datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2003,05 0:30:00,31 ,       0, 0.42516,  0.0865,0.141211
twpcmbeC1.c1,2003,05 1:30:00,31 ,       0,0.576794,0.060315,0.137806
twpcmbeC1.c1,2003,05 2:30:00,31 ,       0,0.572792,0.066764, 0.13992
twpcmbeC1.c1,2003,05 3:30:00,31 ,       0,0.420639,0.054045, 0.12574
twpcmbeC1.c1,2003,05 4:30:00,31 ,       0,0.318743, 0.02854, 0.07481
twpcmbeC1.c1,2003,05 5:30:00,31 ,       0,0.444418,0.138756,0.139337
twpcmbeC1.c1,2003,05 6:30:00,31 ,5.714004,55.28123,33.86669,15.08151
twpcmbeC1.c1,2003,05 7:30:00,31 ,10.72399,115.0154,62.00123,27.34706
twpcmbeC1.c1,2003,05 8:30:00,31 ,8.897383,148.9347,72.42488,29.51371
twpcmbeC1.c1,2003,05 9:30:00,31 ,2.894671, 224.698,91.57365,57.65264
twpcmbeC1.c1,2003,0510:30:00,31 ,17.95481,236.3149,92.44493,66.61324
twpcmbeC1.c1,2003,0511:30:00,31 ,13.59736,261.8198,  95.052,70.24748
twpcmbeC1.c1,2003,0512:30:00,31 ,6.221948,357.8075, 116.278,99.26338
twpcmbeC1.c1,2003,0513:30:00,31 ,10.10577,343.6319, 105.632,80.44691
twpcmbeC1.c1,2003,0514:30:00,31 ,9.317534,189.6776,78.69367,48.21347
twpcmbeC1.c1,2003,0515:30:00,31 ,3.409773,171.4873,78.64296,44.42034
twpcmbeC1.c1,2003,0516:30:00,31 ,1.928496,138.0273,55.96036, 32.8935
twpcmbeC1.c1,2003,0517:30:00,31 ,4.605014,70.79948,37.67302, 20.7039
twpcmbeC1.c1,2003,0518:30:00,31 ,0.123091,4.722519,2.379529,1.139342
twpcmbeC1.c1,2003,0519:30:00,31 ,       0,0.194657,0.006279,0.034961
twpcmbeC1.c1,2003,0520:30:00,31 ,       0,0.388469,0.043181,0.109868
twpcmbeC1.c1,2003,0521:30:00,30 ,       0,0.478422,0.058469,0.135469
twpcmbeC1.c1,2003,0522:30:00,31 ,       0,0.597732,0.072132,0.150974
twpcmbeC1.c1,2003,0523:30:00,31 ,       0,0.616626,0.087451,0.173692