datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1999,09 0:30:00,23 ,442.6528,458.2025,451.5006,4.696053 twpcmbeC1.c1,1999,09 1:30:00,23 ,441.4042,458.2251,451.6065,4.741912 twpcmbeC1.c1,1999,09 2:30:00,23 , 441.188, 456.286,450.8555,4.229188 twpcmbeC1.c1,1999,09 3:30:00,23 ,439.5676,456.5896,449.7578,5.030477 twpcmbeC1.c1,1999,09 4:30:00,23 , 440.561,456.5573, 449.529,5.666484 twpcmbeC1.c1,1999,09 5:30:00,23 ,434.8391,457.2917,448.6859,6.284154 twpcmbeC1.c1,1999,09 6:30:00,23 , 442.623,461.5919, 454.539,5.791391 twpcmbeC1.c1,1999,09 7:30:00,23 ,458.9254,484.3632,474.7406,6.258178 twpcmbeC1.c1,1999,09 8:30:00,23 ,458.0591,503.7425,493.9998,10.91257 twpcmbeC1.c1,1999,09 9:30:00,23 ,461.3567,519.8661,506.8275,13.81265 twpcmbeC1.c1,1999,0910:30:00,23 ,493.0458,530.0634,519.5786,8.665845 twpcmbeC1.c1,1999,0911:30:00,23 ,481.6593,539.0095, 519.632,17.00023 twpcmbeC1.c1,1999,0912:30:00,23 ,467.1622,541.9975,522.1138,17.87351 twpcmbeC1.c1,1999,0913:30:00,22 , 468.877,542.8752,521.5516,18.72508 twpcmbeC1.c1,1999,0914:30:00,23 ,480.9067,532.3394,512.5814,15.20976 twpcmbeC1.c1,1999,0915:30:00,23 ,465.7986,518.8218,500.8713, 15.9045 twpcmbeC1.c1,1999,0916:30:00,23 ,466.0969,501.9973,488.3905,9.969141 twpcmbeC1.c1,1999,0917:30:00,23 ,457.3472,476.8002,470.5203,4.709966 twpcmbeC1.c1,1999,0918:30:00,23 ,449.0954,461.6434,457.7456,3.549899 twpcmbeC1.c1,1999,0919:30:00,23 ,447.2986,461.8799,456.0503,3.913676 twpcmbeC1.c1,1999,0920:30:00,23 ,445.9297,459.6805,455.7552,3.654464 twpcmbeC1.c1,1999,0921:30:00,23 ,442.7286,462.2866,454.7967,4.189083 twpcmbeC1.c1,1999,0922:30:00,23 ,440.4642,459.4895,452.8447,4.312421 twpcmbeC1.c1,1999,0923:30:00,23 ,440.8181,457.6898,452.0453,4.540141