datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,09 0:30:00,29 ,       0,0.447301,0.058491,0.125022
twpcmbeC2.c1,2004,09 1:30:00,29 ,       0,0.507711,0.071437,0.161765
twpcmbeC2.c1,2004,09 2:30:00,29 ,       0,0.396791,0.032051,0.098125
twpcmbeC2.c1,2004,09 3:30:00,30 ,       0,0.383315,0.029548, 0.08588
twpcmbeC2.c1,2004,09 4:30:00,30 ,       0,0.270011, 0.04411,0.086558
twpcmbeC2.c1,2004,09 5:30:00,30 ,       0,0.151288,0.012176,0.037867
twpcmbeC2.c1,2004,09 6:30:00,30 ,2.536799,9.663665,5.248886, 1.85044
twpcmbeC2.c1,2004,09 7:30:00,30 ,8.364683,103.3875,61.46235,24.90842
twpcmbeC2.c1,2004,09 8:30:00,30 ,18.56878,159.1261,  97.318,33.83146
twpcmbeC2.c1,2004,09 9:30:00,30 ,37.66716,234.7259,124.1211,50.76098
twpcmbeC2.c1,2004,0910:30:00,30 ,48.03868,326.9117,168.7953,85.74383
twpcmbeC2.c1,2004,0911:30:00,30 ,22.05962,343.0994,188.5708,95.33659
twpcmbeC2.c1,2004,0912:30:00,30 ,11.74228, 367.019,189.0119, 102.561
twpcmbeC2.c1,2004,0913:30:00,30 ,17.67319, 444.124, 206.439,119.3529
twpcmbeC2.c1,2004,0914:30:00,30 ,10.21449,367.1289,179.5641,96.74992
twpcmbeC2.c1,2004,0915:30:00,30 , 19.2718,286.6222,144.5165,75.36759
twpcmbeC2.c1,2004,0916:30:00,30 ,21.69804,228.4124,119.0682,65.56461
twpcmbeC2.c1,2004,0917:30:00,30 ,27.31546,175.2151,  78.643,34.19284
twpcmbeC2.c1,2004,0918:30:00,30 ,2.221288, 61.1623,36.62267,15.08514
twpcmbeC2.c1,2004,0919:30:00,30 ,       0,1.165929,0.149011, 0.27201
twpcmbeC2.c1,2004,0920:30:00,30 ,       0, 0.31724,0.020919,0.079615
twpcmbeC2.c1,2004,0921:30:00,30 ,       0,0.430265,0.026662,0.101777
twpcmbeC2.c1,2004,0922:30:00,30 ,       0,0.344727,0.029926,0.084359
twpcmbeC2.c1,2004,0923:30:00,30 ,       0,0.463715,0.043577,0.122323