datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2005,07 0:30:00,31 ,439.3643,455.7057,447.1223,4.537944 twpcmbeC1.c1,2005,07 1:30:00,31 ,437.9326,458.1417, 446.628,5.285273 twpcmbeC1.c1,2005,07 2:30:00,31 ,437.8964,457.9567,446.4631,5.169446 twpcmbeC1.c1,2005,07 3:30:00,31 ,438.2672, 455.167,445.5319,4.325592 twpcmbeC1.c1,2005,07 4:30:00,31 , 435.478,454.2792,445.3459,4.816869 twpcmbeC1.c1,2005,07 5:30:00,31 ,433.1772,454.5387,445.0864,4.626984 twpcmbeC1.c1,2005,07 6:30:00,31 ,438.4498,456.0588,446.9531,4.311375 twpcmbeC1.c1,2005,07 7:30:00,31 ,444.6129, 469.755,458.1311,7.562905 twpcmbeC1.c1,2005,07 8:30:00,31 ,445.9774,488.9846,472.0581,13.08578 twpcmbeC1.c1,2005,07 9:30:00,31 ,449.7129, 509.02,482.8477,18.48266 twpcmbeC1.c1,2005,0710:30:00,31 ,443.0727,521.1154,491.4201,23.61584 twpcmbeC1.c1,2005,0711:30:00,31 ,442.6362,527.5281,491.1204,26.04643 twpcmbeC1.c1,2005,0712:30:00,31 ,441.3034,536.2397, 491.128, 30.8436 twpcmbeC1.c1,2005,0713:30:00,31 , 438.291, 527.462,490.5357, 29.9404 twpcmbeC1.c1,2005,0714:30:00,31 ,439.9786,521.7408,485.5993,26.63629 twpcmbeC1.c1,2005,0715:30:00,31 ,439.5009,510.7473, 479.664,21.95593 twpcmbeC1.c1,2005,0716:30:00,31 ,439.7936,492.8683,469.4412,15.24223 twpcmbeC1.c1,2005,0717:30:00,31 ,440.1035, 471.542,459.2866,8.427835 twpcmbeC1.c1,2005,0718:30:00,31 ,437.7525,460.6835,451.9011,5.628971 twpcmbeC1.c1,2005,0719:30:00,31 ,436.6522,458.1959,449.8772,5.293723 twpcmbeC1.c1,2005,0720:30:00,31 ,436.2733,457.3345, 448.859, 5.25886 twpcmbeC1.c1,2005,0721:30:00,31 ,436.9755,457.9205,448.4785,4.924215 twpcmbeC1.c1,2005,0722:30:00,31 ,440.7374,456.3987,448.4724,4.513886 twpcmbeC1.c1,2005,0723:30:00,31 ,439.3327,456.2027, 448.039,4.526993