datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2004,11 0:30:00,25 ,437.8739,452.7935,444.7803,3.962054 twpcmbeC1.c1,2004,11 1:30:00,25 ,435.3038,453.1554, 444.564,4.386196 twpcmbeC1.c1,2004,11 2:30:00,25 ,435.9523,452.1548,443.9446,3.981759 twpcmbeC1.c1,2004,11 3:30:00,25 ,436.9225,452.1498,443.2593, 3.96782 twpcmbeC1.c1,2004,11 4:30:00,25 , 435.686,452.2711,442.7042,4.245226 twpcmbeC1.c1,2004,11 5:30:00,25 ,435.5693,451.8575,441.7057,4.570364 twpcmbeC1.c1,2004,11 6:30:00,25 ,441.4758,457.0924,450.7937,4.055104 twpcmbeC1.c1,2004,11 7:30:00,25 ,444.1648,484.6587, 471.011,11.35856 twpcmbeC1.c1,2004,11 8:30:00,25 ,442.4603,507.7238,487.2083,16.23432 twpcmbeC1.c1,2004,11 9:30:00,25 ,445.0948,530.1088,500.3043,22.02489 twpcmbeC1.c1,2004,1110:30:00,25 , 446.383,538.0495,502.7221,29.28015 twpcmbeC1.c1,2004,1111:30:00,25 ,447.0515,545.7355,506.2617,30.24191 twpcmbeC1.c1,2004,1112:30:00,25 ,447.9366,542.3821,502.5847,32.14942 twpcmbeC1.c1,2004,1113:30:00,25 ,449.1847,535.4295,501.5409,29.32046 twpcmbeC1.c1,2004,1114:30:00,25 ,448.3199,529.2261,489.9176,26.54652 twpcmbeC1.c1,2004,1115:30:00,25 ,451.3032,513.3599,479.3123,22.21911 twpcmbeC1.c1,2004,1116:30:00,25 ,445.6921,497.7619,471.0796,14.79519 twpcmbeC1.c1,2004,1117:30:00,25 ,441.9706,473.3756,460.7985,8.738542 twpcmbeC1.c1,2004,1118:30:00,25 ,443.3034,461.4144,452.4966,4.410928 twpcmbeC1.c1,2004,1119:30:00,25 , 441.578,459.4325, 449.411,4.530124 twpcmbeC1.c1,2004,1120:30:00,25 ,439.7108,457.6199,448.1042,4.184409 twpcmbeC1.c1,2004,1121:30:00,25 , 439.213,459.7481,447.2829,4.371278 twpcmbeC1.c1,2004,1122:30:00,25 ,439.9539,453.6543, 446.4,3.847214 twpcmbeC1.c1,2004,1123:30:00,25 ,439.6333,452.8522, 445.813,4.309632