datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,2005,06 0:30:00,30 ,438.7396,458.2757,448.6665,4.903447 twpcmbeC1.c1,2005,06 1:30:00,30 ,438.3497,458.0949,448.3289,4.793919 twpcmbeC1.c1,2005,06 2:30:00,30 ,435.0922,458.0868,447.4119,5.465697 twpcmbeC1.c1,2005,06 3:30:00,30 ,435.4102,458.3564,446.9013,5.469024 twpcmbeC1.c1,2005,06 4:30:00,30 ,435.4617,458.3223,446.4605,5.756381 twpcmbeC1.c1,2005,06 5:30:00,30 ,436.4773,456.8209,446.2288,5.585902 twpcmbeC1.c1,2005,06 6:30:00,30 ,438.3715,459.1472,449.0364,5.394941 twpcmbeC1.c1,2005,06 7:30:00,30 ,445.2203,479.0107,464.5399,7.549295 twpcmbeC1.c1,2005,06 8:30:00,30 ,445.6913,494.8554,478.9466,14.31373 twpcmbeC1.c1,2005,06 9:30:00,30 ,447.9117,515.0571,491.8886,20.92529 twpcmbeC1.c1,2005,0610:30:00,30 ,449.3721,528.3958,503.7713,21.73511 twpcmbeC1.c1,2005,0611:30:00,30 ,446.4391, 535.942,510.7689,21.52395 twpcmbeC1.c1,2005,0612:30:00,30 ,447.1596,539.7706,507.7921,23.70917 twpcmbeC1.c1,2005,0613:30:00,30 ,450.9314,537.4843,506.5767,23.71133 twpcmbeC1.c1,2005,0614:30:00,30 ,445.9735,529.7577,499.1737,24.20148 twpcmbeC1.c1,2005,0615:30:00,30 ,444.0014,518.9465,493.1965,20.77539 twpcmbeC1.c1,2005,0616:30:00,30 ,446.1647,499.0534, 478.998,13.27348 twpcmbeC1.c1,2005,0617:30:00,30 , 443.852,473.6574,463.4891,7.709266 twpcmbeC1.c1,2005,0618:30:00,30 ,441.4596,460.2562,454.3221,4.322862 twpcmbeC1.c1,2005,0619:30:00,30 ,439.9497,458.2951,451.9537,4.182575 twpcmbeC1.c1,2005,0620:30:00,30 ,441.4605,457.3158,450.6887,4.212692 twpcmbeC1.c1,2005,0621:30:00,30 ,440.4941,458.1955,450.1877,4.664907 twpcmbeC1.c1,2005,0622:30:00,30 ,438.1749,457.1487,449.4598,4.819161 twpcmbeC1.c1,2005,0623:30:00,30 ,438.0032,457.3795,448.9191, 5.16449