datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2003,11 0:30:00,26 ,       0,2.799218,1.232808,0.981356
sgpcmbeC1.c1,2003,11 1:30:00,28 ,       0,2.475981,1.120677,0.982788
sgpcmbeC1.c1,2003,11 2:30:00,27 ,       0,2.892077,0.951418,0.964201
sgpcmbeC1.c1,2003,11 3:30:00,28 ,       0,2.555008,0.815935,0.845703
sgpcmbeC1.c1,2003,11 4:30:00,28 ,       0,2.828286,0.854383, 0.89974
sgpcmbeC1.c1,2003,11 5:30:00,29 ,-0.05556,2.606845,0.824111,0.890157
sgpcmbeC1.c1,2003,11 6:30:00,28 ,       0, 2.36282, 0.83429,0.838709
sgpcmbeC1.c1,2003,11 7:30:00,30 ,0.530468,49.84601,19.34674,12.24715
sgpcmbeC1.c1,2003,11 8:30:00,30 ,15.57886,237.3207,105.1129,67.20793
sgpcmbeC1.c1,2003,11 9:30:00,30 ,43.12266,399.1108,207.1078,116.8834
sgpcmbeC1.c1,2003,1110:30:00,30 ,47.97226,523.7827,288.5499,160.3207
sgpcmbeC1.c1,2003,1111:30:00,30 ,51.63414,597.4515,342.4834,185.9466
sgpcmbeC1.c1,2003,1112:30:00,30 , 45.5453,586.7599,380.0573, 203.311
sgpcmbeC1.c1,2003,1113:30:00,30 , 29.6347,587.3381,361.3304,185.1159
sgpcmbeC1.c1,2003,1114:30:00,30 ,30.39969,466.8015,291.4612,149.1859
sgpcmbeC1.c1,2003,1115:30:00,30 ,21.64319,325.6885,180.5859,98.04417
sgpcmbeC1.c1,2003,1116:30:00,30 ,10.24224,130.5238,68.79814,36.53223
sgpcmbeC1.c1,2003,1117:30:00,30 ,0.255061,12.85292,4.152605,3.072093
sgpcmbeC1.c1,2003,1118:30:00,29 ,       0,3.308392, 1.01361,0.981113
sgpcmbeC1.c1,2003,1119:30:00,29 ,       0,2.651264,0.961895,0.926177
sgpcmbeC1.c1,2003,1120:30:00,29 ,       0,2.626449,1.094856,0.985815
sgpcmbeC1.c1,2003,1121:30:00,29 ,       0,2.767207,1.187893,0.989941
sgpcmbeC1.c1,2003,1122:30:00,28 ,       0,2.653895,1.230409,0.966319
sgpcmbeC1.c1,2003,1123:30:00,27 ,       0,2.621661,1.236875, 0.95021