datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,11 0:30:00,30 ,       0,1.756441,0.151805, 0.44975
sgpcmbeC1.c1,2004,11 1:30:00,30 ,       0,1.150284,0.082843,0.277532
sgpcmbeC1.c1,2004,11 2:30:00,30 ,       0,1.099633,0.059457,0.223518
sgpcmbeC1.c1,2004,11 3:30:00,30 ,       0,1.904562,0.143142,0.464181
sgpcmbeC1.c1,2004,11 4:30:00,30 ,       0,0.442028,0.019927,0.084638
sgpcmbeC1.c1,2004,11 5:30:00,30 ,       0,0.626749,0.024268,0.115281
sgpcmbeC1.c1,2004,11 6:30:00,30 ,       0,2.510918,0.252325,0.593199
sgpcmbeC1.c1,2004,11 7:30:00,30 ,2.552218,75.24438,22.26688, 22.3978
sgpcmbeC1.c1,2004,11 8:30:00,30 ,11.73552,261.5042, 95.2029,79.26625
sgpcmbeC1.c1,2004,11 9:30:00,30 ,17.28411,441.3944,185.7312, 140.087
sgpcmbeC1.c1,2004,1110:30:00,30 ,12.86196, 580.925,278.4062, 191.008
sgpcmbeC1.c1,2004,1111:30:00,30 ,40.51494,640.1537,330.0937,218.0876
sgpcmbeC1.c1,2004,1112:30:00,30 ,49.99267,653.2002,341.9736,226.9764
sgpcmbeC1.c1,2004,1113:30:00,30 ,38.42413, 607.009,299.2389, 207.977
sgpcmbeC1.c1,2004,1114:30:00,30 ,37.02727,498.3276,241.3804,173.0413
sgpcmbeC1.c1,2004,1115:30:00,30 ,17.68259,335.0471,151.7724,107.0028
sgpcmbeC1.c1,2004,1116:30:00,30 ,8.625998, 157.952,60.64646,47.66956
sgpcmbeC1.c1,2004,1117:30:00,30 ,       0, 22.5094,5.131894, 5.58753
sgpcmbeC1.c1,2004,1118:30:00,30 ,       0,1.538595,0.165436,0.383283
sgpcmbeC1.c1,2004,1119:30:00,30 ,       0,0.472664,0.042059,0.119277
sgpcmbeC1.c1,2004,1120:30:00,30 ,       0,3.400488,0.239541,0.667038
sgpcmbeC1.c1,2004,1121:30:00,30 ,       0, 1.15762, 0.09873,0.299389
sgpcmbeC1.c1,2004,1122:30:00,30 ,       0,0.484729,0.037418, 0.10865
sgpcmbeC1.c1,2004,1123:30:00,30 ,       0, 1.59176,0.221083,0.451968