datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,05 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,05 1:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,05 2:30:00,31 ,       0,0.089513,0.002888,0.016077
sgpcmbeC1.c1,1998,05 3:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,05 4:30:00,31 ,       0,0.020569,0.000971, 0.00402
sgpcmbeC1.c1,1998,05 5:30:00,31 ,0.000287,9.486321,1.155554,1.954662
sgpcmbeC1.c1,1998,05 6:30:00,31 , 0.01763,125.5314,37.75915,34.50287
sgpcmbeC1.c1,1998,05 7:30:00,31 ,       0,313.8734,120.1262,108.3274
sgpcmbeC1.c1,1998,05 8:30:00,30 ,0.013603,509.8868,249.2732,164.3224
sgpcmbeC1.c1,1998,05 9:30:00,30 ,0.671913,688.1351,364.4119,230.9946
sgpcmbeC1.c1,1998,0510:30:00,31 ,2.037415,818.6732,452.1595,267.8245
sgpcmbeC1.c1,1998,0511:30:00,31 , 0.65239,905.0737,483.2741,312.0941
sgpcmbeC1.c1,1998,0512:30:00,30 ,2.116776,929.3691,501.4748,296.2944
sgpcmbeC1.c1,1998,0513:30:00,31 ,3.100677,893.2014,471.8619,279.4671
sgpcmbeC1.c1,1998,0514:30:00,31 ,2.508606,800.4817,424.0693,247.1735
sgpcmbeC1.c1,1998,0515:30:00,31 ,0.857056,659.6721, 347.196,201.6732
sgpcmbeC1.c1,1998,0516:30:00,31 ,0.148041,488.8897,237.1288,151.5563
sgpcmbeC1.c1,1998,0517:30:00,31 ,       0,292.5529,138.4056,85.93726
sgpcmbeC1.c1,1998,0518:30:00,31 ,       0,104.6308,38.85197,28.81796
sgpcmbeC1.c1,1998,0519:30:00,31 ,       0,4.989747,1.023323,1.274166
sgpcmbeC1.c1,1998,0520:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0521:30:00,31 ,       0,0.022954, 0.00074,0.004123
sgpcmbeC1.c1,1998,0522:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,1998,0523:30:00,31 ,       0,       0,       0,       0