1.c1,2001,1121:30:00,22 ,0.347118,3.381396,  1.6168,0.787463
sgpcmbeC1.c1,2001,1122:30:00,22 , 0.36774, 3.46147, 1.63595,0.782221
sgpcmbeC1.c1,2001,1123:30:00,22 ,0.370882,3.484998, 1.66414,0.794704