datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,30 ,       0,3.451993,0.115066,0.630245
sgpcmbeC1.c1,2001,08 1:30:00,29 ,       0, 0.50116,0.017281,0.093063
sgpcmbeC1.c1,2001,08 2:30:00,30 ,       0,2.544219,0.084807,0.464509
sgpcmbeC1.c1,2001,08 3:30:00,29 ,       0,2.272266,0.078354,0.421949
sgpcmbeC1.c1,2001,08 4:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,08 5:30:00,31 ,       0, 1.90083,0.137142,0.358901
sgpcmbeC1.c1,2001,08 6:30:00,31 ,0.248077,72.25735, 24.0695, 19.3539
sgpcmbeC1.c1,2001,08 7:30:00,30 ,2.325256,240.4463,120.2577,70.76026
sgpcmbeC1.c1,2001,08 8:30:00,29 ,0.522095,426.9427,267.8246,130.2907
sgpcmbeC1.c1,2001,08 9:30:00,29 ,18.34198,594.1744,409.6717,168.0736
sgpcmbeC1.c1,2001,0810:30:00,29 ,12.25623,725.3524,494.1797,233.8445
sgpcmbeC1.c1,2001,0811:30:00,29 ,5.426208,809.0951,532.4587,263.4742
sgpcmbeC1.c1,2001,0812:30:00,29 ,9.223358,846.0461,569.4578,249.5692
sgpcmbeC1.c1,2001,0813:30:00,29 ,42.94452,815.6965,562.8663,217.2893
sgpcmbeC1.c1,2001,0814:30:00,29 ,33.49493,735.7387,477.9844,215.8413
sgpcmbeC1.c1,2001,0815:30:00,29 ,2.068329,606.3333,362.2737,180.1391
sgpcmbeC1.c1,2001,0816:30:00,29 ,       0,455.7869,262.4499,135.1057
sgpcmbeC1.c1,2001,0817:30:00,29 ,0.266279,277.5208,130.8699,74.91533
sgpcmbeC1.c1,2001,0818:30:00,31 ,       0,103.9077,32.55969,26.38297
sgpcmbeC1.c1,2001,0819:30:00,31 ,       0,6.415623,0.947273,1.306474
sgpcmbeC1.c1,2001,0820:30:00,31 ,       0,2.168917,0.092277,0.392563
sgpcmbeC1.c1,2001,0821:30:00,30 ,       0,0.050618,0.001687,0.009242
sgpcmbeC1.c1,2001,0822:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,0823:30:00,31 ,       0,1.977594,0.063793,0.355186