datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2003,04 0:30:00,27 ,       0,0.316731,0.011731,0.060955
twpcmbeC2.c1,2003,04 1:30:00,28 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,04 2:30:00,28 ,       0,0.185297,0.011161,0.041736
twpcmbeC2.c1,2003,04 3:30:00,30 ,       0, 0.07849,0.002616, 0.01433
twpcmbeC2.c1,2003,04 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,04 5:30:00,30 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,04 6:30:00,30 ,       0,5.474847,2.325466,1.640933
twpcmbeC2.c1,2003,04 7:30:00,30 ,0.950935,74.35164,43.63658,23.59756
twpcmbeC2.c1,2003,04 8:30:00,30 ,3.092952,174.2725,73.86784, 41.7645
twpcmbeC2.c1,2003,04 9:30:00,30 ,5.289721,217.2138,96.36695,60.37598
twpcmbeC2.c1,2003,0410:30:00,30 ,16.43209,271.0881,108.0869,69.63666
twpcmbeC2.c1,2003,0411:30:00,30 ,7.452668,291.2368,128.9472,87.83534
twpcmbeC2.c1,2003,0412:30:00,30 , 5.44399,300.0667, 149.299,90.73091
twpcmbeC2.c1,2003,0413:30:00,30 ,16.46229,408.4724,168.9171,106.9532
twpcmbeC2.c1,2003,0414:30:00,29 ,17.51484, 367.639,167.7492,100.5586
twpcmbeC2.c1,2003,0415:30:00,29 ,11.70582, 335.981,126.7141, 88.8702
twpcmbeC2.c1,2003,0416:30:00,29 ,11.19982,190.3185,87.71895,51.61902
twpcmbeC2.c1,2003,0417:30:00,29 ,9.306244,164.3966,68.71645,44.25921
twpcmbeC2.c1,2003,0418:30:00,29 ,3.157796,64.56881,35.92632,19.31123
twpcmbeC2.c1,2003,0419:30:00,29 ,       0, 2.01986,0.241331,0.408822
twpcmbeC2.c1,2003,0420:30:00,29 ,       0,       0,       0,       0
twpcmbeC2.c1,2003,0421:30:00,29 ,       0,0.098571,0.003399,0.018304
twpcmbeC2.c1,2003,0422:30:00,28 ,       0, 0.24981,0.011875,0.049177
twpcmbeC2.c1,2003,0423:30:00,29 ,       0,0.074383,0.004948,0.018514