datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2006,09 0:30:00,30 ,438.7765,461.6656,450.6273,6.738475 twpcmbeC1.c1,2006,09 1:30:00,30 ,439.9542,461.1155,450.4885, 6.67629 twpcmbeC1.c1,2006,09 2:30:00,30 ,439.5633, 461.774, 450.068,6.496043 twpcmbeC1.c1,2006,09 3:30:00,30 ,438.0322, 460.748,449.4746,6.260863 twpcmbeC1.c1,2006,09 4:30:00,30 ,436.3954,459.9647,448.4925,5.994678 twpcmbeC1.c1,2006,09 5:30:00,30 , 435.475,460.8152,448.2068,5.824843 twpcmbeC1.c1,2006,09 6:30:00,30 ,440.5499,459.5848,451.0011,4.974411 twpcmbeC1.c1,2006,09 7:30:00,30 ,451.0101, 481.054,465.9387,9.079655 twpcmbeC1.c1,2006,09 8:30:00,30 , 447.534,500.5887,478.7975, 16.1801 twpcmbeC1.c1,2006,09 9:30:00,30 ,447.2484, 517.991,491.1458,21.10648 twpcmbeC1.c1,2006,0910:30:00,30 ,449.2306,531.7285,498.7942,24.93838 twpcmbeC1.c1,2006,0911:30:00,30 ,451.5804,538.1707, 503.811,25.84054 twpcmbeC1.c1,2006,0912:30:00,30 ,453.8419,536.0323,500.6707,24.06878 twpcmbeC1.c1,2006,0913:30:00,30 ,456.1788,533.5932, 498.148,22.52378 twpcmbeC1.c1,2006,0914:30:00,30 ,451.9558,528.1531,493.6709,22.86966 twpcmbeC1.c1,2006,0915:30:00,30 ,449.2061,519.7717,486.9267,19.21572 twpcmbeC1.c1,2006,0916:30:00,30 ,446.9438,503.3127,478.4985,14.80763 twpcmbeC1.c1,2006,0917:30:00,30 ,445.3655,479.2943,465.3353,8.480139 twpcmbeC1.c1,2006,0918:30:00,30 ,445.8549, 463.357,456.0227,4.825091 twpcmbeC1.c1,2006,0919:30:00,30 ,444.1661,461.7116,454.3951, 5.13261 twpcmbeC1.c1,2006,0920:30:00,30 ,442.0578,461.5955,453.3969, 5.43764 twpcmbeC1.c1,2006,0921:30:00,30 ,442.4865,460.6208,452.2426,5.663904 twpcmbeC1.c1,2006,0922:30:00,30 ,441.8822, 460.501,452.0577,5.568708 twpcmbeC1.c1,2006,0923:30:00,30 ,441.7425, 462.484,451.7154,6.173195