datastream, year, month, tod,n, min, max, mean, std twpcmbeC1.c1,1997,08 0:30:00,30 ,438.2617,455.5739, 446.001,4.344046 twpcmbeC1.c1,1997,08 1:30:00,30 ,433.1297,453.1228,445.0196,4.826488 twpcmbeC1.c1,1997,08 2:30:00,30 ,436.3572,451.7073,445.0902,4.399839 twpcmbeC1.c1,1997,08 3:30:00,30 ,437.9053,451.4379,445.1569,4.139817 twpcmbeC1.c1,1997,08 4:30:00,30 ,435.4834, 452.929,445.1885,3.957562 twpcmbeC1.c1,1997,08 5:30:00,30 ,436.7057,453.3989,445.5798, 3.67104 twpcmbeC1.c1,1997,08 6:30:00,30 ,438.4672,454.0396,448.5861,3.736538 twpcmbeC1.c1,1997,08 7:30:00,30 ,448.2694,473.3093,464.1557,5.688805 twpcmbeC1.c1,1997,08 8:30:00,29 , 443.19,503.3887,485.6806,12.86767 twpcmbeC1.c1,1997,08 9:30:00,28 ,452.7792,533.2367,503.8094,19.73057 twpcmbeC1.c1,1997,0810:30:00,29 ,445.1771,557.8503,521.7655,22.23289 twpcmbeC1.c1,1997,0811:30:00,29 ,445.4508,573.3021,530.4653, 23.248 twpcmbeC1.c1,1997,0812:30:00,30 ,452.7787,579.7155,538.3295,23.90563 twpcmbeC1.c1,1997,0813:30:00,30 ,469.9037,579.2701, 535.909,21.65797 twpcmbeC1.c1,1997,0814:30:00,30 ,463.8124,577.9646,526.3583,21.93599 twpcmbeC1.c1,1997,0815:30:00,31 ,467.3778,535.0704,510.9594,14.68755 twpcmbeC1.c1,1997,0816:30:00,31 ,468.0241,505.7708,491.0855,9.105051 twpcmbeC1.c1,1997,0817:30:00,31 ,453.7039,480.6131,467.5159,4.684535 twpcmbeC1.c1,1997,0818:30:00,31 ,443.1435,458.9611,452.2329,2.953264 twpcmbeC1.c1,1997,0819:30:00,31 ,440.6724,457.0602,449.3516,3.456272 twpcmbeC1.c1,1997,0820:30:00,30 ,441.1266,456.1618,448.4909,3.581793 twpcmbeC1.c1,1997,0821:30:00,30 ,441.8559,455.3259,447.8066, 3.31568 twpcmbeC1.c1,1997,0822:30:00,30 ,439.5528,454.9185,447.1387,3.657478 twpcmbeC1.c1,1997,0823:30:00,30 ,438.3589, 454.705,446.4914, 3.90737