datastream, year, month, tod,n, min, max, mean, std nsacmbeC1.c1,1999,06 0:30:00,30 ,0.417154,9.586669,3.076334,2.297358 nsacmbeC1.c1,1999,06 1:30:00,30 ,0.416554,6.670502,2.254368,1.805575 nsacmbeC1.c1,1999,06 2:30:00,30 ,0.454664,19.46355, 4.69462,4.234215 nsacmbeC1.c1,1999,06 3:30:00,30 ,0.765269,21.18736,6.477766,5.493121 nsacmbeC1.c1,1999,06 4:30:00,30 , 2.08773,27.64955,8.856713,6.706789 nsacmbeC1.c1,1999,06 5:30:00,30 , 2.50069,39.09612,13.33442,10.61121 nsacmbeC1.c1,1999,06 6:30:00,30 ,1.431137,38.89286,16.16719,9.882405 nsacmbeC1.c1,1999,06 7:30:00,30 ,3.708876,70.80996,21.11978,16.42268 nsacmbeC1.c1,1999,06 8:30:00,30 ,2.693703,99.54556,23.45664,19.82768 nsacmbeC1.c1,1999,06 9:30:00,30 ,2.027279,79.17873,26.40128,20.72399 nsacmbeC1.c1,1999,0610:30:00,30 ,2.083848,80.09335,26.78843,20.70607 nsacmbeC1.c1,1999,0611:30:00,30 ,1.277135,126.0416,29.07652, 26.4196 nsacmbeC1.c1,1999,0612:30:00,30 ,0.398495,120.5789,31.51474,27.79825 nsacmbeC1.c1,1999,0613:30:00,30 ,0.341099,127.9815,32.55063,29.33508 nsacmbeC1.c1,1999,0614:30:00,30 ,1.461942,101.4427,29.34288,27.20375 nsacmbeC1.c1,1999,0615:30:00,30 ,1.932854,86.45428,31.74261,23.32123 nsacmbeC1.c1,1999,0616:30:00,30 ,2.857044,84.01587,28.80601,21.18309 nsacmbeC1.c1,1999,0617:30:00,30 ,3.172673, 51.6877,22.82014,13.30201 nsacmbeC1.c1,1999,0618:30:00,30 , 3.95218,91.16302,21.66454,17.61239 nsacmbeC1.c1,1999,0619:30:00,30 ,1.679779,58.00131,19.82002,13.10123 nsacmbeC1.c1,1999,0620:30:00,30 ,0.430829,25.54972,10.43718,7.335634 nsacmbeC1.c1,1999,0621:30:00,30 ,0.835809,35.14522,8.824938, 8.08252 nsacmbeC1.c1,1999,0622:30:00,30 ,0.612206,24.10756,8.315672,6.807265 nsacmbeC1.c1,1999,0623:30:00,29 ,1.208017, 19.2358, 6.11261,4.894533