datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,08 0:30:00,31 ,0.365986,15.78808,2.724302,3.075226
sgpcmbeC1.c1,2001,08 1:30:00,31 ,0.544326,13.52714, 2.41983,2.632302
sgpcmbeC1.c1,2001,08 2:30:00,31 ,0.356861,7.231716,2.321759,2.015236
sgpcmbeC1.c1,2001,08 3:30:00,31 ,0.384081,10.99353,2.718058,2.616518
sgpcmbeC1.c1,2001,08 4:30:00,31 ,0.418366,8.578956,2.205345,1.875838
sgpcmbeC1.c1,2001,08 5:30:00,31 ,0.391939,11.05077, 2.51391,2.706094
sgpcmbeC1.c1,2001,08 6:30:00,31 ,0.580535, 18.3661,3.183202,4.174489
sgpcmbeC1.c1,2001,08 7:30:00,31 ,1.122689,16.44846,3.771169,3.338657
sgpcmbeC1.c1,2001,08 8:30:00,31 ,1.305702,12.61052,4.165803,2.531282
sgpcmbeC1.c1,2001,08 9:30:00,31 , 1.69011,13.92301,3.812534,2.835972
sgpcmbeC1.c1,2001,0810:30:00,31 ,1.399529,10.41024,3.678501,2.218313
sgpcmbeC1.c1,2001,0811:30:00,31 ,1.420878,6.214861,2.971387,1.271771
sgpcmbeC1.c1,2001,0812:30:00,31 ,1.290501,6.674886,  2.9961,1.472987
sgpcmbeC1.c1,2001,0813:30:00,31 ,0.916324,7.321986, 2.85946,1.521493
sgpcmbeC1.c1,2001,0814:30:00,31 ,1.286014,8.387583,3.099233,1.712568
sgpcmbeC1.c1,2001,0815:30:00,31 ,1.053704,13.84355,3.487829,3.251564
sgpcmbeC1.c1,2001,0816:30:00,31 ,0.905428,10.19797,2.690185,2.238924
sgpcmbeC1.c1,2001,0817:30:00,31 ,0.804324, 9.22966,3.477982,2.221759
sgpcmbeC1.c1,2001,0818:30:00,31 ,0.708094,24.69879,3.316825, 4.27052
sgpcmbeC1.c1,2001,0819:30:00,31 ,0.942048,7.519864,2.815097,1.596199
sgpcmbeC1.c1,2001,0820:30:00,31 ,0.792711,12.86227,2.455958,2.246036
sgpcmbeC1.c1,2001,0821:30:00,31 ,0.597916,8.426403,2.412972,1.854092
sgpcmbeC1.c1,2001,0822:30:00,31 ,0.627447,14.31027,2.577438,2.705071
sgpcmbeC1.c1,2001,0823:30:00,31 ,0.775029,14.72462,3.269616,3.090644