datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,30 ,0.406701,11.81494,2.946828,2.844117
sgpcmbeC1.c1,2001,06 1:30:00,30 ,0.407251, 13.3976,2.859271,3.363135
sgpcmbeC1.c1,2001,06 2:30:00,30 ,0.566403,17.12817,2.598033,3.597443
sgpcmbeC1.c1,2001,06 3:30:00,30 ,0.437185,10.21325,  2.6934, 2.63722
sgpcmbeC1.c1,2001,06 4:30:00,30 ,0.481557,18.21663,3.934222,4.567377
sgpcmbeC1.c1,2001,06 5:30:00,30 ,0.407168,18.73052,3.576643,4.206021
sgpcmbeC1.c1,2001,06 6:30:00,30 ,0.651771,21.56255,5.671681,5.892898
sgpcmbeC1.c1,2001,06 7:30:00,30 ,1.447893,15.27422,4.378699,3.056626
sgpcmbeC1.c1,2001,06 8:30:00,30 ,1.248678,12.55034,4.275543, 3.02717
sgpcmbeC1.c1,2001,06 9:30:00,30 ,0.610816,18.03553,4.408492,3.646075
sgpcmbeC1.c1,2001,0610:30:00,30 ,1.449991,9.758483,4.520555, 2.48329
sgpcmbeC1.c1,2001,0611:30:00,30 , 1.21594, 9.50545,4.119866,2.506919
sgpcmbeC1.c1,2001,0612:30:00,30 ,1.136644,13.29619,4.189659,3.222893
sgpcmbeC1.c1,2001,0613:30:00,30 , 0.96156,11.84662,3.939098,  3.1373
sgpcmbeC1.c1,2001,0614:30:00,30 ,0.901819,8.836247, 2.75065,2.115649
sgpcmbeC1.c1,2001,0615:30:00,30 ,0.725599,11.50558,2.983728,2.471374
sgpcmbeC1.c1,2001,0616:30:00,30 ,0.755969, 9.89572,2.364536,  2.1587
sgpcmbeC1.c1,2001,0617:30:00,30 ,0.770191,12.76971,2.471443,2.362927
sgpcmbeC1.c1,2001,0618:30:00,30 , 0.87654,7.280969,2.435601,1.410475
sgpcmbeC1.c1,2001,0619:30:00,30 ,0.667574, 20.0109,3.504109,3.421649
sgpcmbeC1.c1,2001,0620:30:00,30 ,0.794517,11.79921,3.846951,3.313008
sgpcmbeC1.c1,2001,0621:30:00,30 ,0.436206,14.99572,2.945798,3.032212
sgpcmbeC1.c1,2001,0622:30:00,30 ,0.465677,10.25686,2.616435,2.548623
sgpcmbeC1.c1,2001,0623:30:00,30 ,0.431273,12.00079,3.274486,3.422477