datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,09 0:30:00,19 ,       0,61.51341,13.10144,18.64615
sgpcmbeC1.c1,2001,09 1:30:00,19 ,       0,96.71526,14.38565,23.68741
sgpcmbeC1.c1,2001,09 2:30:00,18 ,       0,62.05299, 11.5401,15.79036
sgpcmbeC1.c1,2001,09 3:30:00,18 ,       0, 68.6107,10.16672,17.34533
sgpcmbeC1.c1,2001,09 4:30:00,18 ,       0,61.44076,9.161144,14.75874
sgpcmbeC1.c1,2001,09 5:30:00,18 ,       0,72.75453,14.81811,20.97061
sgpcmbeC1.c1,2001,09 6:30:00,16 ,       0,213.8801, 24.6878,54.59785
sgpcmbeC1.c1,2001,09 7:30:00,16 ,       0,615.4101,49.52027,152.1854
sgpcmbeC1.c1,2001,09 8:30:00,23 ,       0,198.5074, 27.8343,56.44454
sgpcmbeC1.c1,2001,09 9:30:00,23 ,       0,134.5564,23.02786,35.04518
sgpcmbeC1.c1,2001,0910:30:00,23 ,       0,126.0732,22.59471,34.09372
sgpcmbeC1.c1,2001,0911:30:00,23 ,       0, 139.635,21.81691,37.64443
sgpcmbeC1.c1,2001,0912:30:00,22 ,       0,90.58499,17.14614,23.30284
sgpcmbeC1.c1,2001,0913:30:00,20 ,       0,89.76326,12.14018,20.42832
sgpcmbeC1.c1,2001,0914:30:00,21 ,       0,56.26668,11.53045,15.15283
sgpcmbeC1.c1,2001,0915:30:00,21 ,       0,63.52929,11.41392,17.29772
sgpcmbeC1.c1,2001,0916:30:00,21 ,       0,21.67494,7.452098,6.454069
sgpcmbeC1.c1,2001,0917:30:00,20 ,       0,19.65362,7.426121, 6.58421
sgpcmbeC1.c1,2001,0918:30:00,21 ,       0,25.79411,9.317776,7.698716
sgpcmbeC1.c1,2001,0919:30:00,21 ,       0,23.72997,7.028331, 6.44983
sgpcmbeC1.c1,2001,0920:30:00,21 ,       0,56.00599,8.300257,11.84201
sgpcmbeC1.c1,2001,0921:30:00,21 ,       0,268.7932,18.75269,57.52259
sgpcmbeC1.c1,2001,0922:30:00,19 ,       0,176.4317,16.40022,40.20842
sgpcmbeC1.c1,2001,0923:30:00,19 ,       0,82.94353,12.80336,20.87567