datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,05 0:30:00,31 ,0.524291, 12.6862,3.231048,3.388247
sgpcmbeC1.c1,1998,05 1:30:00,31 ,0.307747,19.73065,4.091792,5.319209
sgpcmbeC1.c1,1998,05 2:30:00,31 ,0.409077,12.49753,3.369908,3.739058
sgpcmbeC1.c1,1998,05 3:30:00,31 ,0.644255,20.54569,3.779321,4.528181
sgpcmbeC1.c1,1998,05 4:30:00,31 ,0.476686,19.89062,3.721198,4.850882
sgpcmbeC1.c1,1998,05 5:30:00,31 ,0.450814,24.06705,4.646198,5.914878
sgpcmbeC1.c1,1998,05 6:30:00,31 ,0.338976,23.16389,4.358576,5.284109
sgpcmbeC1.c1,1998,05 7:30:00,31 ,0.496764,12.66561,3.888554,3.017981
sgpcmbeC1.c1,1998,05 8:30:00,31 ,0.607434,13.00224,4.876718,3.553107
sgpcmbeC1.c1,1998,05 9:30:00,31 ,0.523641,18.41076,4.030876,3.512767
sgpcmbeC1.c1,1998,0510:30:00,31 ,0.721924,14.19263,  4.9749,3.519642
sgpcmbeC1.c1,1998,0511:30:00,31 ,0.877466,11.77352,3.815809,2.915782
sgpcmbeC1.c1,1998,0512:30:00,31 ,  0.9219,13.31063,4.184454, 3.21201
sgpcmbeC1.c1,1998,0513:30:00,31 ,0.941626,14.06237,4.389012,3.085832
sgpcmbeC1.c1,1998,0514:30:00,31 ,0.876585,14.41129,4.502213,3.682373
sgpcmbeC1.c1,1998,0515:30:00,31 ,0.800076,14.58127,4.343991, 3.86323
sgpcmbeC1.c1,1998,0516:30:00,31 ,0.823187, 12.7668,3.830482,3.290959
sgpcmbeC1.c1,1998,0517:30:00,31 ,0.703977,20.59829,3.506083,4.749785
sgpcmbeC1.c1,1998,0518:30:00,31 ,0.578084,23.12016,4.791099,5.628115
sgpcmbeC1.c1,1998,0519:30:00,31 ,0.565204,14.91292, 3.78592,3.787615
sgpcmbeC1.c1,1998,0520:30:00,31 ,0.338341,13.50694,3.166017,3.217016
sgpcmbeC1.c1,1998,0521:30:00,31 ,0.543918,14.31142,2.777808,2.947443
sgpcmbeC1.c1,1998,0522:30:00,31 ,0.629937,14.82065,3.764258,3.863282
sgpcmbeC1.c1,1998,0523:30:00,31 , 0.58338,14.79544,3.183206,3.499027