datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1999,12 0:30:00,31 ,0.223491, 32.0278,3.272502,5.847177
sgpcmbeC1.c1,1999,12 1:30:00,31 ,0.267204,12.28971,2.030211,2.448023
sgpcmbeC1.c1,1999,12 2:30:00,31 ,0.200942,12.21372, 1.83875,2.301261
sgpcmbeC1.c1,1999,12 3:30:00,31 ,0.320133,8.426621,1.887245,1.918952
sgpcmbeC1.c1,1999,12 4:30:00,31 ,0.207347,13.82379,1.901903,2.771097
sgpcmbeC1.c1,1999,12 5:30:00,31 ,0.228208,28.25813,2.367793,5.075165
sgpcmbeC1.c1,1999,12 6:30:00,31 ,0.187397,19.61675,3.030539,4.792545
sgpcmbeC1.c1,1999,12 7:30:00,31 ,0.231847,33.30745,3.500625,6.431413
sgpcmbeC1.c1,1999,12 8:30:00,31 ,0.269717,21.66726,4.014802,4.580014
sgpcmbeC1.c1,1999,12 9:30:00,31 ,0.257697,17.60327,5.216795, 5.23706
sgpcmbeC1.c1,1999,1210:30:00,31 ,0.370124,18.45382,4.205803, 5.38827
sgpcmbeC1.c1,1999,1211:30:00,31 ,0.466188,19.56577,3.409756,3.822022
sgpcmbeC1.c1,1999,1212:30:00,31 ,0.634336,15.86811,3.479961,4.123001
sgpcmbeC1.c1,1999,1213:30:00,31 ,0.339458,23.28031,3.878338,5.669022
sgpcmbeC1.c1,1999,1214:30:00,31 ,0.324101,18.05829,3.010343,4.424445
sgpcmbeC1.c1,1999,1215:30:00,31 ,0.269077, 13.9253,1.937919,3.267964
sgpcmbeC1.c1,1999,1216:30:00,31 ,0.233665,17.32966,2.535906,3.449501
sgpcmbeC1.c1,1999,1217:30:00,31 ,0.301029,14.79027, 3.02687, 4.16102
sgpcmbeC1.c1,1999,1218:30:00,31 ,0.276787,  33.373,4.004183,6.316066
sgpcmbeC1.c1,1999,1219:30:00,31 ,0.225244,13.42898,3.068203,3.431424
sgpcmbeC1.c1,1999,1220:30:00,31 , 0.25351,22.10641,3.515481,5.387433
sgpcmbeC1.c1,1999,1221:30:00,31 ,0.268027,21.51415,4.098655, 5.57625
sgpcmbeC1.c1,1999,1222:30:00,31 ,0.296098,18.55343,3.489621,4.372308
sgpcmbeC1.c1,1999,1223:30:00,31 ,0.211516,20.95189,4.698439,5.963583