datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2007,06 0:30:00,30 ,1.009326,8.448619,3.717158,2.324477
nsacmbeC1.c1,2007,06 1:30:00,30 ,1.171887,8.666781,4.659089,2.121787
nsacmbeC1.c1,2007,06 2:30:00,30 ,0.872143,7.584947,  3.2668,1.885682
nsacmbeC1.c1,2007,06 3:30:00,30 ,0.764215,20.02932,6.287833,4.907341
nsacmbeC1.c1,2007,06 4:30:00,30 , 1.26584,28.24895,9.632473,7.586159
nsacmbeC1.c1,2007,06 5:30:00,30 ,1.856363,33.41099,10.49669,7.621169
nsacmbeC1.c1,2007,06 6:30:00,30 ,1.950103,45.93003,15.49115,11.80057
nsacmbeC1.c1,2007,06 7:30:00,30 ,1.614387,65.28487,18.65729,16.82644
nsacmbeC1.c1,2007,06 8:30:00,30 ,0.668119,83.57105,21.74206,20.61699
nsacmbeC1.c1,2007,06 9:30:00,30 ,0.557948,84.55825,23.89626,23.24938
nsacmbeC1.c1,2007,0610:30:00,30 ,0.122976,101.1786,23.40844, 24.9314
nsacmbeC1.c1,2007,0611:30:00,30 , 0.18862,115.4789,31.23097,30.46914
nsacmbeC1.c1,2007,0612:30:00,30 , 0.15016,161.8689,36.78713,40.21351
nsacmbeC1.c1,2007,0613:30:00,30 ,0.242318,162.0454,44.84203,42.53314
nsacmbeC1.c1,2007,0614:30:00,30 ,0.380075,98.59312,33.72745,29.77316
nsacmbeC1.c1,2007,0615:30:00,30 ,0.383641, 88.7414,27.91197,25.11854
nsacmbeC1.c1,2007,0616:30:00,30 ,0.344591,135.4904,32.90658,32.67547
nsacmbeC1.c1,2007,0617:30:00,30 , 0.93635,131.3713,25.99358,  27.388
nsacmbeC1.c1,2007,0618:30:00,30 ,1.208012,84.86907,21.48483,21.59007
nsacmbeC1.c1,2007,0619:30:00,30 ,0.982504,42.07151,15.43596, 14.5735
nsacmbeC1.c1,2007,0620:30:00,30 ,1.472004,40.09618,14.25243,12.25051
nsacmbeC1.c1,2007,0621:30:00,30 ,1.102758,34.60589,10.08678,9.066941
nsacmbeC1.c1,2007,0622:30:00,30 ,2.279204,33.26996,9.036522,7.060268
nsacmbeC1.c1,2007,0623:30:00,30 ,0.739448,17.54396,4.815151, 3.61234