datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,04 0:30:00,24 ,       0,2.712715,0.118033,0.553207
sgpcmbeC1.c1,2007,04 1:30:00,22 ,       0, 2.05741,0.107398,0.438172
sgpcmbeC1.c1,2007,04 2:30:00,24 ,       0,4.705023,0.284267,1.035903
sgpcmbeC1.c1,2007,04 3:30:00,23 ,       0,4.353995,0.189304,0.907871
sgpcmbeC1.c1,2007,04 4:30:00,25 ,       0,0.630205,0.025208,0.126041
sgpcmbeC1.c1,2007,04 5:30:00,28 ,       0,4.776271,0.325179,0.970413
sgpcmbeC1.c1,2007,04 6:30:00,30 ,       0,77.39621,16.31559, 20.7619
sgpcmbeC1.c1,2007,04 7:30:00,30 ,       0, 261.472,93.01297,91.61359
sgpcmbeC1.c1,2007,04 8:30:00,30 ,       0,462.6058,192.9775, 174.862
sgpcmbeC1.c1,2007,04 9:30:00,30 ,       0,640.6051,278.5065,265.3161
sgpcmbeC1.c1,2007,0410:30:00,30 ,       0,776.2203,364.6663, 340.623
sgpcmbeC1.c1,2007,0411:30:00,30 ,0.052742,863.1774,431.7496,354.2403
sgpcmbeC1.c1,2007,0412:30:00,30 ,       0, 896.817,426.3675, 373.264
sgpcmbeC1.c1,2007,0413:30:00,30 ,       0,867.4693,403.2426,  352.71
sgpcmbeC1.c1,2007,0414:30:00,30 ,       0,776.3726,374.1627, 316.028
sgpcmbeC1.c1,2007,0415:30:00,30 ,       0,634.0139,322.0754,264.8845
sgpcmbeC1.c1,2007,0416:30:00,30 ,       0,436.3968,217.9149,170.2458
sgpcmbeC1.c1,2007,0417:30:00,30 ,       0,238.8255,109.9605,91.91208
sgpcmbeC1.c1,2007,0418:30:00,30 ,       0,57.66312,20.52245,18.78942
sgpcmbeC1.c1,2007,0419:30:00,28 ,       0,0.864826,0.124669,0.233663
sgpcmbeC1.c1,2007,0420:30:00,27 ,       0,2.070582,0.076688,0.398484
sgpcmbeC1.c1,2007,0421:30:00,25 ,       0,0.557979,0.022319,0.111596
sgpcmbeC1.c1,2007,0422:30:00,26 ,       0,1.005884,0.038688, 0.19727
sgpcmbeC1.c1,2007,0423:30:00,23 ,       0,0.915501,0.039804,0.190895