datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2001,06 0:30:00,30 ,       0,1.607359, 0.35428, 0.29703
twpcmbeC1.c1,2001,06 1:30:00,30 ,       0,0.763639, 0.29934,0.197448
twpcmbeC1.c1,2001,06 2:30:00,30 ,       0, 0.69007,0.289519,0.185238
twpcmbeC1.c1,2001,06 3:30:00,30 ,       0,0.645403,0.192935,0.180469
twpcmbeC1.c1,2001,06 4:30:00,30 ,       0, 0.34681,0.075261,0.113289
twpcmbeC1.c1,2001,06 5:30:00,30 ,       0,0.343849,0.054909,0.105133
twpcmbeC1.c1,2001,06 6:30:00,30 ,2.111076, 49.0009,21.46188,12.65578
twpcmbeC1.c1,2001,06 7:30:00,30 ,6.360301,133.3309,56.31479, 36.8799
twpcmbeC1.c1,2001,06 8:30:00,30 ,7.359883,223.6312,84.38764,54.83311
twpcmbeC1.c1,2001,06 9:30:00,30 ,2.359799,210.5377,105.1576,51.86428
twpcmbeC1.c1,2001,0610:30:00,30 ,12.17378,288.5527,111.5576,66.27554
twpcmbeC1.c1,2001,0611:30:00,30 ,8.197716,333.0211,141.1523, 95.1099
twpcmbeC1.c1,2001,0612:30:00,30 ,5.215822,266.4315,131.5367,76.92089
twpcmbeC1.c1,2001,0613:30:00,30 ,11.89303,390.1108,133.4518,88.38038
twpcmbeC1.c1,2001,0614:30:00,30 ,22.00241,291.8179,120.4849,70.29048
twpcmbeC1.c1,2001,0615:30:00,30 ,18.67412,244.1736,115.7767,65.18479
twpcmbeC1.c1,2001,0616:30:00,30 ,12.69112,142.7996,69.02328,36.87475
twpcmbeC1.c1,2001,0617:30:00,30 ,11.43328,89.39897,38.16248,19.68179
twpcmbeC1.c1,2001,0618:30:00,30 , 1.17444,8.547114,  3.5378,1.809627
twpcmbeC1.c1,2001,0619:30:00,30 ,       0,1.040473,0.090841,0.210333
twpcmbeC1.c1,2001,0620:30:00,30 ,       0,1.264133,0.132739,0.246053
twpcmbeC1.c1,2001,0621:30:00,30 ,       0,1.450712,0.228205, 0.29992
twpcmbeC1.c1,2001,0622:30:00,30 ,       0,0.977224,0.309333,0.212012
twpcmbeC1.c1,2001,0623:30:00,30 ,       0,0.626966,0.295528,0.228687