datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,01 0:30:00,31 ,0.277209, 6.89114,1.791838,1.798149
sgpcmbeC1.c1,2005,01 1:30:00,31 ,0.307748,11.25705, 1.68701,2.587701
sgpcmbeC1.c1,2005,01 2:30:00,31 ,0.372621,28.20254,2.351631,5.248656
sgpcmbeC1.c1,2005,01 3:30:00,31 ,0.416615,18.80169,2.605721, 4.26327
sgpcmbeC1.c1,2005,01 4:30:00,31 ,0.373168, 29.4038,3.828212, 6.84848
sgpcmbeC1.c1,2005,01 5:30:00,31 ,0.433483, 35.8737, 4.48735,8.030353
sgpcmbeC1.c1,2005,01 6:30:00,31 ,0.434854, 23.8408,3.269968, 5.72255
sgpcmbeC1.c1,2005,01 7:30:00,31 ,0.403313,11.38571,2.502002,3.112947
sgpcmbeC1.c1,2005,01 8:30:00,31 ,0.484813,17.27061,2.826081, 3.80186
sgpcmbeC1.c1,2005,01 9:30:00,31 ,0.369013,25.49726,3.025982,4.549414
sgpcmbeC1.c1,2005,0110:30:00,31 ,0.387206,11.51328,2.226039,2.148991
sgpcmbeC1.c1,2005,0111:30:00,31 ,0.366746,20.12877,3.090362,3.953728
sgpcmbeC1.c1,2005,0112:30:00,31 ,0.443369,15.52155,3.475507,4.295333
sgpcmbeC1.c1,2005,0113:30:00,31 ,0.357167,13.69601,2.948562,3.340362
sgpcmbeC1.c1,2005,0114:30:00,31 ,0.452096,13.22118,2.984188,3.433712
sgpcmbeC1.c1,2005,0115:30:00,31 ,0.491207,17.38904,3.061837, 4.03064
sgpcmbeC1.c1,2005,0116:30:00,31 ,0.367094,16.23179,2.811984,3.543178
sgpcmbeC1.c1,2005,0117:30:00,31 ,0.333585,14.48733,2.416783,2.750489
sgpcmbeC1.c1,2005,0118:30:00,31 ,0.452187,16.81611,2.648005, 3.63504
sgpcmbeC1.c1,2005,0119:30:00,31 ,0.362346,23.97292, 3.75073,5.624494
sgpcmbeC1.c1,2005,0120:30:00,31 ,0.379189,26.37037,  3.2292,5.915283
sgpcmbeC1.c1,2005,0121:30:00,31 ,0.392126,9.247475,1.617708,1.769126
sgpcmbeC1.c1,2005,0122:30:00,31 ,0.391481,24.20211,2.510438,4.891699
sgpcmbeC1.c1,2005,0123:30:00,31 ,0.425236,12.53856,2.913629,3.617039