datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,02 0:30:00,23 ,0.028918,0.214015,  0.0605,0.038192
twpcmbeC2.c1,2004,02 1:30:00,23 ,0.024715,0.127553,0.056673,0.025093
twpcmbeC2.c1,2004,02 2:30:00,23 ,0.025324,0.104002,0.055855,0.021926
twpcmbeC2.c1,2004,02 3:30:00,24 ,0.024294,0.123128,0.066772,0.033719
twpcmbeC2.c1,2004,02 4:30:00,24 ,0.026395,0.220336,0.064637,0.046778
twpcmbeC2.c1,2004,02 5:30:00,24 , 0.01947,0.155779,0.071489,0.038543
twpcmbeC2.c1,2004,02 6:30:00,23 ,0.017114,0.157114,0.062923,0.032599
twpcmbeC2.c1,2004,02 7:30:00,22 ,0.024053,0.115334,0.049357,0.025737
twpcmbeC2.c1,2004,02 8:30:00,23 ,0.019892,0.210056,0.064402,0.044939
twpcmbeC2.c1,2004,02 9:30:00,23 ,0.023493,0.096247, 0.05268,0.019659
twpcmbeC2.c1,2004,0210:30:00,23 ,0.036025,0.220643, 0.06605,0.044709
twpcmbeC2.c1,2004,0211:30:00,23 ,0.024126,0.236823,0.060065,0.047781
twpcmbeC2.c1,2004,0212:30:00,24 ,0.014017,0.131989, 0.06601,0.030937
twpcmbeC2.c1,2004,0213:30:00,23 ,0.030154,0.186206,0.073557,0.040457
twpcmbeC2.c1,2004,0214:30:00,23 ,0.027642,0.166502,0.068173,0.033684
twpcmbeC2.c1,2004,0215:30:00,24 ,0.031041, 0.17676,0.064693,0.031871
twpcmbeC2.c1,2004,0216:30:00,24 ,0.024359, 0.13725,0.059606,0.030203
twpcmbeC2.c1,2004,0217:30:00,24 ,0.010145,0.232329,0.066717,0.042735
twpcmbeC2.c1,2004,0218:30:00,24 ,0.022041,0.176996,0.067625,0.035766
twpcmbeC2.c1,2004,0219:30:00,24 ,0.023172, 0.12148,0.056946,0.026243
twpcmbeC2.c1,2004,0220:30:00,23 ,0.017964,0.138643,0.063301,0.034722
twpcmbeC2.c1,2004,0221:30:00,22 ,0.026783,0.230473,0.066414,0.041028
twpcmbeC2.c1,2004,0222:30:00,22 ,0.025122,0.111039,0.053799,0.023588
twpcmbeC2.c1,2004,0223:30:00,23 ,0.026364,0.105927,0.058199,0.022641