datastream, year, month, tod,n, min, max, mean, std twpcmbeC2.c1,1999,07 0:30:00,31 ,439.3256,456.4328,448.2336,4.266038 twpcmbeC2.c1,1999,07 1:30:00,31 ,436.4077,454.1363,447.0115, 4.12104 twpcmbeC2.c1,1999,07 2:30:00,31 ,435.9962, 452.675,446.3916,4.127487 twpcmbeC2.c1,1999,07 3:30:00,31 ,436.0374, 451.299,445.2386,4.078568 twpcmbeC2.c1,1999,07 4:30:00,31 , 436.097,449.6939,444.4667,3.837965 twpcmbeC2.c1,1999,07 5:30:00,31 ,435.6314,449.9845,443.8994,3.825773 twpcmbeC2.c1,1999,07 6:30:00,31 ,434.6786,448.5909,442.8787,3.952939 twpcmbeC2.c1,1999,07 7:30:00,31 ,437.3578,452.3727,446.3125,3.619887 twpcmbeC2.c1,1999,07 8:30:00,31 ,451.4058,467.5841,458.8205,3.983641 twpcmbeC2.c1,1999,07 9:30:00,31 ,460.9158,487.6729,473.1597, 6.34781 twpcmbeC2.c1,1999,0710:30:00,31 ,459.7242,506.9967,486.8972,10.78409 twpcmbeC2.c1,1999,0711:30:00,31 ,465.3506,522.7762,499.3317,14.43236 twpcmbeC2.c1,1999,0712:30:00,30 ,464.3303,540.0103,505.8417, 19.8644 twpcmbeC2.c1,1999,0713:30:00,31 ,449.4244,535.3112,507.4852,19.63497 twpcmbeC2.c1,1999,0714:30:00,31 ,467.5963,537.2381,506.4078, 17.5507 twpcmbeC2.c1,1999,0715:30:00,31 , 468.314,525.6882,499.6758,15.71847 twpcmbeC2.c1,1999,0716:30:00,31 ,466.5828,512.5538,490.4418,11.68662 twpcmbeC2.c1,1999,0717:30:00,31 ,463.6913,494.6013,478.0918,8.640613 twpcmbeC2.c1,1999,0718:30:00,31 , 456.192,475.1642,464.5927,6.225456 twpcmbeC2.c1,1999,0719:30:00,31 ,448.9168,465.8966,456.3645,5.016141 twpcmbeC2.c1,1999,0720:30:00,31 ,446.4297,462.1144,453.3086,4.243144 twpcmbeC2.c1,1999,0721:30:00,31 ,444.5577,458.7395,451.4268,4.045814 twpcmbeC2.c1,1999,0722:30:00,31 ,444.2645,459.1282,450.6686,3.825165 twpcmbeC2.c1,1999,0723:30:00,31 ,442.3822,456.5615,449.3663, 4.0662