datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,05 0:30:00,17 ,       0,75.41721,14.05302,19.19051
sgpcmbeC1.c1,2001,05 1:30:00,17 ,       0, 161.418,28.32058,44.60592
sgpcmbeC1.c1,2001,05 2:30:00,17 ,0.028191,301.4901,32.68259,73.06193
sgpcmbeC1.c1,2001,05 3:30:00,17 ,0.150151,332.8884,33.27832, 80.2345
sgpcmbeC1.c1,2001,05 4:30:00,17 ,0.146594,176.5649,33.42621,53.08712
sgpcmbeC1.c1,2001,05 5:30:00,16 , 0.09674,337.4419,32.70752, 84.2286
sgpcmbeC1.c1,2001,05 6:30:00,15 ,       0,117.0808,13.89221,32.12283
sgpcmbeC1.c1,2001,05 7:30:00,15 , 0.00679,150.4014,16.82783,39.52867
sgpcmbeC1.c1,2001,05 8:30:00,18 ,       0,216.0406,37.08854,66.29982
sgpcmbeC1.c1,2001,05 9:30:00,19 ,       0,325.1543,42.30282,84.67023
sgpcmbeC1.c1,2001,0510:30:00,19 ,       0, 240.373, 28.8673,70.36399
sgpcmbeC1.c1,2001,0511:30:00,19 ,0.036165,424.2057,41.68958, 97.8588
sgpcmbeC1.c1,2001,0512:30:00,19 ,0.081689,235.5125,38.91971,63.30056
sgpcmbeC1.c1,2001,0513:30:00,19 ,0.052962,193.7798,39.10611, 57.3156
sgpcmbeC1.c1,2001,0514:30:00,19 ,0.037019,360.7765,39.70684,83.81565
sgpcmbeC1.c1,2001,0515:30:00,19 , 0.01114,616.4461,51.54056, 139.734
sgpcmbeC1.c1,2001,0516:30:00,18 ,0.043491,68.41597,14.37065,18.04228
sgpcmbeC1.c1,2001,0517:30:00,18 ,0.034014, 90.3568,14.28215,22.21879
sgpcmbeC1.c1,2001,0518:30:00,19 ,0.019449,354.0037,38.77003, 84.5386
sgpcmbeC1.c1,2001,0519:30:00,17 ,0.861483,176.3983,20.16995,40.78134
sgpcmbeC1.c1,2001,0520:30:00,17 ,0.105847, 96.2322,16.78302,24.32226
sgpcmbeC1.c1,2001,0521:30:00,17 ,       0,82.92721,16.42629,22.05876
sgpcmbeC1.c1,2001,0522:30:00,17 ,       0,203.1722,27.98759,51.23486
sgpcmbeC1.c1,2001,0523:30:00,17 ,       0,65.57795, 10.9148,16.13921