datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,10 0:30:00,31 ,       0,0.101763,0.003283,0.018277
sgpcmbeC1.c1,2001,10 1:30:00,31 ,       0,0.263865,0.022221, 0.06123
sgpcmbeC1.c1,2001,10 2:30:00,31 ,       0,0.412002,0.016561,0.075614
sgpcmbeC1.c1,2001,10 3:30:00,31 ,       0,0.056961,0.003277,0.012783
sgpcmbeC1.c1,2001,10 4:30:00,31 ,       0,  0.1362,0.004394,0.024462
sgpcmbeC1.c1,2001,10 5:30:00,31 ,       0,0.151021,0.004952,0.027113
sgpcmbeC1.c1,2001,10 6:30:00,31 ,       0,5.934017,2.128935, 1.88761
sgpcmbeC1.c1,2001,10 7:30:00,31 ,1.111949,17.44018,11.68624,4.227215
sgpcmbeC1.c1,2001,10 8:30:00,31 ,2.951389,29.51477,12.96637,5.707073
sgpcmbeC1.c1,2001,10 9:30:00,31 ,4.709424,26.88349,12.40478,6.766257
sgpcmbeC1.c1,2001,1010:30:00,31 ,4.019536,30.23326, 10.8286,8.254091
sgpcmbeC1.c1,2001,1011:30:00,31 ,0.949242,51.73976,13.87529,16.71332
sgpcmbeC1.c1,2001,1012:30:00,31 ,0.599988,56.69226,9.884694,13.57835
sgpcmbeC1.c1,2001,1013:30:00,31 ,2.764884, 39.5457,10.56188,12.37662
sgpcmbeC1.c1,2001,1014:30:00,31 ,5.038857,45.35965, 11.8927,10.35714
sgpcmbeC1.c1,2001,1015:30:00,31 ,3.184453, 37.5781, 12.2429,6.364118
sgpcmbeC1.c1,2001,1016:30:00,31 ,1.364228,30.85017,13.10138,5.244337
sgpcmbeC1.c1,2001,1017:30:00,31 ,1.762546,20.14712,8.445899,4.467275
sgpcmbeC1.c1,2001,1018:30:00,31 ,       0,1.008458,0.098962,0.241874
sgpcmbeC1.c1,2001,1019:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1020:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2001,1021:30:00,31 ,       0,0.088683,0.003663,0.016399
sgpcmbeC1.c1,2001,1022:30:00,31 ,       0,0.031327,0.001011,0.005627
sgpcmbeC1.c1,2001,1023:30:00,31 ,       0,0.109726,0.003865, 0.01973