datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,05 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,05 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,05 2:30:00,31 ,       0,0.184271,0.007743,0.034257
sgpcmbeC1.c1,2006,05 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,05 4:30:00,31 ,       0,0.203666, 0.00657, 0.03658
sgpcmbeC1.c1,2006,05 5:30:00,31 ,0.030384,11.11037,4.345087,3.013919
sgpcmbeC1.c1,2006,05 6:30:00,31 ,1.187399,23.32216,12.58487,6.128529
sgpcmbeC1.c1,2006,05 7:30:00,31 ,0.791142,39.15733,14.02005,8.671028
sgpcmbeC1.c1,2006,05 8:30:00,31 ,1.647583,37.74159,14.59108,10.49713
sgpcmbeC1.c1,2006,05 9:30:00,31 ,2.197373,45.38823,14.42762,12.44041
sgpcmbeC1.c1,2006,0510:30:00,31 ,2.347359,46.02463,14.57237,11.35354
sgpcmbeC1.c1,2006,0511:30:00,31 ,0.929603,54.73298,16.69189,15.00276
sgpcmbeC1.c1,2006,0512:30:00,31 ,0.629558,61.58308, 20.8425, 18.7548
sgpcmbeC1.c1,2006,0513:30:00,31 ,1.360637,61.22648,23.57113, 18.6198
sgpcmbeC1.c1,2006,0514:30:00,31 ,2.279279,62.16329,24.71693,20.20612
sgpcmbeC1.c1,2006,0515:30:00,31 ,5.713233,58.79471,25.36505,16.11577
sgpcmbeC1.c1,2006,0516:30:00,31 ,4.242262,54.66662,18.85651,12.07949
sgpcmbeC1.c1,2006,0517:30:00,31 ,1.596896,40.23039, 15.0503,8.341305
sgpcmbeC1.c1,2006,0518:30:00,31 ,0.782646,17.89675,10.69514,5.326052
sgpcmbeC1.c1,2006,0519:30:00,31 ,       0,9.315147,3.284501,2.158535
sgpcmbeC1.c1,2006,0520:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0521:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0522:30:00,31 ,       0,0.000789,0.000025,0.000142
sgpcmbeC1.c1,2006,0523:30:00,31 ,       0,0.797879,0.034815,0.150357