datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,09 0:30:00,30 , 346.226, 451.838, 396.868,27.59234
sgpcmbeC1.c1,1999,09 1:30:00,30 ,345.2471, 449.896,395.4377,27.10277
sgpcmbeC1.c1,1999,09 2:30:00,30 ,340.4271,448.9974,  393.68,26.22342
sgpcmbeC1.c1,1999,09 3:30:00,30 ,  335.02,447.3888,391.2015, 26.6428
sgpcmbeC1.c1,1999,09 4:30:00,30 ,332.2075,446.1401, 389.531,26.62217
sgpcmbeC1.c1,1999,09 5:30:00,30 ,334.3577,440.3509,388.2898,26.30771
sgpcmbeC1.c1,1999,09 6:30:00,30 ,339.6124,433.9455,389.5551,26.45398
sgpcmbeC1.c1,1999,09 7:30:00,30 ,359.1397,442.4825,400.0665,25.50949
sgpcmbeC1.c1,1999,09 8:30:00,30 ,370.1324,476.5394,414.7156,28.18693
sgpcmbeC1.c1,1999,09 9:30:00,30 , 373.752,497.7315,430.9635,33.06428
sgpcmbeC1.c1,1999,0910:30:00,30 , 375.912,519.5593,443.8994,37.67707
sgpcmbeC1.c1,1999,0911:30:00,30 ,376.3779,534.4838,453.6217,40.89237
sgpcmbeC1.c1,1999,0912:30:00,30 ,380.3062,545.8975,459.1919,42.66095
sgpcmbeC1.c1,1999,0913:30:00,30 ,377.8725,546.9779,461.0359,43.03315
sgpcmbeC1.c1,1999,0914:30:00,30 ,378.7423,541.6815,461.7131,43.07298
sgpcmbeC1.c1,1999,0915:30:00,30 ,381.6035,533.7045, 459.113,41.32837
sgpcmbeC1.c1,1999,0916:30:00,30 , 380.516,521.6047,449.8472,38.94508
sgpcmbeC1.c1,1999,0917:30:00,30 ,378.3549,500.6851,436.3835,35.47984
sgpcmbeC1.c1,1999,0918:30:00,30 ,363.1009,486.6542,419.0805,34.13103
sgpcmbeC1.c1,1999,0919:30:00,30 ,356.4789,473.3222,410.1149,31.78975
sgpcmbeC1.c1,1999,0920:30:00,30 ,354.9665,463.8276,405.6664,  29.859
sgpcmbeC1.c1,1999,0921:30:00,30 , 354.958,   462.7,402.2508, 28.7593
sgpcmbeC1.c1,1999,0922:30:00,30 , 354.293,455.8512,399.6099,27.78696
sgpcmbeC1.c1,1999,0923:30:00,30 ,351.2181,454.9298,396.3555,27.48218