datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,10 0:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 2:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 5:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,10 6:30:00,30 ,       0, 18.1448,5.717482,4.384718
sgpcmbeC1.c1,1999,10 7:30:00,30 ,12.06751,173.5531,99.94446,41.22895
sgpcmbeC1.c1,1999,10 8:30:00,30 ,49.30564,380.9071,267.1771,87.86788
sgpcmbeC1.c1,1999,10 9:30:00,30 ,76.14507,561.5247,  414.58,141.1316
sgpcmbeC1.c1,1999,1010:30:00,30 ,121.5247, 705.119,550.0471,167.0081
sgpcmbeC1.c1,1999,1011:30:00,30 ,130.5956,789.4824,620.2161,190.0032
sgpcmbeC1.c1,1999,1012:30:00,30 ,100.7794,807.5305, 621.433,199.1586
sgpcmbeC1.c1,1999,1013:30:00,30 ,118.9676,758.3381,587.7957,176.0854
sgpcmbeC1.c1,1999,1014:30:00,30 ,114.7911,652.9972,469.7918,172.7932
sgpcmbeC1.c1,1999,1015:30:00,30 , 56.9284,491.2923, 344.437,127.2335
sgpcmbeC1.c1,1999,1016:30:00,30 ,16.86132,295.1141, 191.361,78.03648
sgpcmbeC1.c1,1999,1017:30:00,30 , 2.15815,99.18372,46.04911,24.75892
sgpcmbeC1.c1,1999,1018:30:00,29 ,       0,6.412145,0.599749,1.451462
sgpcmbeC1.c1,1999,1019:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1020:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1021:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1022:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,1999,1023:30:00,29 ,       0,       0,       0,       0