datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,11 0:30:00,26 ,       0,2.799218,1.232808,0.981356
sgpcmbeC1.c1,2003,11 1:30:00,28 ,       0,2.475981,1.120677,0.982788
sgpcmbeC1.c1,2003,11 2:30:00,27 ,       0,2.892077,0.951418,0.964201
sgpcmbeC1.c1,2003,11 3:30:00,28 ,       0,2.555008,0.815935,0.845703
sgpcmbeC1.c1,2003,11 4:30:00,28 ,       0,2.828286,0.854383, 0.89974
sgpcmbeC1.c1,2003,11 5:30:00,29 ,       0,2.606845,0.826027,0.888254
sgpcmbeC1.c1,2003,11 6:30:00,28 ,       0, 2.36282, 0.83429,0.838709
sgpcmbeC1.c1,2003,11 7:30:00,30 ,0.139711,22.29473,5.949154,7.768006
sgpcmbeC1.c1,2003,11 8:30:00,30 ,0.003864,156.1918,49.74396,63.59721
sgpcmbeC1.c1,2003,11 9:30:00,30 ,0.081223,314.5611,101.5994,132.0373
sgpcmbeC1.c1,2003,1110:30:00,30 ,0.116264,442.5189,153.1697,190.1717
sgpcmbeC1.c1,2003,1111:30:00,30 , 0.09668,516.7824,184.1474,222.6502
sgpcmbeC1.c1,2003,1112:30:00,30 ,0.026978,531.5808,226.3023,224.4532
sgpcmbeC1.c1,2003,1113:30:00,30 ,       0,488.3672,220.3247,209.3027
sgpcmbeC1.c1,2003,1114:30:00,30 ,0.000481,387.7432,175.5472,165.0556
sgpcmbeC1.c1,2003,1115:30:00,30 ,0.007322,246.8343,101.2796,108.2502
sgpcmbeC1.c1,2003,1116:30:00,30 ,       0, 85.4716,32.18755,33.46107
sgpcmbeC1.c1,2003,1117:30:00,30 ,0.101262,6.186467,1.469111,1.381514
sgpcmbeC1.c1,2003,1118:30:00,29 ,       0,3.308392, 1.01361,0.981113
sgpcmbeC1.c1,2003,1119:30:00,29 ,       0,2.651264,0.961895,0.926177
sgpcmbeC1.c1,2003,1120:30:00,29 ,       0,2.626449,1.094856,0.985815
sgpcmbeC1.c1,2003,1121:30:00,29 ,       0,2.767207,1.187893,0.989941
sgpcmbeC1.c1,2003,1122:30:00,28 ,       0,2.653895,1.230409,0.966319
sgpcmbeC1.c1,2003,1123:30:00,27 ,       0,2.621661,1.236875, 0.95021