datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,10 0:30:00,29 ,       0,0.199017, 0.01432,0.041713
sgpcmbeC1.c1,2000,10 1:30:00,28 ,       0,0.282038, 0.02604,0.064355
sgpcmbeC1.c1,2000,10 2:30:00,28 ,       0,0.169957,0.017788,0.039287
sgpcmbeC1.c1,2000,10 3:30:00,29 ,       0, 0.10009,0.014414,0.031196
sgpcmbeC1.c1,2000,10 4:30:00,28 ,       0,0.109462,0.009441, 0.02845
sgpcmbeC1.c1,2000,10 5:30:00,31 ,       0,0.036675,0.001183,0.006587
sgpcmbeC1.c1,2000,10 6:30:00,31 ,0.192977,15.77552,5.108084, 4.80185
sgpcmbeC1.c1,2000,10 7:30:00,31 , 5.76791,161.3244,77.91708,52.83749
sgpcmbeC1.c1,2000,10 8:30:00,31 , 38.1534,372.0233,214.6262,123.9139
sgpcmbeC1.c1,2000,10 9:30:00,31 ,5.403666,557.6599,353.0184,195.3026
sgpcmbeC1.c1,2000,1010:30:00,31 ,26.22408,696.0592,444.0716,  232.35
sgpcmbeC1.c1,2000,1011:30:00,31 ,84.67064,784.0886,502.8305,244.1074
sgpcmbeC1.c1,2000,1012:30:00,31 ,73.36882,801.7821,516.9533,253.1144
sgpcmbeC1.c1,2000,1013:30:00,31 ,29.03703,763.0371,478.3864,242.7726
sgpcmbeC1.c1,2000,1014:30:00,31 ,44.13051,650.5846,417.5324,189.7242
sgpcmbeC1.c1,2000,1015:30:00,31 ,38.79795,479.7023,284.2208,139.1247
sgpcmbeC1.c1,2000,1016:30:00,31 ,12.84115,281.7217,147.4214,86.51741
sgpcmbeC1.c1,2000,1017:30:00,31 , 3.06718, 92.6758, 35.1034,27.55117
sgpcmbeC1.c1,2000,1018:30:00,31 ,       0,3.995583, 0.48603,1.095454
sgpcmbeC1.c1,2000,1019:30:00,31 ,       0,0.005146,0.000316,0.001225
sgpcmbeC1.c1,2000,1020:30:00,31 ,       0, 0.06259,0.005649,0.014588
sgpcmbeC1.c1,2000,1021:30:00,31 ,       0,0.203631,0.016002,0.048613
sgpcmbeC1.c1,2000,1022:30:00,29 ,       0,0.519275,0.042902,  0.1173
sgpcmbeC1.c1,2000,1023:30:00,29 ,       0,0.199496,0.026295,0.052003