datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,01 0:30:00,31 , 275.589,383.8313,323.2841,25.58938
sgpcmbeC1.c1,2006,01 1:30:00,31 ,273.0158,381.1352,321.9878,25.49023
sgpcmbeC1.c1,2006,01 2:30:00,31 ,284.7093,373.7287,319.7746,23.79045
sgpcmbeC1.c1,2006,01 3:30:00,31 ,278.6567,373.4336,317.4234,24.18827
sgpcmbeC1.c1,2006,01 4:30:00,31 ,280.0475,369.6661,316.8668,23.04004
sgpcmbeC1.c1,2006,01 5:30:00,31 ,276.1256, 369.632,315.5236,23.07292
sgpcmbeC1.c1,2006,01 6:30:00,31 ,272.5265,372.1533,314.1658,22.68141
sgpcmbeC1.c1,2006,01 7:30:00,31 ,273.4595,374.4678,314.4965, 23.0871
sgpcmbeC1.c1,2006,01 8:30:00,31 , 289.841,375.0294,323.7147,21.58003
sgpcmbeC1.c1,2006,01 9:30:00,31 ,300.2737,382.7811,340.2805,21.87466
sgpcmbeC1.c1,2006,0110:30:00,31 ,295.3992,400.2144,358.5053,25.18307
sgpcmbeC1.c1,2006,0111:30:00,31 ,300.1411,426.4221, 374.269,29.29976
sgpcmbeC1.c1,2006,0112:30:00,31 ,303.6153, 443.232,384.9803,33.52792
sgpcmbeC1.c1,2006,0113:30:00,31 ,305.8896,442.7261,390.1648,34.97039
sgpcmbeC1.c1,2006,0114:30:00,31 ,304.2817,438.2252,388.8118, 34.8739
sgpcmbeC1.c1,2006,0115:30:00,31 ,307.4652,437.2453,382.5136,32.41521
sgpcmbeC1.c1,2006,0116:30:00,31 , 302.519,421.1597,370.3233,28.04329
sgpcmbeC1.c1,2006,0117:30:00,31 ,298.0955,404.2173,351.2561,25.71362
sgpcmbeC1.c1,2006,0118:30:00,31 ,286.9252, 396.638,340.0145,25.26479
sgpcmbeC1.c1,2006,0119:30:00,31 ,280.8018, 394.706, 336.412,24.92218
sgpcmbeC1.c1,2006,0120:30:00,31 ,281.2753,386.5443,333.2195,24.89014
sgpcmbeC1.c1,2006,0121:30:00,31 ,281.1455,395.9248,329.1031,25.57166
sgpcmbeC1.c1,2006,0122:30:00,31 ,280.4073,396.8791, 327.998,  26.378
sgpcmbeC1.c1,2006,0123:30:00,31 ,278.0347, 390.101,326.7095,27.03333