datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,01 0:30:00,31 ,       0,0.142108,0.004584,0.025523
twpcmbeC1.c1,2004,01 1:30:00,31 ,       0,0.192268,0.006202,0.034532
twpcmbeC1.c1,2004,01 2:30:00,31 ,       0,0.176713,0.013555,0.039053
twpcmbeC1.c1,2004,01 3:30:00,31 ,       0,0.054627,0.006627,0.016336
twpcmbeC1.c1,2004,01 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,01 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,01 6:30:00,31 ,       0,23.87177,6.027508,6.434362
twpcmbeC1.c1,2004,01 7:30:00,31 ,0.008633, 202.081,82.74108,75.21244
twpcmbeC1.c1,2004,01 8:30:00,31 ,       0,434.4849,206.7403,164.4384
twpcmbeC1.c1,2004,01 9:30:00,31 ,0.070923,642.4485,323.5627,228.7234
twpcmbeC1.c1,2004,0110:30:00,31 ,1.497665,797.3148,416.8118,  285.88
twpcmbeC1.c1,2004,0111:30:00,31 ,0.629807,906.3894,452.8455,315.1972
twpcmbeC1.c1,2004,0112:30:00,31 ,1.435791,938.4641,493.2574,286.2591
twpcmbeC1.c1,2004,0113:30:00,31 ,0.682129,889.5944,395.3351,286.7809
twpcmbeC1.c1,2004,0114:30:00,31 ,0.725182,770.7466,243.8798,273.7926
twpcmbeC1.c1,2004,0115:30:00,31 ,0.038055,594.4503,160.8465,207.4226
twpcmbeC1.c1,2004,0116:30:00,31 ,       0,371.8665,92.12028,112.9968
twpcmbeC1.c1,2004,0117:30:00,31 ,0.000397,144.7905,34.49019,46.54311
twpcmbeC1.c1,2004,0118:30:00,31 ,0.000132,5.644525,1.108138,1.733578
twpcmbeC1.c1,2004,0119:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0120:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0121:30:00,31 ,       0,0.026736,0.001322,0.005365
twpcmbeC1.c1,2004,0122:30:00,31 ,       0,0.225044,0.013404,0.046474
twpcmbeC1.c1,2004,0123:30:00,31 ,       0,0.131048,0.011106,0.033332