datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,1998,05 0:30:00,19 ,       0,34.65729,10.94516,11.67749
nsacmbeC1.c1,1998,05 1:30:00,18 ,       0,27.11016,9.324361,9.683825
nsacmbeC1.c1,1998,05 2:30:00,21 ,       0,39.63609,10.30037,11.35808
nsacmbeC1.c1,1998,05 3:30:00,23 ,0.421974, 67.9694,17.74897,17.46956
nsacmbeC1.c1,1998,05 4:30:00,27 ,5.011154,108.4929,30.48015,25.36362
nsacmbeC1.c1,1998,05 5:30:00,29 ,9.562937,130.0486,50.45648,27.26329
nsacmbeC1.c1,1998,05 6:30:00,29 ,35.75951,162.9075,93.07161,31.56811
nsacmbeC1.c1,1998,05 7:30:00,29 ,66.36033,236.2334,155.7952,44.70352
nsacmbeC1.c1,1998,05 8:30:00,29 ,79.57327,315.2144,212.5057,59.11341
nsacmbeC1.c1,1998,05 9:30:00,28 , 133.397,483.0652,289.7438,69.39782
nsacmbeC1.c1,1998,0510:30:00,28 , 136.889,556.7773,346.0601,81.49094
nsacmbeC1.c1,1998,0511:30:00,28 ,117.4751,585.0583,381.7412,97.02954
nsacmbeC1.c1,1998,0512:30:00,28 ,131.3405,617.4683,406.0996,110.7436
nsacmbeC1.c1,1998,0513:30:00,28 ,93.33898,598.9196,404.2558,113.6864
nsacmbeC1.c1,1998,0514:30:00,28 ,64.15138,602.4674,374.9856,129.1873
nsacmbeC1.c1,1998,0515:30:00,29 ,56.52474,541.4471,346.5395,131.9039
nsacmbeC1.c1,1998,0516:30:00,27 ,80.51765,481.2783,309.4367,105.1563
nsacmbeC1.c1,1998,0517:30:00,28 ,81.51807,426.6049,250.6153,83.50751
nsacmbeC1.c1,1998,0518:30:00,28 ,82.20173,308.8962, 191.569,47.89939
nsacmbeC1.c1,1998,0519:30:00,27 ,72.61599,262.8783,134.5678,35.45712
nsacmbeC1.c1,1998,0520:30:00,28 , 44.1856, 197.168,85.52918,32.42876
nsacmbeC1.c1,1998,0521:30:00,27 ,17.21741,109.9086,  47.102,25.74428
nsacmbeC1.c1,1998,0522:30:00,24 ,4.904583,79.68114,24.60069,17.92149
nsacmbeC1.c1,1998,0523:30:00,23 ,0.178216,53.08088,14.81845,15.36714