datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,05 0:30:00,31 ,401.7112,442.9066,  420.05,11.34909
twpcmbeC1.c1,2006,05 1:30:00,31 , 401.261,436.9268,418.6234,9.806226
twpcmbeC1.c1,2006,05 2:30:00,31 ,398.8566,448.0948, 417.891,11.45855
twpcmbeC1.c1,2006,05 3:30:00,31 ,398.8874,440.9663,416.6169,10.81546
twpcmbeC1.c1,2006,05 4:30:00,31 ,398.4247,435.3303,415.4908,9.329166
twpcmbeC1.c1,2006,05 5:30:00,31 ,396.8324,441.0892,416.1241,9.380678
twpcmbeC1.c1,2006,05 6:30:00,31 ,395.7321,443.1445,415.6017,9.927874
twpcmbeC1.c1,2006,05 7:30:00,31 , 403.096,444.0723,420.1619,9.005264
twpcmbeC1.c1,2006,05 8:30:00,31 ,409.4088,446.7158,424.7301,8.415252
twpcmbeC1.c1,2006,05 9:30:00,31 ,412.5288,442.8619,425.3589,7.399786
twpcmbeC1.c1,2006,0510:30:00,31 ,411.9748,444.2477,429.2049,8.741298
twpcmbeC1.c1,2006,0511:30:00,31 ,415.2925,451.5082,431.0854, 9.72061
twpcmbeC1.c1,2006,0512:30:00,31 ,413.4362, 447.692,430.8985,8.444201
twpcmbeC1.c1,2006,0513:30:00,31 ,  412.09,450.0987,431.7246,10.18867
twpcmbeC1.c1,2006,0514:30:00,31 ,413.6822,  454.65,429.9884,9.250326
twpcmbeC1.c1,2006,0515:30:00,31 , 414.737,445.9127,430.6013,8.471827
twpcmbeC1.c1,2006,0516:30:00,31 ,412.2465,443.2116,426.7485,8.240909
twpcmbeC1.c1,2006,0517:30:00,31 ,408.7044,438.6434,423.6646,7.475845
twpcmbeC1.c1,2006,0518:30:00,31 ,408.9336, 443.707,421.6697, 8.81229
twpcmbeC1.c1,2006,0519:30:00,31 ,402.6342,442.5464,420.3411,9.536244
twpcmbeC1.c1,2006,0520:30:00,31 ,400.3235,438.2273,  419.17, 9.46736
twpcmbeC1.c1,2006,0521:30:00,31 ,399.5519,435.7479,419.3229,9.819452
twpcmbeC1.c1,2006,0522:30:00,31 ,398.7086,440.1459,417.8453,9.155395
twpcmbeC1.c1,2006,0523:30:00,31 , 400.776,445.3462,419.1346,11.66514