datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,09 0:30:00,26 ,       0,120.3677,12.85217,27.81606
sgpcmbeC1.c1,1998,09 1:30:00,25 ,       0,250.4424,20.35287,55.01801
sgpcmbeC1.c1,1998,09 2:30:00,26 ,       0,401.7757,32.28276,87.77616
sgpcmbeC1.c1,1998,09 3:30:00,26 ,       0,427.8181,43.06297,107.8834
sgpcmbeC1.c1,1998,09 4:30:00,26 ,       0,365.9882,26.01901,73.26074
sgpcmbeC1.c1,1998,09 5:30:00,26 ,       0,517.1819,32.92236,101.8958
sgpcmbeC1.c1,1998,09 6:30:00,26 ,       0,394.7725,29.54955,79.91108
sgpcmbeC1.c1,1998,09 7:30:00,26 ,       0,273.9378,39.82704,78.32802
sgpcmbeC1.c1,1998,09 8:30:00,26 ,       0,501.1094,36.47291,103.9367
sgpcmbeC1.c1,1998,09 9:30:00,26 ,       0, 230.155,19.72796,49.43424
sgpcmbeC1.c1,1998,0910:30:00,26 ,       0,438.5186,39.39309, 102.775
sgpcmbeC1.c1,1998,0911:30:00,27 ,       0,635.2394, 58.5333,153.5955
sgpcmbeC1.c1,1998,0912:30:00,26 ,       0,677.3882,37.38278,133.0255
sgpcmbeC1.c1,1998,0913:30:00,26 ,       0,913.7554,55.61612,182.8804
sgpcmbeC1.c1,1998,0914:30:00,23 ,       0,325.8342,32.02041, 74.8714
sgpcmbeC1.c1,1998,0915:30:00,23 ,       0,148.3437,22.07946,38.68936
sgpcmbeC1.c1,1998,0916:30:00,23 ,       0,147.8356,17.78993,36.92438
sgpcmbeC1.c1,1998,0917:30:00,23 ,       0,195.3559,  29.261,53.39285
sgpcmbeC1.c1,1998,0918:30:00,26 ,       0,545.8248,33.42869, 106.828
sgpcmbeC1.c1,1998,0919:30:00,26 ,       0,232.8316,18.11939,48.06853
sgpcmbeC1.c1,1998,0920:30:00,26 ,       0,114.4529,17.03499,31.83524
sgpcmbeC1.c1,1998,0921:30:00,26 ,       0,72.24881,13.41128, 23.1288
sgpcmbeC1.c1,1998,0922:30:00,26 ,       0,283.3819,15.66333,55.26686
sgpcmbeC1.c1,1998,0923:30:00,26 ,       0,258.3762,17.05132,50.96043