datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1997,09 0:30:00,30 ,       0,0.199406,0.047634,0.057283
twpcmbeC1.c1,1997,09 1:30:00,30 ,       0,0.221029,0.053772,0.065173
twpcmbeC1.c1,1997,09 2:30:00,30 ,       0,0.221421,0.045701,0.062486
twpcmbeC1.c1,1997,09 3:30:00,30 ,       0,0.275278,0.050629,0.074793
twpcmbeC1.c1,1997,09 4:30:00,30 ,       0,0.254395,0.041729,0.070113
twpcmbeC1.c1,1997,09 5:30:00,30 ,       0,2.637326,0.500936,0.483092
twpcmbeC1.c1,1997,09 6:30:00,30 ,13.96208,45.31081,27.98318, 7.66605
twpcmbeC1.c1,1997,09 7:30:00,30 ,8.865222,51.82969,29.32952,11.89252
twpcmbeC1.c1,1997,09 8:30:00,30 , 3.94513,70.88411,34.37785,18.43504
twpcmbeC1.c1,1997,09 9:30:00,30 ,5.171103,78.01293, 34.9916,21.13282
twpcmbeC1.c1,1997,0910:30:00,30 ,4.565392, 94.1508,38.08274,23.86359
twpcmbeC1.c1,1997,0911:30:00,30 ,3.680253,147.4282,40.74743,34.55419
twpcmbeC1.c1,1997,0912:30:00,30 ,2.698661,172.9689,46.20189,35.42075
twpcmbeC1.c1,1997,0913:30:00,30 ,2.253322, 191.408,51.37337,50.19091
twpcmbeC1.c1,1997,0914:30:00,30 ,4.427576,125.1268,48.89421, 38.7935
twpcmbeC1.c1,1997,0915:30:00,30 ,3.959014,58.90997,26.57064,16.24083
twpcmbeC1.c1,1997,0916:30:00,30 ,4.573271,91.49535,25.06815,19.06438
twpcmbeC1.c1,1997,0917:30:00,30 ,10.07415,48.35177,24.29695,10.12912
twpcmbeC1.c1,1997,0918:30:00,30 ,  0.0753,4.518012,2.313774,1.119644
twpcmbeC1.c1,1997,0919:30:00,30 ,       0,0.181876,0.036389,0.051417
twpcmbeC1.c1,1997,0920:30:00,30 ,       0, 0.19389,0.059636,0.060647
twpcmbeC1.c1,1997,0921:30:00,30 ,       0,0.192128,0.059175,0.058424
twpcmbeC1.c1,1997,0922:30:00,30 ,       0, 0.20813,0.051709,0.057067
twpcmbeC1.c1,1997,0923:30:00,30 ,       0,0.214703,0.052757,0.061946