datastream, year, month, tod,n, min, max, mean, std
nsacmbeC1.c1,2001,02 0:30:00,18 ,       0,0.199384,0.011077,0.046995
nsacmbeC1.c1,2001,02 1:30:00,18 ,       0,  0.3849,0.028025,0.093401
nsacmbeC1.c1,2001,02 2:30:00,18 ,       0,0.359211,0.019956,0.084667
nsacmbeC1.c1,2001,02 3:30:00,20 ,       0,0.105534,0.005277,0.023598
nsacmbeC1.c1,2001,02 4:30:00,18 ,       0,0.184629,0.010257,0.043517
nsacmbeC1.c1,2001,02 5:30:00,19 ,       0,0.303534,0.015975,0.069635
nsacmbeC1.c1,2001,02 6:30:00,20 ,       0,0.381252,0.049689,0.118614
nsacmbeC1.c1,2001,02 7:30:00,20 ,       0,0.859338,0.066494,0.197243
nsacmbeC1.c1,2001,02 8:30:00,18 ,       0,0.254061,0.030661,0.067626
nsacmbeC1.c1,2001,02 9:30:00,23 ,       0,5.011545,1.432432,1.761967
nsacmbeC1.c1,2001,0210:30:00,28 ,       0,19.96644,5.024467,5.435249
nsacmbeC1.c1,2001,0211:30:00,28 ,0.735659,15.93226,6.056426,4.065427
nsacmbeC1.c1,2001,0212:30:00,28 ,1.008398,22.95243,6.688116,5.688389
nsacmbeC1.c1,2001,0213:30:00,28 ,0.515324,23.82321,5.936439,5.743478
nsacmbeC1.c1,2001,0214:30:00,28 ,1.014089,24.58366,6.410492,  5.9381
nsacmbeC1.c1,2001,0215:30:00,27 ,1.307106,15.51147,6.309641,3.615523
nsacmbeC1.c1,2001,0216:30:00,28 ,       0,22.79106,6.395381,5.314187
nsacmbeC1.c1,2001,0217:30:00,26 ,       0,9.267968,2.557819,3.033568
nsacmbeC1.c1,2001,0218:30:00,22 ,       0,5.078295,0.368273,1.088168
nsacmbeC1.c1,2001,0219:30:00,19 ,       0,0.447214,0.023538,0.102598
nsacmbeC1.c1,2001,0220:30:00,20 ,       0,       0,       0,       0
nsacmbeC1.c1,2001,0221:30:00,20 ,       0,       0,       0,       0
nsacmbeC1.c1,2001,0222:30:00,19 ,       0,       0,       0,       0
nsacmbeC1.c1,2001,0223:30:00,21 ,       0, 0.44025,0.020964, 0.09607