datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,06 0:30:00,27 ,1.437613,5.379867,3.370197,0.980998
sgpcmbeC1.c1,2004,06 1:30:00,27 ,1.443076,5.184663,3.414904,1.005484
sgpcmbeC1.c1,2004,06 2:30:00,28 , 1.46591,5.058404,3.477133, 0.98793
sgpcmbeC1.c1,2004,06 3:30:00,26 ,1.414205,5.169548,3.360744,0.904505
sgpcmbeC1.c1,2004,06 4:30:00,24 ,1.340729,4.996358,3.302256,0.892156
sgpcmbeC1.c1,2004,06 5:30:00,24 ,1.309955,4.698874,3.363243,0.893809
sgpcmbeC1.c1,2004,06 6:30:00,28 ,1.261244,4.945806,  3.4088, 0.87286
sgpcmbeC1.c1,2004,06 7:30:00,26 , 1.26821,4.961051,3.363144,0.882389
sgpcmbeC1.c1,2004,06 8:30:00,28 ,1.280018,4.900182,3.357839,0.854175
sgpcmbeC1.c1,2004,06 9:30:00,27 ,1.266041,4.772062,3.341078,0.878943
sgpcmbeC1.c1,2004,0610:30:00,27 ,1.304613,4.822385,3.365944,0.885516
sgpcmbeC1.c1,2004,0611:30:00,29 ,1.409649,5.424156,3.462847,0.980101
sgpcmbeC1.c1,2004,0612:30:00,29 ,1.451864,5.228286,3.405713,0.935441
sgpcmbeC1.c1,2004,0613:30:00,30 ,1.448194, 5.52875,3.499992,0.951107
sgpcmbeC1.c1,2004,0614:30:00,30 ,1.508251, 5.23503,3.471269,0.904329
sgpcmbeC1.c1,2004,0615:30:00,29 , 1.60632,4.587682,3.430954,0.781574
sgpcmbeC1.c1,2004,0616:30:00,29 ,1.683842,4.501517,3.438481,0.751693
sgpcmbeC1.c1,2004,0617:30:00,29 ,1.704858,4.413303,3.427142, 0.71696
sgpcmbeC1.c1,2004,0618:30:00,29 ,1.629343,4.511036,3.453685,0.737647
sgpcmbeC1.c1,2004,0619:30:00,29 , 1.57258,4.602067,3.469668,0.758809
sgpcmbeC1.c1,2004,0620:30:00,30 ,1.535527,6.264355,3.597326,0.952906
sgpcmbeC1.c1,2004,0621:30:00,29 ,1.544951,6.004868,3.574728,0.948553
sgpcmbeC1.c1,2004,0622:30:00,29 , 1.58481,5.692185, 3.56647,0.922946
sgpcmbeC1.c1,2004,0623:30:00,28 ,1.550809,5.589556, 3.54925,0.951632