datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2005,03 0:30:00,28 ,0.012732,0.232946, 0.03296,0.042363
sgpcmbeC1.c1,2005,03 1:30:00,28 ,0.011557,0.060784,0.026854,0.012704
sgpcmbeC1.c1,2005,03 2:30:00,28 ,0.005981,0.086052,0.032068,0.019243
sgpcmbeC1.c1,2005,03 3:30:00,27 ,0.011192,0.085869,0.029278,0.017465
sgpcmbeC1.c1,2005,03 4:30:00,26 , 0.01299,0.395419,0.044067,0.074719
sgpcmbeC1.c1,2005,03 5:30:00,24 ,0.011194,0.209646,0.029765,0.040113
sgpcmbeC1.c1,2005,03 6:30:00,25 , 0.01246, 0.26181,0.035082,0.049369
sgpcmbeC1.c1,2005,03 7:30:00,27 ,0.011435,0.238554,0.043602,0.057351
sgpcmbeC1.c1,2005,03 8:30:00,29 ,0.011102,0.203129,0.032122,0.040062
sgpcmbeC1.c1,2005,03 9:30:00,30 ,0.011322,0.288814,0.042765, 0.06249
sgpcmbeC1.c1,2005,0310:30:00,30 ,0.012451,0.088019,0.029316,0.019059
sgpcmbeC1.c1,2005,0311:30:00,29 ,0.013643,0.408567,0.045849,0.073057
sgpcmbeC1.c1,2005,0312:30:00,29 ,0.011727, 0.09291,0.033234,0.020081
sgpcmbeC1.c1,2005,0313:30:00,29 ,  0.0156,0.158856,0.039028,0.028678
sgpcmbeC1.c1,2005,0314:30:00,29 ,0.014356,0.072848,0.033707,0.016896
sgpcmbeC1.c1,2005,0315:30:00,29 ,0.010473,0.396774, 0.04605, 0.06999
sgpcmbeC1.c1,2005,0316:30:00,29 ,0.012976,0.427114, 0.04819,0.077352
sgpcmbeC1.c1,2005,0317:30:00,28 ,0.015944,0.124186, 0.03384,0.024555
sgpcmbeC1.c1,2005,0318:30:00,28 ,0.012127,0.191013, 0.03797,0.035883
sgpcmbeC1.c1,2005,0319:30:00,29 ,0.013855,0.282706,0.036746,0.049799
sgpcmbeC1.c1,2005,0320:30:00,29 ,0.012484,0.320455,0.047738,0.065851
sgpcmbeC1.c1,2005,0321:30:00,29 ,0.012013,0.276619,0.048037,0.063298
sgpcmbeC1.c1,2005,0322:30:00,29 ,0.013782,0.159589,0.040524,0.037151
sgpcmbeC1.c1,2005,0323:30:00,29 ,0.011342,0.148089, 0.03266, 0.03299