datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,06 0:30:00,28 ,1.780115,4.832058,3.134123, 0.80872
sgpcmbeC1.c1,1998,06 1:30:00,28 ,1.821956,5.208077,3.106146,0.870565
sgpcmbeC1.c1,1998,06 2:30:00,28 ,1.472513,5.094321,3.076015,0.849307
sgpcmbeC1.c1,1998,06 3:30:00,28 ,1.448101,4.982151,3.092592,0.832963
sgpcmbeC1.c1,1998,06 4:30:00,28 ,1.414477,5.228362,3.160426,0.917375
sgpcmbeC1.c1,1998,06 5:30:00,28 ,1.489007,4.923538,3.173556,0.937548
sgpcmbeC1.c1,1998,06 6:30:00,28 ,1.573287, 5.14237,3.179532,0.925988
sgpcmbeC1.c1,1998,06 7:30:00,28 ,1.650992, 5.40535,3.203507,0.957199
sgpcmbeC1.c1,1998,06 8:30:00,28 ,1.611682,6.019657,  3.1777,1.007165
sgpcmbeC1.c1,1998,06 9:30:00,28 ,1.683579,6.427734, 3.15881,1.026433
sgpcmbeC1.c1,1998,0610:30:00,28 , 1.70293,4.984537,3.092339,0.843386
sgpcmbeC1.c1,1998,0611:30:00,28 ,1.655968,5.397326,3.121791,0.880855
sgpcmbeC1.c1,1998,0612:30:00,28 ,1.742263, 4.81733,3.152942,0.822415
sgpcmbeC1.c1,1998,0613:30:00,28 ,1.719923, 4.65764,3.180765,0.825038
sgpcmbeC1.c1,1998,0614:30:00,28 ,1.724899,4.690858,3.255691,0.855208
sgpcmbeC1.c1,1998,0615:30:00,28 ,1.677314,4.957264,3.389598,0.940993
sgpcmbeC1.c1,1998,0616:30:00,28 ,1.458322,5.281661,3.444852,1.013436
sgpcmbeC1.c1,1998,0617:30:00,26 ,1.445961,5.393084,3.289126,0.960897
sgpcmbeC1.c1,1998,0618:30:00,27 ,1.550018,5.560945,3.207018,0.974002
sgpcmbeC1.c1,1998,0619:30:00,27 ,1.530616, 5.49212,3.204114,  1.0542
sgpcmbeC1.c1,1998,0620:30:00,28 ,1.564263,5.340727, 3.22852,0.975048
sgpcmbeC1.c1,1998,0621:30:00,28 ,1.635976,5.212043,3.200276,0.892163
sgpcmbeC1.c1,1998,0622:30:00,28 ,1.704572,5.204331, 3.20985,0.874086
sgpcmbeC1.c1,1998,0623:30:00,28 ,1.704149,5.294197,3.228869,0.891352