datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2005,05 0:30:00,31 ,       0,6.834294,2.027133,1.879628
nsacmbeC1.c1,2005,05 1:30:00,31 ,       0,12.24322,1.583416,2.473865
nsacmbeC1.c1,2005,05 2:30:00,31 ,0.319016,11.32982,2.384009,2.134248
nsacmbeC1.c1,2005,05 3:30:00,31 ,1.973339, 25.2651,5.419814,4.135903
nsacmbeC1.c1,2005,05 4:30:00,31 ,2.509564,16.44488,8.595126,3.387486
nsacmbeC1.c1,2005,05 5:30:00,31 ,6.103791,26.49537,14.57656,4.750442
nsacmbeC1.c1,2005,05 6:30:00,31 ,7.807127,53.38588,20.19806,9.700001
nsacmbeC1.c1,2005,05 7:30:00,31 ,5.452691,  47.371,22.26994,10.93011
nsacmbeC1.c1,2005,05 8:30:00,31 ,2.544229,54.21557,25.67825,12.72656
nsacmbeC1.c1,2005,05 9:30:00,31 ,  1.2767,94.38079,28.83846,19.23733
nsacmbeC1.c1,2005,0510:30:00,31 ,0.994204,  118.78,34.24703,25.36742
nsacmbeC1.c1,2005,0511:30:00,31 ,0.936237,99.59525,31.73998,29.94847
nsacmbeC1.c1,2005,0512:30:00,31 ,0.218051,147.2261,32.23052,34.44915
nsacmbeC1.c1,2005,0513:30:00,31 ,0.176188,85.10389,30.25239,23.44605
nsacmbeC1.c1,2005,0514:30:00,31 ,0.839427,162.2529,34.66226,35.42641
nsacmbeC1.c1,2005,0515:30:00,31 ,1.134915,96.35332,30.14903,23.53841
nsacmbeC1.c1,2005,0516:30:00,31 ,1.261056,93.82662,37.03838,23.42153
nsacmbeC1.c1,2005,0517:30:00,31 ,2.133764,107.8094,25.53219,20.01839
nsacmbeC1.c1,2005,0518:30:00,31 ,2.215758,64.43657,30.36662,16.96939
nsacmbeC1.c1,2005,0519:30:00,31 ,2.938763,65.24443,23.84574,15.37052
nsacmbeC1.c1,2005,0520:30:00,31 ,2.781174,41.71905,18.86462,10.03801
nsacmbeC1.c1,2005,0521:30:00,31 ,3.941761,22.25321,12.90198, 4.78513
nsacmbeC1.c1,2005,0522:30:00,31 ,2.411512,18.01229,8.343475,4.303455
nsacmbeC1.c1,2005,0523:30:00,31 ,1.775159,21.64906,4.968138,3.865109