datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2002,02 0:30:00,20 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 1:30:00,21 ,       0,0.069959,0.003331,0.015266
nsacmbeC1.c1,2002,02 2:30:00,18 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 3:30:00,23 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 4:30:00,21 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 5:30:00,22 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 6:30:00,23 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 7:30:00,22 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,02 8:30:00,24 ,       0,0.694759,0.059327,0.181945
nsacmbeC1.c1,2002,02 9:30:00,27 ,       0,15.12566,2.350315,4.058106
nsacmbeC1.c1,2002,0210:30:00,27 ,0.072235,49.54517,11.26986, 12.4533
nsacmbeC1.c1,2002,0211:30:00,27 ,4.351048,86.48899,25.83071,18.19289
nsacmbeC1.c1,2002,0212:30:00,27 ,10.81733,100.9053,39.47003,21.73267
nsacmbeC1.c1,2002,0213:30:00,27 ,12.90033,115.9488,48.39498, 27.7754
nsacmbeC1.c1,2002,0214:30:00,27 , 11.5315,117.4557,43.92269,27.72985
nsacmbeC1.c1,2002,0215:30:00,28 ,6.309129,76.82764,32.24758,20.26372
nsacmbeC1.c1,2002,0216:30:00,27 ,0.670233,38.85917,16.23553, 13.5277
nsacmbeC1.c1,2002,0217:30:00,27 ,       0,16.99017,4.020687,5.117367
nsacmbeC1.c1,2002,0218:30:00,27 ,       0,1.896671,0.223192,0.496481
nsacmbeC1.c1,2002,0219:30:00,25 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0220:30:00,23 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0221:30:00,21 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0222:30:00,19 ,       0,       0,       0,       0
nsacmbeC1.c1,2002,0223:30:00,18 ,       0,       0,       0,       0