datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,05 0:30:00,31 ,       0,0.027045,0.002138,0.005567
twpcmbeC1.c1,2003,05 1:30:00,31 ,       0,0.044779,0.002431,0.008494
twpcmbeC1.c1,2003,05 2:30:00,31 ,       0,0.029121,0.002236,0.006058
twpcmbeC1.c1,2003,05 3:30:00,31 ,       0,0.094535,0.003669,0.017124
twpcmbeC1.c1,2003,05 4:30:00,31 ,       0,0.125372,0.006067,0.023158
twpcmbeC1.c1,2003,05 5:30:00,31 ,       0,0.444418,0.137705,0.138278
twpcmbeC1.c1,2003,05 6:30:00,31 ,5.711818, 32.3981,19.25611,5.818539
twpcmbeC1.c1,2003,05 7:30:00,31 ,4.293991, 60.9535,26.21626,15.87547
twpcmbeC1.c1,2003,05 8:30:00,31 ,1.130791,76.57269,29.51394,19.20891
twpcmbeC1.c1,2003,05 9:30:00,31 , 1.31291,108.2447,29.65537,23.78838
twpcmbeC1.c1,2003,0510:30:00,31 ,1.038005,134.9315,40.18169,32.69904
twpcmbeC1.c1,2003,0511:30:00,31 ,1.119292,208.5678,52.27315,45.78104
twpcmbeC1.c1,2003,0512:30:00,31 ,2.078007,176.5914,54.32209,42.77764
twpcmbeC1.c1,2003,0513:30:00,31 , 1.02304,125.0806,42.40536,31.42219
twpcmbeC1.c1,2003,0514:30:00,31 , 5.32433, 139.646,40.31859,32.55472
twpcmbeC1.c1,2003,0515:30:00,31 ,1.268076,76.88988,29.26989,20.34887
twpcmbeC1.c1,2003,0516:30:00,31 ,2.022082,53.61703,20.12187,13.49458
twpcmbeC1.c1,2003,0517:30:00,31 ,4.605014,44.20821,21.23707,9.750077
twpcmbeC1.c1,2003,0518:30:00,31 ,0.123091,4.713414,2.373806,1.135988
twpcmbeC1.c1,2003,0519:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2003,0520:30:00,31 ,       0,0.028965,0.002148,0.006852
twpcmbeC1.c1,2003,0521:30:00,30 ,       0,0.024825,0.001467,0.005242
twpcmbeC1.c1,2003,0522:30:00,31 ,       0,  0.0404,0.002339,0.007623
twpcmbeC1.c1,2003,0523:30:00,31 ,       0,0.049395,0.003591,0.010667