datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,09 0:30:00,30 ,       0,0.085799, 0.00286,0.015665
sgpcmbeC1.c1,2006,09 1:30:00,30 ,       0,0.814352,0.030235,0.149059
sgpcmbeC1.c1,2006,09 2:30:00,30 ,       0,0.003296, 0.00011,0.000602
sgpcmbeC1.c1,2006,09 3:30:00,30 ,       0, 0.14246,0.008098,0.031007
sgpcmbeC1.c1,2006,09 4:30:00,30 ,       0,0.207611,0.020227,0.054517
sgpcmbeC1.c1,2006,09 5:30:00,30 ,       0,0.119252,0.005923,0.023914
sgpcmbeC1.c1,2006,09 6:30:00,30 ,0.077524,11.65262,6.846026,3.360068
sgpcmbeC1.c1,2006,09 7:30:00,30 ,0.327132,24.42332,12.23897,6.465074
sgpcmbeC1.c1,2006,09 8:30:00,30 ,2.251104,35.07693,12.20895,6.747872
sgpcmbeC1.c1,2006,09 9:30:00,30 ,1.751086,44.51485,12.27827,9.557455
sgpcmbeC1.c1,2006,0910:30:00,30 ,3.028508,38.42909,10.11845,9.040231
sgpcmbeC1.c1,2006,0911:30:00,30 ,1.488958,54.45058,16.74461,17.19912
sgpcmbeC1.c1,2006,0912:30:00,30 ,0.392926,63.36528, 17.5546,19.58749
sgpcmbeC1.c1,2006,0913:30:00,30 ,3.060463,59.79239, 17.7265,15.09682
sgpcmbeC1.c1,2006,0914:30:00,30 ,5.738471,61.48719,19.40491,14.67828
sgpcmbeC1.c1,2006,0915:30:00,30 ,6.627271,42.65328,18.06261, 11.4532
sgpcmbeC1.c1,2006,0916:30:00,30 , 2.00493,31.12256,16.59536, 7.77557
sgpcmbeC1.c1,2006,0917:30:00,30 ,2.376505, 21.2465, 13.1113,4.357322
sgpcmbeC1.c1,2006,0918:30:00,30 ,       0,10.00856,4.065262,2.624664
sgpcmbeC1.c1,2006,0919:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0920:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0921:30:00,30 ,       0,0.010999,0.000367,0.002008
sgpcmbeC1.c1,2006,0922:30:00,30 ,       0,0.035005,0.001167,0.006391
sgpcmbeC1.c1,2006,0923:30:00,30 ,       0,0.009213,0.000307,0.001682