datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,09 0:30:00,30 ,       0,0.179739,0.008836,0.035839
sgpcmbeC1.c1,2001,09 1:30:00,30 ,       0,0.618227,0.026169,0.114701
sgpcmbeC1.c1,2001,09 2:30:00,30 ,       0,0.241816,0.012647,0.050039
sgpcmbeC1.c1,2001,09 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,09 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,09 5:30:00,30 ,       0, 0.36962,0.018077,0.073494
sgpcmbeC1.c1,2001,09 6:30:00,30 , 0.95842,12.22484,6.197498,3.823586
sgpcmbeC1.c1,2001,09 7:30:00,30 ,1.359751,20.31918,10.80401,5.307429
sgpcmbeC1.c1,2001,09 8:30:00,29 ,0.155043,36.13823,12.18026,7.441827
sgpcmbeC1.c1,2001,09 9:30:00,30 ,0.697636, 38.5802,13.70673,10.81869
sgpcmbeC1.c1,2001,0910:30:00,30 ,2.609914, 46.1666,11.58561,12.08502
sgpcmbeC1.c1,2001,0911:30:00,30 ,1.416734,47.75463,13.65281,14.86464
sgpcmbeC1.c1,2001,0912:30:00,30 ,0.539506,53.44649,15.64422,16.48848
sgpcmbeC1.c1,2001,0913:30:00,30 , 2.56243,86.14348,18.73101,22.03542
sgpcmbeC1.c1,2001,0914:30:00,30 ,4.424356,48.15912,16.39791,14.61508
sgpcmbeC1.c1,2001,0915:30:00,30 ,4.537808,41.46204,14.35441, 10.7287
sgpcmbeC1.c1,2001,0916:30:00,30 ,0.935925,25.55272,12.10538,6.126854
sgpcmbeC1.c1,2001,0917:30:00,30 ,0.495222,19.19407,11.35489,5.097397
sgpcmbeC1.c1,2001,0918:30:00,30 ,0.840028,11.26617,4.275582,3.374162
sgpcmbeC1.c1,2001,0919:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0920:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0921:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0922:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0923:30:00,30 ,       0,       0,       0,       0