datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2003,07 0:30:00,31 ,439.9713,460.2646,452.4506,5.192966 twpcmbeC1.c1,2003,07 1:30:00,31 ,441.0528,460.0793,451.6664,4.612674 twpcmbeC1.c1,2003,07 2:30:00,31 ,441.4546,462.1821,451.8452,4.789968 twpcmbeC1.c1,2003,07 3:30:00,31 ,439.2287,459.4882,451.2435,5.616423 twpcmbeC1.c1,2003,07 4:30:00,31 , 439.212, 460.873,451.0987,6.042825 twpcmbeC1.c1,2003,07 5:30:00,31 ,439.4308,460.2379,450.2551,5.767652 twpcmbeC1.c1,2003,07 6:30:00,31 ,441.1978,461.4282,451.9252,5.119172 twpcmbeC1.c1,2003,07 7:30:00,31 ,452.4082,476.0625,463.4345, 6.17104 twpcmbeC1.c1,2003,07 8:30:00,31 ,451.5015,496.5721,477.8736,13.58711 twpcmbeC1.c1,2003,07 9:30:00,31 ,453.0385,516.5001,489.1013,20.67289 twpcmbeC1.c1,2003,0710:30:00,31 ,458.0299,534.3732,499.2633,23.35899 twpcmbeC1.c1,2003,0711:30:00,31 ,456.6799,541.7493,508.4317,25.84613 twpcmbeC1.c1,2003,0712:30:00,30 ,456.2804, 541.603,510.0171,26.43463 twpcmbeC1.c1,2003,0713:30:00,31 ,462.7613,545.1342,508.7488,25.38682 twpcmbeC1.c1,2003,0714:30:00,31 ,463.4659,538.4469,502.7815,22.35651 twpcmbeC1.c1,2003,0715:30:00,31 ,463.9336,526.5525,496.9232,18.40522 twpcmbeC1.c1,2003,0716:30:00,31 ,457.1985,510.0748, 482.164,12.86371 twpcmbeC1.c1,2003,0717:30:00,31 ,457.1222,485.5122,469.1312,7.364681 twpcmbeC1.c1,2003,0718:30:00,31 ,452.0524,464.6078,459.5265,3.290575 twpcmbeC1.c1,2003,0719:30:00,31 ,450.2399,463.3653,456.6092,3.372703 twpcmbeC1.c1,2003,0720:30:00,31 ,445.8022,463.4457,455.4462, 4.05048 twpcmbeC1.c1,2003,0721:30:00,31 ,443.7785,464.2953,454.5873,4.674041 twpcmbeC1.c1,2003,0722:30:00,31 ,443.6862,461.0244, 454.065, 4.60104 twpcmbeC1.c1,2003,0723:30:00,31 ,443.2437,461.8265,454.1304,4.415728