datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,20 ,       0,0.034128,0.002963,0.009237
sgpcmbeC1.c1,2000,01 1:30:00,21 ,       0,0.089272,0.005952,0.020618
sgpcmbeC1.c1,2000,01 2:30:00,22 ,       0,0.066909,0.004899,0.015444
sgpcmbeC1.c1,2000,01 3:30:00,22 ,       0,0.082278,0.007185,0.023279
sgpcmbeC1.c1,2000,01 4:30:00,23 ,       0,0.037954, 0.00165,0.007914
sgpcmbeC1.c1,2000,01 5:30:00,27 ,       0,0.004674,0.000173,0.000899
sgpcmbeC1.c1,2000,01 6:30:00,27 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,01 7:30:00,29 ,0.246973,9.106281,1.198752,1.665079
sgpcmbeC1.c1,2000,01 8:30:00,29 ,0.068634, 90.2748,36.78294,32.82897
sgpcmbeC1.c1,2000,01 9:30:00,29 ,0.155399,259.4178,110.3412,98.52687
sgpcmbeC1.c1,2000,0110:30:00,29 ,0.196419,405.3906,166.7266,156.8736
sgpcmbeC1.c1,2000,0111:30:00,29 ,0.033661,491.2617,218.4473,200.5283
sgpcmbeC1.c1,2000,0112:30:00,29 ,0.088593,509.0702,246.1796,202.1894
sgpcmbeC1.c1,2000,0113:30:00,29 ,0.001022,478.8499,226.9709,201.3249
sgpcmbeC1.c1,2000,0114:30:00,29 ,       0,398.9526,171.6295,158.4118
sgpcmbeC1.c1,2000,0115:30:00,29 ,0.028496,270.7643,109.3365, 109.552
sgpcmbeC1.c1,2000,0116:30:00,29 ,0.003258,119.8408,44.57707,44.31719
sgpcmbeC1.c1,2000,0117:30:00,29 ,0.244459,13.86503, 3.50208, 3.97186
sgpcmbeC1.c1,2000,0118:30:00,29 ,       0,0.066294,0.006122,0.017024
sgpcmbeC1.c1,2000,0119:30:00,29 ,       0,0.034439,0.001929,0.007023
sgpcmbeC1.c1,2000,0120:30:00,28 ,       0,0.010018,0.000547,0.002108
sgpcmbeC1.c1,2000,0121:30:00,27 ,       0,0.163919,0.010544,0.035341
sgpcmbeC1.c1,2000,0122:30:00,23 ,       0,0.112443, 0.00579,0.023577
sgpcmbeC1.c1,2000,0123:30:00,22 ,       0,0.044181,0.002788,0.009712