datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2007,09 0:30:00,30 , 437.965,461.8983,454.2241,4.884381 twpcmbeC2.c1,2007,09 1:30:00,30 ,441.5681,459.8984,453.5963, 4.59278 twpcmbeC2.c1,2007,09 2:30:00,30 ,442.2895,460.0152,452.8769,4.497576 twpcmbeC2.c1,2007,09 3:30:00,30 ,440.7287, 457.511,451.4316,4.112324 twpcmbeC2.c1,2007,09 4:30:00,30 ,439.8517, 457.29,449.9916,4.168512 twpcmbeC2.c1,2007,09 5:30:00,30 ,437.5203,456.6348,449.1596,4.658773 twpcmbeC2.c1,2007,09 6:30:00,30 ,432.8658,458.0528,448.4546,5.086054 twpcmbeC2.c1,2007,09 7:30:00,30 ,447.5992,467.8446,460.1493,4.889724 twpcmbeC2.c1,2007,09 8:30:00,30 ,450.5489, 502.458,487.0175,12.57005 twpcmbeC2.c1,2007,09 9:30:00,30 ,467.6752,539.1855,516.5392, 17.8541 twpcmbeC2.c1,2007,0910:30:00,30 ,488.1084,566.0179,546.4172,17.61889 twpcmbeC2.c1,2007,0911:30:00,26 ,520.7071,576.4935,561.3162, 12.3 twpcmbeC2.c1,2007,0912:30:00,22 ,523.0981,576.0029,561.6278, 12.5564 twpcmbeC2.c1,2007,0913:30:00,22 ,520.5326, 581.871,560.7772,15.26687 twpcmbeC2.c1,2007,0914:30:00,25 , 507.753,577.3836,562.8286,14.40974 twpcmbeC2.c1,2007,0915:30:00,29 ,516.7527,573.4715,553.3841,15.89944 twpcmbeC2.c1,2007,0916:30:00,30 ,497.6655,550.5107,531.9204,13.43503 twpcmbeC2.c1,2007,0917:30:00,30 ,472.2237,516.7061,499.8244,11.21048 twpcmbeC2.c1,2007,0918:30:00,30 ,458.0097,480.9418,473.6487, 5.90432 twpcmbeC2.c1,2007,0919:30:00,30 ,452.5667,471.2227, 463.475,4.671151 twpcmbeC2.c1,2007,0920:30:00,30 ,450.9225,466.2739,460.0334,4.329182 twpcmbeC2.c1,2007,0921:30:00,30 ,449.4007,465.8054,458.2762,4.137624 twpcmbeC2.c1,2007,0922:30:00,30 ,443.7438,465.9238,457.0821,4.448319 twpcmbeC2.c1,2007,0923:30:00,30 ,442.0399, 463.233,455.6768,4.303833