datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,08 0:30:00,31 ,       0,0.466522,0.031802,0.095998
sgpcmbeC1.c1,2004,08 1:30:00,31 ,       0,0.070996, 0.00229,0.012751
sgpcmbeC1.c1,2004,08 2:30:00,31 ,       0,0.094684,0.003271,0.017008
sgpcmbeC1.c1,2004,08 3:30:00,31 ,       0,0.077413,0.003468,0.014749
sgpcmbeC1.c1,2004,08 4:30:00,31 ,       0,0.038889,0.001254,0.006985
sgpcmbeC1.c1,2004,08 5:30:00,31 ,       0,0.839304,0.101202,0.205345
sgpcmbeC1.c1,2004,08 6:30:00,31 , 0.00002,59.07646,21.29603,20.55493
sgpcmbeC1.c1,2004,08 7:30:00,31 ,0.038515,242.7685,99.34361,89.71269
sgpcmbeC1.c1,2004,08 8:30:00,31 , 0.34256, 432.307,196.3057, 168.203
sgpcmbeC1.c1,2004,08 9:30:00,31 , 0.37484,583.6508,297.8185,235.7036
sgpcmbeC1.c1,2004,0810:30:00,31 ,0.649689,724.8514,443.9337,276.1626
sgpcmbeC1.c1,2004,0811:30:00,31 ,1.132996,807.5071,512.3635,308.5796
sgpcmbeC1.c1,2004,0812:30:00,31 ,1.333221, 839.748,559.3644,298.4758
sgpcmbeC1.c1,2004,0813:30:00,31 ,5.502716,863.4708,544.2818,268.0611
sgpcmbeC1.c1,2004,0814:30:00,31 ,1.753967,776.7105,476.1388,239.8366
sgpcmbeC1.c1,2004,0815:30:00,31 ,0.592148,608.2413,389.7922,188.7345
sgpcmbeC1.c1,2004,0816:30:00,31 ,2.290039,452.3896,284.7551,141.9436
sgpcmbeC1.c1,2004,0817:30:00,31 ,       0,279.3471,153.1307,84.09229
sgpcmbeC1.c1,2004,0818:30:00,31 ,       0,93.11681,39.89893,27.43089
sgpcmbeC1.c1,2004,0819:30:00,31 ,       0,3.974278,0.651421,1.119032
sgpcmbeC1.c1,2004,0820:30:00,31 ,       0,0.044017,0.001599,0.007935
sgpcmbeC1.c1,2004,0821:30:00,31 ,       0,0.107955,0.011017,0.031375
sgpcmbeC1.c1,2004,0822:30:00,31 ,       0,0.026154,0.002079, 0.00668
sgpcmbeC1.c1,2004,0823:30:00,31 ,       0,0.085851,0.002769,0.015419