datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2004,09 0:30:00,19 ,4.233846,6.092268,5.150613,0.540402 twpcmbeC2.c1,2004,09 1:30:00,19 ,4.140246,6.008651,5.187014, 0.46562 twpcmbeC2.c1,2004,09 2:30:00,17 , 4.00576,5.938734,5.173037,0.528721 twpcmbeC2.c1,2004,09 3:30:00,17 ,3.973883,5.799933,5.110823, 0.48643 twpcmbeC2.c1,2004,09 4:30:00,16 ,3.925206,5.727159,5.074068,0.473659 twpcmbeC2.c1,2004,09 5:30:00,15 ,3.862147,5.706859,5.023518,0.484396 twpcmbeC2.c1,2004,09 6:30:00,15 ,3.886975,6.163651,5.149071,0.577406 twpcmbeC2.c1,2004,09 7:30:00,15 ,3.896361,6.303769,5.199666,0.663658 twpcmbeC2.c1,2004,09 8:30:00,14 ,3.862525,6.103159,5.153337,0.693133 twpcmbeC2.c1,2004,09 9:30:00,22 ,3.776783,6.179707,5.180308,0.686722 twpcmbeC2.c1,2004,0910:30:00,26 ,3.735995,6.447209,5.196185,0.634559 twpcmbeC2.c1,2004,0911:30:00,27 ,3.769536,6.021825,5.137173,0.555852 twpcmbeC2.c1,2004,0912:30:00,25 ,3.883564,6.258749,5.133831,0.631043 twpcmbeC2.c1,2004,0913:30:00,27 , 3.8769,5.978053,5.067038, 0.57541 twpcmbeC2.c1,2004,0914:30:00,27 ,3.859854,6.015473,5.025404,0.589669 twpcmbeC2.c1,2004,0915:30:00,27 ,4.064937,6.388266,5.069375,0.580754 twpcmbeC2.c1,2004,0916:30:00,27 , 4.04147,6.339232,5.089267, 0.59156 twpcmbeC2.c1,2004,0917:30:00,27 ,4.025625,6.209672,5.065891,0.603526 twpcmbeC2.c1,2004,0918:30:00,22 ,4.095226,6.268366,4.997481,0.540311 twpcmbeC2.c1,2004,0919:30:00,21 ,4.032331,6.395175, 5.03812,0.648405 twpcmbeC2.c1,2004,0920:30:00,21 ,4.075811,6.215544,5.060671,0.608384 twpcmbeC2.c1,2004,0921:30:00,17 ,4.040733, 6.04239,5.053656,0.642563 twpcmbeC2.c1,2004,0922:30:00,18 ,4.065826,6.288688,5.056676,0.620905 twpcmbeC2.c1,2004,0923:30:00,20 ,4.044547,5.829862,5.078948,0.542339