datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,04 0:30:00,27 ,   0.012,0.188065,0.047424,0.045178
sgpcmbeC1.c1,2002,04 1:30:00,26 ,0.013706,0.158037,0.044217,0.032393
sgpcmbeC1.c1,2002,04 2:30:00,26 , 0.01143,0.193075,0.053906, 0.04839
sgpcmbeC1.c1,2002,04 3:30:00,24 ,0.011532,0.197977,0.047414,0.046516
sgpcmbeC1.c1,2002,04 4:30:00,26 ,0.012439,0.239353,0.060239,0.056767
sgpcmbeC1.c1,2002,04 5:30:00,24 ,0.013829, 0.16126, 0.05971,0.044189
sgpcmbeC1.c1,2002,04 6:30:00,24 ,0.012353,0.170767,0.052957, 0.04573
sgpcmbeC1.c1,2002,04 7:30:00,26 ,0.012689,0.170186,0.048519,0.037855
sgpcmbeC1.c1,2002,04 8:30:00,25 ,0.012461,0.209825,0.047128,0.050193
sgpcmbeC1.c1,2002,04 9:30:00,29 ,0.010702,0.207713,0.051824,0.048762
sgpcmbeC1.c1,2002,0410:30:00,29 ,0.014228, 0.15845,0.050494,0.036265
sgpcmbeC1.c1,2002,0411:30:00,30 ,0.013562,0.135763,0.046742, 0.02889
sgpcmbeC1.c1,2002,0412:30:00,30 ,0.016138,0.193789,0.062726,0.048001
sgpcmbeC1.c1,2002,0413:30:00,29 ,0.016667,0.171628,0.063905,0.042665
sgpcmbeC1.c1,2002,0414:30:00,29 ,0.016126, 0.21713,0.061816,0.050827
sgpcmbeC1.c1,2002,0415:30:00,29 ,0.014489,0.394744,0.065622,0.073365
sgpcmbeC1.c1,2002,0416:30:00,29 , 0.01225,0.249469,0.059222,0.045427
sgpcmbeC1.c1,2002,0417:30:00,29 ,0.015711,0.203676,0.058564,0.045269
sgpcmbeC1.c1,2002,0418:30:00,29 ,0.010755,0.177494,0.049042, 0.03992
sgpcmbeC1.c1,2002,0419:30:00,29 ,0.011502,0.262129,0.052583,0.050122
sgpcmbeC1.c1,2002,0420:30:00,28 ,0.014623,0.126511,0.045533,0.032522
sgpcmbeC1.c1,2002,0421:30:00,28 ,0.013107,0.156119, 0.05063,0.036196
sgpcmbeC1.c1,2002,0422:30:00,26 ,0.012984,0.170141,0.049433,0.040154
sgpcmbeC1.c1,2002,0423:30:00,27 ,0.013886,0.463038,0.083798,0.107225