datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,07 0:30:00,28 ,       0,132.6679,12.86007,24.94923
twpcmbeC2.c1,2005,07 1:30:00,28 ,       0,89.04536,17.98026,22.01773
twpcmbeC2.c1,2005,07 2:30:00,27 ,       0,93.83494,19.28943, 24.3693
twpcmbeC2.c1,2005,07 3:30:00,26 ,       0, 100.193,21.23884,25.16192
twpcmbeC2.c1,2005,07 4:30:00,25 ,       0,113.8807,20.64151,28.01829
twpcmbeC2.c1,2005,07 5:30:00,25 ,       0,175.8738,21.22466,35.72536
twpcmbeC2.c1,2005,07 6:30:00,25 ,       0,80.54988,18.50079,21.49873
twpcmbeC2.c1,2005,07 7:30:00,25 ,       0,87.03461,16.47045,22.23091
twpcmbeC2.c1,2005,07 8:30:00,24 ,       0,40.53643,10.30085,13.32321
twpcmbeC2.c1,2005,07 9:30:00,26 ,       0,100.7374, 18.1956,27.41731
twpcmbeC2.c1,2005,0710:30:00,26 ,       0,80.57593,21.50927,21.94432
twpcmbeC2.c1,2005,0711:30:00,28 ,       0,61.81386, 24.8264,17.23956
twpcmbeC2.c1,2005,0712:30:00,27 ,       0, 83.3278,26.95415,24.23335
twpcmbeC2.c1,2005,0713:30:00,28 ,       0,95.03694,25.64087, 22.8762
twpcmbeC2.c1,2005,0714:30:00,28 ,       0,66.32215,26.80468,17.78393
twpcmbeC2.c1,2005,0715:30:00,29 ,0.204977,174.7424,34.91522,36.05497
twpcmbeC2.c1,2005,0716:30:00,29 ,0.351979,186.1335,27.14593,36.58364
twpcmbeC2.c1,2005,0717:30:00,29 ,       0,52.65139, 17.4555,16.67487
twpcmbeC2.c1,2005,0718:30:00,29 ,       0, 136.726,20.92159,30.50714
twpcmbeC2.c1,2005,0719:30:00,28 ,       0,88.54614,18.70841,24.89457
twpcmbeC2.c1,2005,0720:30:00,29 ,       0,118.9626,12.56084,23.26378
twpcmbeC2.c1,2005,0721:30:00,30 ,       0,109.5082, 15.2348,23.93777
twpcmbeC2.c1,2005,0722:30:00,28 ,       0, 62.9249,11.08554,14.57302
twpcmbeC2.c1,2005,0723:30:00,29 ,       0,136.5323,19.30876,32.44212