datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,05 0:30:00,31 ,       0,       1,0.637903,0.423236
sgpcmbeC1.c1,1997,05 1:30:00,31 ,       0,       1,0.579839,0.433163
sgpcmbeC1.c1,1997,05 2:30:00,31 ,       0,       1,0.586649,0.426804
sgpcmbeC1.c1,1997,05 3:30:00,31 ,       0,       1,0.598208,0.429825
sgpcmbeC1.c1,1997,05 4:30:00,31 ,       0,       1,0.612903,0.410954
sgpcmbeC1.c1,1997,05 5:30:00,31 ,       0,       1,0.530018,0.409458
sgpcmbeC1.c1,1997,05 6:30:00,31 ,       0,       1,0.484767,0.443386
sgpcmbeC1.c1,1997,05 7:30:00,31 ,       0,       1,0.527061,0.414528
sgpcmbeC1.c1,1997,05 8:30:00,31 ,       0,       1,0.567921,0.444206
sgpcmbeC1.c1,1997,05 9:30:00,31 ,       0,       1,0.556989,0.437583
sgpcmbeC1.c1,1997,0510:30:00,31 ,       0,       1,0.584229,0.451691
sgpcmbeC1.c1,1997,0511:30:00,31 ,       0,       1,0.515502,0.438268
sgpcmbeC1.c1,1997,0512:30:00,31 ,       0,       1,0.496147,0.428735
sgpcmbeC1.c1,1997,0513:30:00,31 ,       0,       1,0.516846,0.415827
sgpcmbeC1.c1,1997,0514:30:00,31 ,       0,       1,0.509409,0.445485
sgpcmbeC1.c1,1997,0515:30:00,31 ,       0,       1,0.494624,0.427401
sgpcmbeC1.c1,1997,0516:30:00,31 ,       0,       1,0.522312, 0.45267
sgpcmbeC1.c1,1997,0517:30:00,31 ,       0,       1,0.530287,0.397913
sgpcmbeC1.c1,1997,0518:30:00,31 ,       0,       1,0.519982,0.438196
sgpcmbeC1.c1,1997,0519:30:00,31 ,       0,       1,0.602778,0.444551
sgpcmbeC1.c1,1997,0520:30:00,31 ,       0,       1,   0.625,0.418704
sgpcmbeC1.c1,1997,0521:30:00,31 ,       0,       1,0.621326,0.433649
sgpcmbeC1.c1,1997,0522:30:00,31 ,       0,       1,0.600986,0.428925
sgpcmbeC1.c1,1997,0523:30:00,31 ,       0,       1,0.609677, 0.42106