datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,12 0:30:00,30 ,       0,       1,0.472037,0.450926
sgpcmbeC1.c1,2001,12 1:30:00,30 ,       0,       1,0.478611,0.461579
sgpcmbeC1.c1,2001,12 2:30:00,30 ,       0,       1,0.476111,0.469925
sgpcmbeC1.c1,2001,12 3:30:00,30 ,       0,       1,  0.4225,0.460644
sgpcmbeC1.c1,2001,12 4:30:00,30 ,       0,       1,0.446481,0.463359
sgpcmbeC1.c1,2001,12 5:30:00,30 ,       0,       1,0.472037,0.464409
sgpcmbeC1.c1,2001,12 6:30:00,30 ,       0,       1,0.488519,0.479452
sgpcmbeC1.c1,2001,12 7:30:00,30 ,       0,       1,0.475833,0.459132
sgpcmbeC1.c1,2001,12 8:30:00,31 ,       0,       1,0.430556,0.451342
sgpcmbeC1.c1,2001,12 9:30:00,31 ,       0,       1,0.507348,0.437871
sgpcmbeC1.c1,2001,1210:30:00,31 ,       0,       1,0.531525,0.454054
sgpcmbeC1.c1,2001,1211:30:00,31 ,       0,       1,0.508871,0.459994
sgpcmbeC1.c1,2001,1212:30:00,31 ,       0,       1,0.486918,0.464766
sgpcmbeC1.c1,2001,1213:30:00,31 ,       0,       1,0.463799,0.479614
sgpcmbeC1.c1,2001,1214:30:00,31 ,       0,       1,0.489964,0.478606
sgpcmbeC1.c1,2001,1215:30:00,31 ,       0,       1,0.517832, 0.45315
sgpcmbeC1.c1,2001,1216:30:00,31 ,       0,       1,0.444637,0.458539
sgpcmbeC1.c1,2001,1217:30:00,31 ,       0,       1,0.483939,0.436369
sgpcmbeC1.c1,2001,1218:30:00,30 ,       0,       1,0.518306,0.447248
sgpcmbeC1.c1,2001,1219:30:00,30 ,       0,       1,0.570833,0.449406
sgpcmbeC1.c1,2001,1220:30:00,30 ,       0,       1,0.502593,0.466074
sgpcmbeC1.c1,2001,1221:30:00,30 ,       0,       1,0.503333,0.488979
sgpcmbeC1.c1,2001,1222:30:00,30 ,       0,       1,0.472315,0.460822
sgpcmbeC1.c1,2001,1223:30:00,30 ,       0,       1,0.468796, 0.44533