datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,08 0:30:00,29 ,1.916023, 5.43191,3.763461,0.830228
sgpcmbeC1.c1,1997,08 1:30:00,29 ,1.931573,5.461659,3.789973,0.824905
sgpcmbeC1.c1,1997,08 2:30:00,28 , 2.05144,5.418463,3.813873,0.837056
sgpcmbeC1.c1,1997,08 3:30:00,28 , 2.09611,5.394617,3.884602,0.891908
sgpcmbeC1.c1,1997,08 4:30:00,29 ,2.130002, 5.80768,3.944854,0.961678
sgpcmbeC1.c1,1997,08 5:30:00,30 ,2.181475,5.608791,3.981315,0.941716
sgpcmbeC1.c1,1997,08 6:30:00,28 ,2.257279,5.271935,3.861541,0.847258
sgpcmbeC1.c1,1997,08 7:30:00,30 ,2.352978,5.900496,3.954956,0.962462
sgpcmbeC1.c1,1997,08 8:30:00,30 ,2.345269, 5.54437,3.876868,0.897967
sgpcmbeC1.c1,1997,08 9:30:00,28 ,2.275579,5.414957,3.814136,0.866742
sgpcmbeC1.c1,1997,0810:30:00,28 ,2.166272,5.692587,3.830075,0.895547
sgpcmbeC1.c1,1997,0811:30:00,29 , 2.13414, 5.50702,3.821776,0.852369
sgpcmbeC1.c1,1997,0812:30:00,29 ,2.130558,5.735884,3.868334,0.869581
sgpcmbeC1.c1,1997,0813:30:00,29 ,2.231119, 5.74023,3.870445,0.847873
sgpcmbeC1.c1,1997,0814:30:00,29 ,2.193881,5.660511, 3.85098,0.836931
sgpcmbeC1.c1,1997,0815:30:00,28 ,2.195101,5.579722,3.859892,0.860927
sgpcmbeC1.c1,1997,0816:30:00,28 , 2.13247,5.761265,3.890185,0.881064
sgpcmbeC1.c1,1997,0817:30:00,29 ,2.104904,5.577807,3.923573, 0.86781
sgpcmbeC1.c1,1997,0818:30:00,28 ,2.174928,5.229984,3.846009,0.808822
sgpcmbeC1.c1,1997,0819:30:00,29 ,2.306652,5.374631,3.867866,0.824983
sgpcmbeC1.c1,1997,0820:30:00,29 ,2.169293,5.091145,3.826311, 0.80182
sgpcmbeC1.c1,1997,0821:30:00,29 ,2.147124,  4.9697, 3.80433, 0.79646
sgpcmbeC1.c1,1997,0822:30:00,29 ,2.062141, 5.14693,3.821012, 0.83767
sgpcmbeC1.c1,1997,0823:30:00,29 , 1.93139, 5.51684,3.863973,0.886464