datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,11 0:30:00,27 ,0.014454, 0.27686,0.037111,0.050646
sgpcmbeC1.c1,2006,11 1:30:00,27 ,0.014695,0.205601,0.035444,0.039275
sgpcmbeC1.c1,2006,11 2:30:00,27 ,0.014086,0.208291,0.037659,0.037432
sgpcmbeC1.c1,2006,11 3:30:00,27 ,0.015565,0.124413,0.036605,0.028465
sgpcmbeC1.c1,2006,11 4:30:00,27 ,0.012387,0.205373,0.032383,0.037258
sgpcmbeC1.c1,2006,11 5:30:00,27 ,0.015595,0.281227, 0.04289,0.061572
sgpcmbeC1.c1,2006,11 6:30:00,27 ,0.013595,0.139289,0.034106,0.025893
sgpcmbeC1.c1,2006,11 7:30:00,27 ,0.015189,0.048195,0.027099,0.010059
sgpcmbeC1.c1,2006,11 8:30:00,28 ,0.013133,0.105077,0.033612,0.021952
sgpcmbeC1.c1,2006,11 9:30:00,28 ,0.014469,0.203655,0.036394,0.036227
sgpcmbeC1.c1,2006,1110:30:00,28 ,0.014743,0.055097,0.029866,0.011679
sgpcmbeC1.c1,2006,1111:30:00,28 ,0.014215, 0.08262,0.030385,0.016857
sgpcmbeC1.c1,2006,1112:30:00,28 ,0.013885,0.113666,0.034563,0.024848
sgpcmbeC1.c1,2006,1113:30:00,28 ,0.015265,0.244703,  0.0382,0.042628
sgpcmbeC1.c1,2006,1114:30:00,28 ,0.014776,0.079777,0.034204,0.018957
sgpcmbeC1.c1,2006,1115:30:00,28 ,0.015286,0.308171,  0.0467,0.057829
sgpcmbeC1.c1,2006,1116:30:00,27 ,0.014231,0.077651,0.032662,0.017591
sgpcmbeC1.c1,2006,1117:30:00,27 ,0.011125,0.283613,0.040948,0.051483
sgpcmbeC1.c1,2006,1118:30:00,26 ,0.015132,  0.1339,0.041072, 0.03245
sgpcmbeC1.c1,2006,1119:30:00,26 ,0.013597,0.158279,0.039216,0.036542
sgpcmbeC1.c1,2006,1120:30:00,26 ,0.013652,0.118626,0.030511,0.021734
sgpcmbeC1.c1,2006,1121:30:00,26 ,0.014481,0.073414,0.025087,0.011892
sgpcmbeC1.c1,2006,1122:30:00,26 ,0.015428,0.098299,0.034552,0.020319
sgpcmbeC1.c1,2006,1123:30:00,26 , 0.01434,0.268138,0.038294,0.048867