datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,09 0:30:00,26 ,       0,333.3436,41.55641,90.75278
sgpcmbeC1.c1,1997,09 1:30:00,26 ,       0,429.0983,47.13684,103.4763
sgpcmbeC1.c1,1997,09 2:30:00,26 ,       0,547.5377,77.59372,159.9066
sgpcmbeC1.c1,1997,09 3:30:00,26 ,       0,933.7706, 78.0703,191.4932
sgpcmbeC1.c1,1997,09 4:30:00,25 ,       0,641.7228,59.72862,141.0643
sgpcmbeC1.c1,1997,09 5:30:00,26 ,       0,176.8371,31.70798,45.31819
sgpcmbeC1.c1,1997,09 6:30:00,26 ,       0,154.6289,22.76484,39.40413
sgpcmbeC1.c1,1997,09 7:30:00,26 ,       0,369.1051,40.57862,93.79694
sgpcmbeC1.c1,1997,09 8:30:00,26 ,       0,283.0163,41.61666,74.44424
sgpcmbeC1.c1,1997,09 9:30:00,26 ,       0,440.9069,46.03289,  95.226
sgpcmbeC1.c1,1997,0910:30:00,26 ,       0,646.1031,84.22588,178.1831
sgpcmbeC1.c1,1997,0911:30:00,27 ,       0,815.9836,66.97553,160.7852
sgpcmbeC1.c1,1997,0912:30:00,26 ,       0,439.5632,55.79578, 95.1108
sgpcmbeC1.c1,1997,0913:30:00,24 ,       0,377.2709,  52.118,100.9916
sgpcmbeC1.c1,1997,0914:30:00,24 ,       0,604.7284,63.14084,142.0613
sgpcmbeC1.c1,1997,0915:30:00,23 ,       0,474.6447,61.53309,122.0384
sgpcmbeC1.c1,1997,0916:30:00,25 ,       0,674.9802,76.86196,166.5979
sgpcmbeC1.c1,1997,0917:30:00,27 ,       0,740.6133,81.04151,203.4587
sgpcmbeC1.c1,1997,0918:30:00,27 ,       0,466.4474,33.95363,91.18161
sgpcmbeC1.c1,1997,0919:30:00,27 ,       0,294.2628,27.08738,   63.35
sgpcmbeC1.c1,1997,0920:30:00,26 ,       0,562.8942,39.72528,111.2625
sgpcmbeC1.c1,1997,0921:30:00,26 ,       0, 1070.86,52.04273,209.9305
sgpcmbeC1.c1,1997,0922:30:00,26 ,       0,716.0283,42.31966,146.3125
sgpcmbeC1.c1,1997,0923:30:00,26 ,       0, 581.262,29.16248,113.0809