datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2000,09 0:30:00,30 ,       0,0.173262,0.052828,0.043318
twpcmbeC2.c1,2000,09 1:30:00,30 ,       0,0.110309,0.047289,0.034438
twpcmbeC2.c1,2000,09 2:30:00,30 ,       0,0.201107,0.065401,0.046737
twpcmbeC2.c1,2000,09 3:30:00,30 ,       0, 0.24268,0.069375,0.057308
twpcmbeC2.c1,2000,09 4:30:00,30 ,       0,0.356127,0.088921,0.093251
twpcmbeC2.c1,2000,09 5:30:00,30 ,       0,0.303655, 0.08227,0.086524
twpcmbeC2.c1,2000,09 6:30:00,30 ,       0,9.893283,5.650423,2.173183
twpcmbeC2.c1,2000,09 7:30:00,30 ,3.466888,36.19518, 18.6858,7.931203
twpcmbeC2.c1,2000,09 8:30:00,30 ,3.261374,55.76057,20.15288,13.67708
twpcmbeC2.c1,2000,09 9:30:00,30 ,2.455188,71.58481,  31.232,20.51576
twpcmbeC2.c1,2000,0910:30:00,30 ,1.474536,141.4154,46.16205,33.39197
twpcmbeC2.c1,2000,0911:30:00,30 ,1.664363,151.5824,54.85138, 34.3605
twpcmbeC2.c1,2000,0912:30:00,30 , 1.58927, 139.818,49.81823,31.74233
twpcmbeC2.c1,2000,0913:30:00,30 ,8.585101,132.3975,60.86789,30.84412
twpcmbeC2.c1,2000,0914:30:00,30 , 10.5984,106.6349,46.74919,21.09427
twpcmbeC2.c1,2000,0915:30:00,30 ,6.359863,130.5753,36.54593, 24.7953
twpcmbeC2.c1,2000,0916:30:00,30 , 2.51186,83.78845,29.83793,20.44748
twpcmbeC2.c1,2000,0917:30:00,30 ,4.447163,55.56042,25.64906,13.78289
twpcmbeC2.c1,2000,0918:30:00,30 ,6.854557,45.50309,20.81945,7.641708
twpcmbeC2.c1,2000,0919:30:00,30 ,       0,0.372093,0.082347,0.108185
twpcmbeC2.c1,2000,0920:30:00,30 ,       0,0.122606,0.037171,0.038499
twpcmbeC2.c1,2000,0921:30:00,30 ,       0,0.096839,0.034527,0.032037
twpcmbeC2.c1,2000,0922:30:00,30 ,       0, 0.12999,0.049889,0.038485
twpcmbeC2.c1,2000,0923:30:00,30 ,       0,0.158009,0.055738,0.042042