datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2002,06 0:30:00,26 ,0.023801,0.244843,0.063801,0.058093
sgpcmbeC1.c1,2002,06 1:30:00,26 ,0.018729, 0.10962,0.047657, 0.02849
sgpcmbeC1.c1,2002,06 2:30:00,26 ,0.020904,0.096454,0.044949,0.019994
sgpcmbeC1.c1,2002,06 3:30:00,25 ,0.015755,0.082312,0.042995,0.019029
sgpcmbeC1.c1,2002,06 4:30:00,25 ,0.021328,0.076131,0.045776, 0.01462
sgpcmbeC1.c1,2002,06 5:30:00,26 ,0.016798,0.140293,0.046665,0.032843
sgpcmbeC1.c1,2002,06 6:30:00,26 ,0.014929,0.204529,0.051579,0.047269
sgpcmbeC1.c1,2002,06 7:30:00,27 ,0.017234,0.220089,0.049359,0.040419
sgpcmbeC1.c1,2002,06 8:30:00,27 ,0.013179,0.126154,0.050933, 0.03066
sgpcmbeC1.c1,2002,06 9:30:00,27 ,0.022834,0.178876,0.058855,0.030223
sgpcmbeC1.c1,2002,0610:30:00,26 ,0.016216,0.124064,0.054364,0.027849
sgpcmbeC1.c1,2002,0611:30:00,25 ,0.018143,0.127997,0.057903,0.027047
sgpcmbeC1.c1,2002,0612:30:00,25 ,0.025738,0.158927,0.071491,0.029101
sgpcmbeC1.c1,2002,0613:30:00,25 ,0.021971,0.238642,0.081323,0.043452
sgpcmbeC1.c1,2002,0614:30:00,26 ,0.029723,0.152237,0.072674,0.032145
sgpcmbeC1.c1,2002,0615:30:00,25 ,0.040992,0.150192,0.082914,0.028857
sgpcmbeC1.c1,2002,0616:30:00,25 ,0.017652,0.148448,0.061512,0.026693
sgpcmbeC1.c1,2002,0617:30:00,25 ,0.032556,0.238437,0.067762,0.042559
sgpcmbeC1.c1,2002,0618:30:00,24 ,0.023629,0.131934,0.060116,0.030247
sgpcmbeC1.c1,2002,0619:30:00,25 ,0.019094, 0.19641,0.060813,0.050408
sgpcmbeC1.c1,2002,0620:30:00,25 ,0.025811, 0.26492, 0.06469,0.059104
sgpcmbeC1.c1,2002,0621:30:00,25 , 0.01882,0.321144,0.065883, 0.06534
sgpcmbeC1.c1,2002,0622:30:00,26 ,0.022072, 0.27068,0.065751,0.057137
sgpcmbeC1.c1,2002,0623:30:00,26 ,0.016033,  0.2058,0.056001,0.045007