datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2003,05 0:30:00,31 ,       0,2.990995,1.378418,0.689571
nsacmbeC1.c1,2003,05 1:30:00,31 ,       0,2.074116,0.635807,0.605365
nsacmbeC1.c1,2003,05 2:30:00,31 , 0.15907, 3.72572,1.504233,0.795348
nsacmbeC1.c1,2003,05 3:30:00,31 ,1.372705,13.74395, 4.26337,2.307963
nsacmbeC1.c1,2003,05 4:30:00,31 ,3.667542,20.88378,  8.7823,3.694642
nsacmbeC1.c1,2003,05 5:30:00,31 ,2.487114,28.08489,11.62428,4.492891
nsacmbeC1.c1,2003,05 6:30:00,31 ,2.702088,30.70937, 16.4605,5.857015
nsacmbeC1.c1,2003,05 7:30:00,31 ,5.673557,52.04934, 19.3637,9.663031
nsacmbeC1.c1,2003,05 8:30:00,31 ,1.879104,48.87411,22.42258,11.81364
nsacmbeC1.c1,2003,05 9:30:00,31 ,1.962106,83.14236,28.89435,19.21547
nsacmbeC1.c1,2003,0510:30:00,31 ,1.161159,64.17913,25.30517,17.05602
nsacmbeC1.c1,2003,0511:30:00,30 ,1.332676, 91.7177,27.08073,22.55737
nsacmbeC1.c1,2003,0512:30:00,31 ,2.380795, 114.762,25.97002,27.90912
nsacmbeC1.c1,2003,0513:30:00,31 ,1.984787, 107.595,22.53869,23.77246
nsacmbeC1.c1,2003,0514:30:00,31 ,7.138721,141.0784,34.41279,34.64195
nsacmbeC1.c1,2003,0515:30:00,31 ,2.731642,112.2173,33.09132,27.18717
nsacmbeC1.c1,2003,0516:30:00,31 ,3.811782,95.46118,29.00213,20.78893
nsacmbeC1.c1,2003,0517:30:00,31 ,  2.2507, 84.2183,28.49147,18.67928
nsacmbeC1.c1,2003,0518:30:00,31 ,5.497746,39.06349,20.47412, 9.74659
nsacmbeC1.c1,2003,0519:30:00,31 ,5.966088,38.75309,19.79406,6.683776
nsacmbeC1.c1,2003,0520:30:00,31 ,5.947512,39.84179, 17.5035,8.030861
nsacmbeC1.c1,2003,0521:30:00,31 ,4.409571,19.67746,10.54857,3.559748
nsacmbeC1.c1,2003,0522:30:00,31 ,3.221379, 17.2105,7.262245, 3.05284
nsacmbeC1.c1,2003,0523:30:00,31 ,1.484892,12.01899,3.935999,1.953942