datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2005,03 0:30:00,14 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,03 1:30:00,11 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,03 2:30:00,12 ,       0,1.211432,0.100953, 0.34971
nsacmbeC1.c1,2005,03 3:30:00,11 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,03 4:30:00,14 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,03 5:30:00,22 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,03 6:30:00,27 ,       0,1.351731,0.064282,0.263123
nsacmbeC1.c1,2005,03 7:30:00,31 ,       0,13.18656,1.119365, 2.61797
nsacmbeC1.c1,2005,03 8:30:00,31 ,0.000861,24.24217,4.829292,7.051709
nsacmbeC1.c1,2005,03 9:30:00,30 ,0.049286,27.57192,  8.8556,8.605227
nsacmbeC1.c1,2005,0310:30:00,30 ,0.027852,44.04229,13.02475, 12.0289
nsacmbeC1.c1,2005,0311:30:00,31 ,0.089622, 81.6369,16.52712,17.46241
nsacmbeC1.c1,2005,0312:30:00,31 ,0.089643,93.36505,13.54541,21.27897
nsacmbeC1.c1,2005,0313:30:00,31 ,0.118381,79.34303,14.31565,20.93804
nsacmbeC1.c1,2005,0314:30:00,31 ,0.083083,80.55038,13.29958,16.50586
nsacmbeC1.c1,2005,0315:30:00,31 ,0.059836,87.95079,16.18221,16.94269
nsacmbeC1.c1,2005,0316:30:00,31 ,0.097293,42.18394,14.47283,9.730268
nsacmbeC1.c1,2005,0317:30:00,31 ,0.032233,29.22511,  13.681,8.570169
nsacmbeC1.c1,2005,0318:30:00,31 ,0.027976,17.33573, 7.89057, 6.26469
nsacmbeC1.c1,2005,0319:30:00,31 ,       0,20.22466,2.882886,4.901831
nsacmbeC1.c1,2005,0320:30:00,27 ,       0,0.042294,0.005917,0.012228
nsacmbeC1.c1,2005,0321:30:00,20 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,0322:30:00,15 ,       0,       0,       0,       0
nsacmbeC1.c1,2005,0323:30:00,13 ,       0,       0,       0,       0