datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1998,06 0:30:00,30 ,       0,0.435711,0.125278,0.145012
twpcmbeC1.c1,1998,06 1:30:00,30 ,       0,0.388058,0.080301,0.120806
twpcmbeC1.c1,1998,06 2:30:00,30 ,       0,0.265531,0.060354,0.096353
twpcmbeC1.c1,1998,06 3:30:00,30 ,       0,0.266641,0.046312, 0.07673
twpcmbeC1.c1,1998,06 4:30:00,30 ,       0,0.262428,0.021832,0.053545
twpcmbeC1.c1,1998,06 5:30:00,30 ,       0,0.076331,0.011469,0.022385
twpcmbeC1.c1,1998,06 6:30:00,30 ,       0,30.83565,7.623989,10.64395
twpcmbeC1.c1,1998,06 7:30:00,30 ,       0,102.8074,39.72106,36.30519
twpcmbeC1.c1,1998,06 8:30:00,30 ,0.126199,177.2153,60.31718,49.04225
twpcmbeC1.c1,1998,06 9:30:00,30 ,0.058073,207.3492,93.35845,72.18872
twpcmbeC1.c1,1998,0610:30:00,30 ,0.113143,282.7842,97.78311,86.91294
twpcmbeC1.c1,1998,0611:30:00,30 ,1.190555,319.6708,143.1067,118.0125
twpcmbeC1.c1,1998,0612:30:00,30 ,0.148185,342.3152,100.6909,  92.698
twpcmbeC1.c1,1998,0613:30:00,30 ,0.183728,309.2542,143.8362,105.0774
twpcmbeC1.c1,1998,0614:30:00,30 ,0.240167,267.0406,105.1401,81.45426
twpcmbeC1.c1,1998,0615:30:00,30 , 0.20107,198.2265,80.13583,61.77815
twpcmbeC1.c1,1998,0616:30:00,30 ,0.167439,129.8084,38.05771,40.47982
twpcmbeC1.c1,1998,0617:30:00,30 ,       0,65.86971,17.89628,21.66241
twpcmbeC1.c1,1998,0618:30:00,30 ,       0,1.521968,0.162751,0.364614
twpcmbeC1.c1,1998,0619:30:00,30 ,       0,0.067043,0.004926,0.014445
twpcmbeC1.c1,1998,0620:30:00,30 ,       0,0.199134,0.024691,0.048532
twpcmbeC1.c1,1998,0621:30:00,30 ,       0,0.237093,0.059809,0.078935
twpcmbeC1.c1,1998,0622:30:00,30 ,       0,0.599836,0.100675,0.137501
twpcmbeC1.c1,1998,0623:30:00,30 ,       0,  0.5151,0.135719,0.155892