datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,06 0:30:00,28 ,1.438208,5.022743,3.702841, 1.05648
sgpcmbeC1.c1,1999,06 1:30:00,26 ,1.403012,5.187609,3.559205,0.995767
sgpcmbeC1.c1,1999,06 2:30:00,26 ,1.397153,5.101456,3.536625,0.990989
sgpcmbeC1.c1,1999,06 3:30:00,27 ,1.387743,5.580126,3.610214,1.032913
sgpcmbeC1.c1,1999,06 4:30:00,26 ,1.357433,4.974102,3.513394,0.993213
sgpcmbeC1.c1,1999,06 5:30:00,27 ,1.270089,4.836979,3.536075,0.990385
sgpcmbeC1.c1,1999,06 6:30:00,28 ,1.228093,4.862073,3.550348,0.953772
sgpcmbeC1.c1,1999,06 7:30:00,29 ,1.058981,5.110424, 3.60296, 1.01301
sgpcmbeC1.c1,1999,06 8:30:00,28 ,1.284626,5.001594,3.537344,0.987143
sgpcmbeC1.c1,1999,06 9:30:00,29 , 1.35437,5.357175,3.555562,1.044863
sgpcmbeC1.c1,1999,0610:30:00,28 ,1.423347,5.572094,3.523049,1.004143
sgpcmbeC1.c1,1999,0611:30:00,28 ,1.408742,5.400396,3.567033,0.995503
sgpcmbeC1.c1,1999,0612:30:00,28 ,1.505051,5.267759,3.618079,1.008202
sgpcmbeC1.c1,1999,0613:30:00,28 ,1.530584,5.405902,  3.6058,1.035969
sgpcmbeC1.c1,1999,0614:30:00,29 ,1.645146,5.115166,3.602306,1.062137
sgpcmbeC1.c1,1999,0615:30:00,28 ,1.595525,5.320843,3.611247,1.124114
sgpcmbeC1.c1,1999,0616:30:00,28 ,1.436356,5.360543, 3.64902, 1.16753
sgpcmbeC1.c1,1999,0617:30:00,28 ,1.320883,5.213169,3.639357, 1.18014
sgpcmbeC1.c1,1999,0618:30:00,29 ,1.395533,5.288323,3.692031,1.124764
sgpcmbeC1.c1,1999,0619:30:00,29 ,1.561346,5.596615,3.658562,1.104227
sgpcmbeC1.c1,1999,0620:30:00,29 ,1.597482,6.018072, 3.67658,1.131681
sgpcmbeC1.c1,1999,0621:30:00,28 , 1.61892,5.636469,3.624091,1.104435
sgpcmbeC1.c1,1999,0622:30:00,28 , 1.57557,5.014167,3.634032,1.065976
sgpcmbeC1.c1,1999,0623:30:00,28 ,1.503296, 5.31382,3.700411,1.094201