datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,06 5:30:00,30 ,       0,10.95354,6.146245,3.503238
sgpcmbeC1.c1,2006,06 6:30:00,30 , 2.57951,56.47546,38.69717,16.53956
sgpcmbeC1.c1,2006,06 7:30:00,30 ,15.83853,100.1106,77.03578,25.70486
sgpcmbeC1.c1,2006,06 8:30:00,30 ,8.227259,135.6746,105.2297,39.37726
sgpcmbeC1.c1,2006,06 9:30:00,30 ,2.894765,162.6347,129.8735,47.77737
sgpcmbeC1.c1,2006,0610:30:00,30 ,4.879491,181.2863,150.5978,48.45595
sgpcmbeC1.c1,2006,0611:30:00,30 , 13.1746,188.5355,158.5876,45.79963
sgpcmbeC1.c1,2006,0612:30:00,30 , 42.2954,189.5146,161.4764,37.08463
sgpcmbeC1.c1,2006,0613:30:00,30 ,57.87281,186.2639,158.3461,29.79073
sgpcmbeC1.c1,2006,0614:30:00,30 ,85.69426,177.0437,155.3843,22.52429
sgpcmbeC1.c1,2006,0615:30:00,30 ,57.94999,160.8928,131.5691,27.78483
sgpcmbeC1.c1,2006,0616:30:00,30 ,42.43068,129.4385,114.4427,20.75526
sgpcmbeC1.c1,2006,0617:30:00,30 ,65.25963,99.13293,86.60206,8.713442
sgpcmbeC1.c1,2006,0618:30:00,30 ,16.48574,53.74506,42.80727,10.10406
sgpcmbeC1.c1,2006,0619:30:00,30 ,0.345749,16.39028,7.628675, 3.65011
sgpcmbeC1.c1,2006,0620:30:00,30 ,       0, 0.09713,0.003238,0.017733
sgpcmbeC1.c1,2006,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2006,0623:30:00,30 ,       0,       0,       0,       0