datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2007,01 0:30:00,30 ,       0,0.394617,0.030514, 0.08404
twpcmbeC1.c1,2007,01 1:30:00,31 ,       0, 0.63319,0.059242,0.138937
twpcmbeC1.c1,2007,01 2:30:00,31 ,       0,0.245285,0.032575,0.068617
twpcmbeC1.c1,2007,01 3:30:00,31 ,       0,0.118261,0.014319,0.033247
twpcmbeC1.c1,2007,01 4:30:00,31 ,       0,0.118014,0.007934,0.029191
twpcmbeC1.c1,2007,01 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2007,01 6:30:00,31 ,0.003856,11.87117,2.666926,3.323732
twpcmbeC1.c1,2007,01 7:30:00,31 ,0.001901, 190.179,57.51128, 60.4068
twpcmbeC1.c1,2007,01 8:30:00,31 ,0.163311,410.7157,140.1257,145.3078
twpcmbeC1.c1,2007,01 9:30:00,31 ,0.067741,600.3751,179.8012,203.0923
twpcmbeC1.c1,2007,0110:30:00,31 ,  0.1745,755.2211,202.3301,227.5345
twpcmbeC1.c1,2007,0111:30:00,31 ,0.687561,864.7776,229.3566,290.1504
twpcmbeC1.c1,2007,0112:30:00,31 ,0.466583, 895.512,216.1656,280.8095
twpcmbeC1.c1,2007,0113:30:00,31 ,0.111649, 823.739,189.2055,241.6328
twpcmbeC1.c1,2007,0114:30:00,31 , 0.33976,706.6472,139.3375,187.6376
twpcmbeC1.c1,2007,0115:30:00,31 ,0.009033,512.2463,78.88818,143.6603
twpcmbeC1.c1,2007,0116:30:00,31 ,       0,277.5488,35.47765,69.07613
twpcmbeC1.c1,2007,0117:30:00,31 ,       0, 100.538,10.13065,23.09862
twpcmbeC1.c1,2007,0118:30:00,31 ,       0,4.265162,0.235828,0.810286
twpcmbeC1.c1,2007,0119:30:00,31 ,       0,0.023858,0.002449,0.006076
twpcmbeC1.c1,2007,0120:30:00,31 ,       0,0.319997, 0.02521,0.068595
twpcmbeC1.c1,2007,0121:30:00,31 ,       0,0.393088,0.042213,0.092037
twpcmbeC1.c1,2007,0122:30:00,31 ,       0,0.466063, 0.04305,0.106732
twpcmbeC1.c1,2007,0123:30:00,30 ,       0,0.892825, 0.08258,0.212113