datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2005,09 0:30:00,30 ,       0,0.233555,0.029983,0.071681
twpcmbeC1.c1,2005,09 1:30:00,30 ,       0,0.395143,0.016575,0.072286
twpcmbeC1.c1,2005,09 2:30:00,30 ,       0,0.076032,0.002534,0.013882
twpcmbeC1.c1,2005,09 3:30:00,30 ,       0,0.023825,0.001146,0.004697
twpcmbeC1.c1,2005,09 4:30:00,30 ,       0,       0,       0,       0
twpcmbeC1.c1,2005,09 5:30:00,30 ,       0,0.002534,0.000152,0.000519
twpcmbeC1.c1,2005,09 6:30:00,30 ,       0,44.26009,6.193752,11.00293
twpcmbeC1.c1,2005,09 7:30:00,30 ,0.091937,203.4964,60.68692,80.53359
twpcmbeC1.c1,2005,09 8:30:00,30 ,0.062828,476.0929,162.9304, 190.854
twpcmbeC1.c1,2005,09 9:30:00,30 ,0.206476, 650.456,224.2361, 257.661
twpcmbeC1.c1,2005,0910:30:00,30 ,0.353012,783.6522,265.0841,276.2684
twpcmbeC1.c1,2005,0911:30:00,30 ,  0.0308,849.4611,272.9849,287.2237
twpcmbeC1.c1,2005,0912:30:00,30 , 1.31694,804.0964,212.6474,250.9291
twpcmbeC1.c1,2005,0913:30:00,30 ,0.355255,752.2456,197.1129, 248.192
twpcmbeC1.c1,2005,0914:30:00,30 ,0.488342,689.6768,180.1928,209.8901
twpcmbeC1.c1,2005,0915:30:00,30 ,  0.0149,535.5159,111.8968,159.8102
twpcmbeC1.c1,2005,0916:30:00,30 ,       0,302.3211,53.07548,81.34434
twpcmbeC1.c1,2005,0917:30:00,30 , 0.00753,78.69365,9.735337,17.89756
twpcmbeC1.c1,2005,0918:30:00,30 ,       0,0.021288,0.002424,0.004295
twpcmbeC1.c1,2005,0919:30:00,30 ,       0,0.017047,0.000568,0.003112
twpcmbeC1.c1,2005,0920:30:00,30 ,       0,0.039528,0.001318,0.007217
twpcmbeC1.c1,2005,0921:30:00,30 ,       0,0.284958,0.009499,0.052026
twpcmbeC1.c1,2005,0922:30:00,30 ,       0,0.196548,0.007247,0.035955
twpcmbeC1.c1,2005,0923:30:00,30 ,       0,0.280005,0.018694,0.061167