datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,01 0:30:00,7 ,0.552018,1.173927,0.857455, 0.23312
sgpcmbeC1.c1,2000,01 1:30:00,7 ,0.503158,1.287643,0.820195,0.252344
sgpcmbeC1.c1,2000,01 2:30:00,7 ,0.465394,1.618465,0.823542,0.383524
sgpcmbeC1.c1,2000,01 3:30:00,7 ,0.442448,2.120214,0.853334,0.590641
sgpcmbeC1.c1,2000,01 4:30:00,7 ,0.317022, 1.95788,0.810266,0.563318
sgpcmbeC1.c1,2000,01 5:30:00,7 ,0.255154,1.400374,0.750414,0.396076
sgpcmbeC1.c1,2000,01 6:30:00,7 ,0.224138,1.332335,0.801791,0.419703
sgpcmbeC1.c1,2000,01 7:30:00,7 ,0.255019,1.607406,0.869683,0.489783
sgpcmbeC1.c1,2000,01 8:30:00,7 ,0.308657,  2.0675,0.988751,0.649569
sgpcmbeC1.c1,2000,01 9:30:00,6 ,0.362653,1.912667,1.093812,0.610845
sgpcmbeC1.c1,2000,0110:30:00,6 ,0.411402,1.935523,1.075269, 0.54938
sgpcmbeC1.c1,2000,0111:30:00,6 ,0.414515,1.876189,1.065049,0.525323
sgpcmbeC1.c1,2000,0112:30:00,6 ,0.442283,1.884412,1.065654,0.502297
sgpcmbeC1.c1,2000,0113:30:00,6 ,0.469569,1.790296, 1.05505, 0.45259
sgpcmbeC1.c1,2000,0114:30:00,6 , 0.49085,1.672758,1.058725, 0.42362
sgpcmbeC1.c1,2000,0115:30:00,6 ,  0.5321,1.769329,1.137914,0.510214
sgpcmbeC1.c1,2000,0116:30:00,6 ,0.542944,2.426615,1.271464,0.709457
sgpcmbeC1.c1,2000,0117:30:00,6 ,0.557335,1.714237,1.072806,0.430635
sgpcmbeC1.c1,2000,0118:30:00,6 ,0.555698,1.684184,1.012052,0.388578
sgpcmbeC1.c1,2000,0119:30:00,6 , 0.57535,1.521833,0.964344,0.328145
sgpcmbeC1.c1,2000,0120:30:00,6 ,0.616328,1.504911,0.949544,0.317534
sgpcmbeC1.c1,2000,0121:30:00,6 ,0.623861,1.568244,0.952573,0.339864
sgpcmbeC1.c1,2000,0122:30:00,6 ,0.613972,1.540939,0.938419,0.336474
sgpcmbeC1.c1,2000,0123:30:00,6 ,0.591227,1.398823,0.922638,0.295986