datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,01 0:30:00,31 ,0.282146,7.552112,2.277976,1.681177
sgpcmbeC1.c1,2006,01 1:30:00,31 ,0.197744,4.257546,1.748439,1.212515
sgpcmbeC1.c1,2006,01 2:30:00,31 ,0.151159, 9.09761,2.084026, 1.63476
sgpcmbeC1.c1,2006,01 3:30:00,31 ,0.162669,6.974681,2.015231,1.579482
sgpcmbeC1.c1,2006,01 4:30:00,31 ,0.497968,4.602238, 1.86293,1.099273
sgpcmbeC1.c1,2006,01 5:30:00,31 ,0.192591,5.686697,1.840791,1.337477
sgpcmbeC1.c1,2006,01 6:30:00,31 ,   0.264,4.706842,1.779584,1.050587
sgpcmbeC1.c1,2006,01 7:30:00,31 ,0.336277,5.366328,1.921482, 1.29657
sgpcmbeC1.c1,2006,01 8:30:00,31 ,0.613112,9.484024,4.422624,2.392357
sgpcmbeC1.c1,2006,01 9:30:00,31 ,1.080296,13.23514,5.999602,3.429914
sgpcmbeC1.c1,2006,0110:30:00,31 ,0.430764,10.29322,5.321748,2.793444
sgpcmbeC1.c1,2006,0111:30:00,31 ,0.450876,11.72159,4.979747,2.431644
sgpcmbeC1.c1,2006,0112:30:00,31 ,0.390673,9.215281,3.634805,2.063653
sgpcmbeC1.c1,2006,0113:30:00,31 ,0.538745,  9.9178, 3.26229,2.223375
sgpcmbeC1.c1,2006,0114:30:00,31 ,0.582859,7.898725,3.069196,1.900291
sgpcmbeC1.c1,2006,0115:30:00,31 ,0.497642, 7.78024,3.240145,1.644963
sgpcmbeC1.c1,2006,0116:30:00,31 ,0.670248, 8.74299,4.810145,2.368616
sgpcmbeC1.c1,2006,0117:30:00,31 ,0.478196,12.23015,5.746931,3.381364
sgpcmbeC1.c1,2006,0118:30:00,31 ,0.801705, 6.17348, 2.58173,1.609345
sgpcmbeC1.c1,2006,0119:30:00,31 ,0.597928,7.242332,2.756349,1.837169
sgpcmbeC1.c1,2006,0120:30:00,31 ,0.926004,7.398548,2.939654,1.817234
sgpcmbeC1.c1,2006,0121:30:00,31 ,  0.5545,13.19694, 2.91465,2.732118
sgpcmbeC1.c1,2006,0122:30:00,31 ,0.567332,5.882798,2.061454,  1.5337
sgpcmbeC1.c1,2006,0123:30:00,31 ,0.368471,5.301465,1.853975,1.097343