datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2001,01 0:30:00,24 , 2.74189, 6.06132,4.205777,0.885698 twpcmbeC2.c1,2001,01 1:30:00,24 ,2.768832,6.243827,4.254564,0.947141 twpcmbeC2.c1,2001,01 2:30:00,24 ,2.711093,6.238187,4.242735,0.971016 twpcmbeC2.c1,2001,01 3:30:00,24 ,2.902055,6.214585,4.231393,0.936292 twpcmbeC2.c1,2001,01 4:30:00,23 ,2.939388,5.687428,4.134898,0.830381 twpcmbeC2.c1,2001,01 5:30:00,22 ,2.986342,5.666439,4.096422,0.826462 twpcmbeC2.c1,2001,01 6:30:00,21 ,2.967173,5.826006,4.100169, 0.87416 twpcmbeC2.c1,2001,01 7:30:00,21 ,3.028859,5.873534,4.088984,0.871097 twpcmbeC2.c1,2001,01 8:30:00,20 ,2.929341,5.840185,4.136193,0.899208 twpcmbeC2.c1,2001,01 9:30:00,22 ,2.898503,5.808424,4.015379,0.815866 twpcmbeC2.c1,2001,0110:30:00,23 ,2.854322,5.682508,4.029215,0.830199 twpcmbeC2.c1,2001,0111:30:00,23 ,2.860437,5.766227,4.050366,0.853492 twpcmbeC2.c1,2001,0112:30:00,23 ,2.856709,6.072117,4.054489,0.874175 twpcmbeC2.c1,2001,0113:30:00,23 ,2.870649,6.112166,4.092955, 0.85686 twpcmbeC2.c1,2001,0114:30:00,23 , 2.84757,6.165522,4.124141, 0.87073 twpcmbeC2.c1,2001,0115:30:00,23 ,2.893866,5.827773,4.099543,0.803159 twpcmbeC2.c1,2001,0116:30:00,23 ,2.742918,5.659819,4.079129, 0.78632 twpcmbeC2.c1,2001,0117:30:00,24 ,2.619982,5.573494, 4.1482,0.827307 twpcmbeC2.c1,2001,0118:30:00,24 ,2.625935,5.541778,4.149775,0.815776 twpcmbeC2.c1,2001,0119:30:00,24 ,2.676063, 5.68827, 4.16964,0.862954 twpcmbeC2.c1,2001,0120:30:00,24 ,2.620573,5.490465,4.159166, 0.82327 twpcmbeC2.c1,2001,0121:30:00,24 ,2.670777,5.634341,4.132944,0.820664 twpcmbeC2.c1,2001,0122:30:00,24 ,2.722737,5.907726,4.138242,0.813853 twpcmbeC2.c1,2001,0123:30:00,24 ,2.705011,6.035248,4.141021, 0.79395