datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,05 0:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,05 1:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,05 2:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,05 3:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,05 4:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,05 5:30:00,29 ,       0,28.77509,9.540407,8.491396
sgpcmbeC1.c1,2007,05 6:30:00,29 ,0.915613,60.86366,29.06644,22.16823
sgpcmbeC1.c1,2007,05 7:30:00,29 ,1.575599,72.85905,36.20238,22.06512
sgpcmbeC1.c1,2007,05 8:30:00,29 ,6.866359,141.4816,53.97217,36.58357
sgpcmbeC1.c1,2007,05 9:30:00,29 ,9.237917,183.9105,73.68962,50.37807
sgpcmbeC1.c1,2007,0510:30:00,29 ,11.02749,245.3449,109.4999,74.64849
sgpcmbeC1.c1,2007,0511:30:00,29 ,16.04659,285.7873,104.6851,76.49331
sgpcmbeC1.c1,2007,0512:30:00,29 ,4.452984,340.4296,145.6116,90.78837
sgpcmbeC1.c1,2007,0513:30:00,30 ,8.786804,273.9007,147.6194,79.70796
sgpcmbeC1.c1,2007,0514:30:00,30 ,24.12817,286.8419,143.4472,80.29297
sgpcmbeC1.c1,2007,0515:30:00,30 ,13.67123,260.3798,119.0631,69.17297
sgpcmbeC1.c1,2007,0516:30:00,30 ,12.00007,204.9992,95.33476,52.80625
sgpcmbeC1.c1,2007,0517:30:00,30 ,19.89291,115.0974,62.44844,26.09014
sgpcmbeC1.c1,2007,0518:30:00,30 ,5.055871,72.42413,34.98889,18.75002
sgpcmbeC1.c1,2007,0519:30:00,30 ,       0,20.87639,8.938705,5.023866
sgpcmbeC1.c1,2007,0520:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0521:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0522:30:00,28 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0523:30:00,26 ,       0,       0,       0,       0