datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,09 0:30:00,20 ,       0,52.26979,6.914728, 12.8554
sgpcmbeC1.c1,2001,09 1:30:00,19 ,       0,68.72142,8.206861, 16.2641
sgpcmbeC1.c1,2001,09 2:30:00,18 ,       0, 37.8696,7.670943,11.45073
sgpcmbeC1.c1,2001,09 3:30:00,18 ,       0,24.54401,4.990337,7.574315
sgpcmbeC1.c1,2001,09 4:30:00,18 ,       0,46.71057,5.840432,11.68776
sgpcmbeC1.c1,2001,09 5:30:00,18 ,       0,79.72012,9.906172,20.76421
sgpcmbeC1.c1,2001,09 6:30:00,16 ,       0,199.4291,17.03358,49.06938
sgpcmbeC1.c1,2001,09 7:30:00,16 ,       0,31.08386,5.463917,9.376888
sgpcmbeC1.c1,2001,09 8:30:00,24 ,       0,88.57764,9.751085,20.57486
sgpcmbeC1.c1,2001,09 9:30:00,24 ,       0,73.06293,13.16539,23.02493
sgpcmbeC1.c1,2001,0910:30:00,25 ,       0,64.31635,12.14979,19.23063
sgpcmbeC1.c1,2001,0911:30:00,25 ,       0, 80.9477,12.28248,24.80982
sgpcmbeC1.c1,2001,0912:30:00,24 ,       0,110.4828,11.86583,24.74392
sgpcmbeC1.c1,2001,0913:30:00,22 ,       0, 104.418,9.051955,22.33621
sgpcmbeC1.c1,2001,0914:30:00,23 ,       0,42.75813, 8.55771, 13.4243
sgpcmbeC1.c1,2001,0915:30:00,23 ,       0,110.1263,12.20637,25.71502
sgpcmbeC1.c1,2001,0916:30:00,23 ,       0,39.59018,7.252279,10.84711
sgpcmbeC1.c1,2001,0917:30:00,22 ,       0,27.16279,4.006603,6.313666
sgpcmbeC1.c1,2001,0918:30:00,22 ,       0, 101.693,7.840132,21.72857
sgpcmbeC1.c1,2001,0919:30:00,22 ,       0,17.36305,2.440243,3.528294
sgpcmbeC1.c1,2001,0920:30:00,22 ,       0,49.82001,3.946962,10.33315
sgpcmbeC1.c1,2001,0921:30:00,22 ,       0,93.95594,6.846798,19.84614
sgpcmbeC1.c1,2001,0922:30:00,20 ,       0,140.9393, 9.53441,31.18294
sgpcmbeC1.c1,2001,0923:30:00,20 ,       0,97.89112,9.254371,22.64873