datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,2005,08 0:30:00,31 ,436.9774,453.1753,445.5113,4.081834 twpcmbeC2.c1,2005,08 1:30:00,31 ,433.7167,451.9056,445.0174,4.421026 twpcmbeC2.c1,2005,08 2:30:00,31 ,432.7875,452.9137,443.9054,4.531191 twpcmbeC2.c1,2005,08 3:30:00,31 ,432.1789,451.1086,443.3356,4.613027 twpcmbeC2.c1,2005,08 4:30:00,31 ,430.5717,450.8355,442.7717,4.942435 twpcmbeC2.c1,2005,08 5:30:00,31 , 432.011,450.7872, 442.241,5.217594 twpcmbeC2.c1,2005,08 6:30:00,31 ,432.1017,450.0318, 442.136, 5.03418 twpcmbeC2.c1,2005,08 7:30:00,31 ,439.2486,456.9573,449.1175,4.087625 twpcmbeC2.c1,2005,08 8:30:00,31 ,439.4603,479.1846,468.9012,8.277775 twpcmbeC2.c1,2005,08 9:30:00,31 ,446.3724,504.7181,485.9638,10.90241 twpcmbeC2.c1,2005,0810:30:00,31 ,470.0578,520.1552,500.9249,11.09519 twpcmbeC2.c1,2005,0811:30:00,31 ,476.7561,537.1621,512.7355,12.27291 twpcmbeC2.c1,2005,0812:30:00,31 ,474.1634, 541.541,517.6986,15.61333 twpcmbeC2.c1,2005,0813:30:00,31 , 471.425,549.3758,517.7909,17.21333 twpcmbeC2.c1,2005,0814:30:00,31 ,459.4634,547.2687,512.0235, 18.2047 twpcmbeC2.c1,2005,0815:30:00,31 ,453.9247, 540.127, 504.592,16.64595 twpcmbeC2.c1,2005,0816:30:00,31 ,444.1271,512.3262,491.3645,13.97856 twpcmbeC2.c1,2005,0817:30:00,31 ,441.9455,493.8972,477.5641,9.083601 twpcmbeC2.c1,2005,0818:30:00,31 ,441.8887,471.4089,460.7026,5.086275 twpcmbeC2.c1,2005,0819:30:00,31 , 438.402,464.3589, 452.356,4.316482 twpcmbeC2.c1,2005,0820:30:00,31 , 444.946,462.2606,450.0123, 4.02532 twpcmbeC2.c1,2005,0821:30:00,31 , 442.025,455.4609,448.3173,3.451379 twpcmbeC2.c1,2005,0822:30:00,31 ,439.6369,455.6205,447.2473,3.830108 twpcmbeC2.c1,2005,0823:30:00,31 ,437.5143,453.2919,446.0112,3.872037