datastream, year, month, tod,n, min, max, mean, std sgpcmbeC1.c1,1999,07 0:30:00,23 ,2.013484,4.673564,3.758198,0.767325 sgpcmbeC1.c1,1999,07 1:30:00,24 ,1.896189,6.116096,3.863588,0.907508 sgpcmbeC1.c1,1999,07 2:30:00,24 , 1.88431,5.552465,3.847154,0.888278 sgpcmbeC1.c1,1999,07 3:30:00,24 ,1.995619,5.244323,3.846722,0.860323 sgpcmbeC1.c1,1999,07 4:30:00,24 ,2.021653,5.290603,3.867072,0.899681 sgpcmbeC1.c1,1999,07 5:30:00,24 ,1.987708,5.526931,3.844726, 0.89784 sgpcmbeC1.c1,1999,07 6:30:00,24 , 2.07849,5.672556,3.844873,0.888434 sgpcmbeC1.c1,1999,07 7:30:00,25 ,2.070476,4.812225,3.684041,0.778083 sgpcmbeC1.c1,1999,07 8:30:00,28 ,2.046859,4.716786, 3.67121,0.733504 sgpcmbeC1.c1,1999,07 9:30:00,29 ,2.056466,5.009008,3.737624,0.740645 sgpcmbeC1.c1,1999,0710:30:00,29 ,2.105392,4.988619,3.739177,0.741516 sgpcmbeC1.c1,1999,0711:30:00,28 ,1.814434,4.841088,3.763021,0.747793 sgpcmbeC1.c1,1999,0712:30:00,26 , 2.0912,4.700382, 3.82508,0.734764 sgpcmbeC1.c1,1999,0713:30:00,26 ,2.139469,4.705078,3.832823,0.701263 sgpcmbeC1.c1,1999,0714:30:00,25 ,2.111658,4.964536,3.878713, 0.73506 sgpcmbeC1.c1,1999,0715:30:00,23 ,2.009544,4.936641,3.926624,0.766838 sgpcmbeC1.c1,1999,0716:30:00,23 ,1.991375,5.143756,3.974822,0.789284 sgpcmbeC1.c1,1999,0717:30:00,23 ,2.015513,5.252173, 4.00339,0.798832 sgpcmbeC1.c1,1999,0718:30:00,24 ,2.012401,5.418431,3.951308,0.835316 sgpcmbeC1.c1,1999,0719:30:00,24 ,1.960714,5.641385,3.933986,0.894199 sgpcmbeC1.c1,1999,0720:30:00,23 ,1.926573,5.489061,3.868638,0.875497 sgpcmbeC1.c1,1999,0721:30:00,23 ,1.986488,5.392657,3.850359,0.872298 sgpcmbeC1.c1,1999,0722:30:00,23 ,2.054808,5.266072,3.851167,0.830063 sgpcmbeC1.c1,1999,0723:30:00,23 ,2.091513,5.085705,3.810416,0.799501