datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,05 0:30:00,31 ,       0,0.004789,0.000154, 0.00086
twpcmbeC1.c1,2006,05 1:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,05 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,05 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,05 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,05 5:30:00,31 ,       0,0.324936,0.044525,0.072452
twpcmbeC1.c1,2006,05 6:30:00,31 ,14.83378,39.34104,26.14824,6.790456
twpcmbeC1.c1,2006,05 7:30:00,31 ,  48.072,164.3654,94.03906,32.89477
twpcmbeC1.c1,2006,05 8:30:00,31 ,58.41541, 309.938, 155.185,67.30257
twpcmbeC1.c1,2006,05 9:30:00,31 , 34.9672, 421.887,212.4233, 108.145
twpcmbeC1.c1,2006,0510:30:00,31 , 43.9122,524.1683,265.6191,134.0235
twpcmbeC1.c1,2006,0511:30:00,31 ,96.75725,471.2774,256.1843,120.5688
twpcmbeC1.c1,2006,0512:30:00,31 ,18.65254,492.6401,253.1856,130.8938
twpcmbeC1.c1,2006,0513:30:00,31 ,38.15093,451.5662,238.2654,113.9753
twpcmbeC1.c1,2006,0514:30:00,31 ,87.96481,352.4304,202.8917,73.99202
twpcmbeC1.c1,2006,0515:30:00,31 ,80.03759,278.4408,161.3998,54.73484
twpcmbeC1.c1,2006,0516:30:00,31 ,7.325501,171.1228, 113.229,37.07096
twpcmbeC1.c1,2006,0517:30:00,31 ,1.135814,79.42845,47.94299,15.46551
twpcmbeC1.c1,2006,0518:30:00,31 ,       0,1.876679,1.098562,0.433412
twpcmbeC1.c1,2006,0519:30:00,31 ,       0,0.000162,5.228E-6,0.000029
twpcmbeC1.c1,2006,0520:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0521:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0522:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0523:30:00,31 ,       0,0.014964,0.000552,0.002702