datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2006,05 0:30:00,30 ,       0,0.067922, 0.00369,0.014102
twpcmbeC2.c1,2006,05 1:30:00,30 ,       0,0.037069,0.001895,0.007459
twpcmbeC2.c1,2006,05 2:30:00,31 ,       0,0.050332,0.001961,0.009171
twpcmbeC2.c1,2006,05 3:30:00,31 ,       0,0.035119,0.002732,0.009004
twpcmbeC2.c1,2006,05 4:30:00,31 ,       0,0.017331,0.000559,0.003113
twpcmbeC2.c1,2006,05 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2006,05 6:30:00,31 ,0.689925,5.628604,3.894203,1.107321
twpcmbeC2.c1,2006,05 7:30:00,31 ,8.040012,45.34309, 17.3184,8.137204
twpcmbeC2.c1,2006,05 8:30:00,31 ,3.273279,62.62936,20.89631,16.00211
twpcmbeC2.c1,2006,05 9:30:00,31 ,0.874727,83.25748,31.79486,22.73252
twpcmbeC2.c1,2006,0510:30:00,31 ,1.071603,71.77617,35.79875,18.94879
twpcmbeC2.c1,2006,0511:30:00,31 ,0.751329,81.22478,38.69863,19.66107
twpcmbeC2.c1,2006,0512:30:00,31 ,0.571757,127.2818,42.47436,28.53998
twpcmbeC2.c1,2006,0513:30:00,31 ,0.558382,159.6738,45.41196,34.45435
twpcmbeC2.c1,2006,0514:30:00,31 , 0.91826,81.94843,29.35253,18.62943
twpcmbeC2.c1,2006,0515:30:00,31 ,0.349349,81.97057,25.30288,16.73062
twpcmbeC2.c1,2006,0516:30:00,31 ,2.010049,46.13725,22.40272,12.16432
twpcmbeC2.c1,2006,0517:30:00,31 ,3.014811,37.56655,14.75596,8.535099
twpcmbeC2.c1,2006,0518:30:00,31 ,11.07411,38.34618,20.02986,8.372122
twpcmbeC2.c1,2006,0519:30:00,31 ,       0,1.245145,0.224523,0.277237
twpcmbeC2.c1,2006,0520:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2006,0521:30:00,31 ,       0,0.078431,0.003728,0.015038
twpcmbeC2.c1,2006,0522:30:00,31 ,       0,0.042423,0.001697,0.007776
twpcmbeC2.c1,2006,0523:30:00,31 ,       0,       0,       0,       0