datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,02 0:30:00,28 ,       0,0.268149,0.032949,0.083895
twpcmbeC2.c1,2005,02 1:30:00,28 ,       0,0.380515, 0.02996,0.083966
twpcmbeC2.c1,2005,02 2:30:00,28 ,       0,0.622439, 0.04444,0.131177
twpcmbeC2.c1,2005,02 3:30:00,28 ,       0,0.217012,0.039002,0.072557
twpcmbeC2.c1,2005,02 4:30:00,28 ,       0,0.186303,0.022605,0.053087
twpcmbeC2.c1,2005,02 5:30:00,28 ,       0,0.058563,0.003916,0.012636
twpcmbeC2.c1,2005,02 6:30:00,28 ,       0,0.001303,0.000065,0.000247
twpcmbeC2.c1,2005,02 7:30:00,28 ,0.035747,21.27919,4.095977,6.230592
twpcmbeC2.c1,2005,02 8:30:00,28 ,0.165764,205.6286,59.63117,64.51728
twpcmbeC2.c1,2005,02 9:30:00,28 ,0.245533,430.9023,175.2281,143.0553
twpcmbeC2.c1,2005,0210:30:00,28 ,0.143623,640.9791,227.9994,211.5038
twpcmbeC2.c1,2005,0211:30:00,28 , 0.11097,801.7792,319.0659,276.6342
twpcmbeC2.c1,2005,0212:30:00,28 ,0.069607,856.8172,374.5556,294.7151
twpcmbeC2.c1,2005,0213:30:00,28 ,0.080467,841.2703,362.0403,290.7377
twpcmbeC2.c1,2005,0214:30:00,28 , 0.05571,781.4224,321.9993, 273.523
twpcmbeC2.c1,2005,0215:30:00,28 ,0.019707,667.0899,210.3589,225.6153
twpcmbeC2.c1,2005,0216:30:00,28 ,       0,418.4355,139.4891, 150.243
twpcmbeC2.c1,2005,0217:30:00,28 ,0.086365,240.6151,53.57416,77.53682
twpcmbeC2.c1,2005,0218:30:00,28 ,       0,55.17034,9.772201,16.26875
twpcmbeC2.c1,2005,0219:30:00,28 ,       0,0.059042, 0.00816,0.014398
twpcmbeC2.c1,2005,0220:30:00,28 ,       0,0.029044,0.001349,0.005673
twpcmbeC2.c1,2005,0221:30:00,28 ,       0,0.367391,0.013422, 0.06939
twpcmbeC2.c1,2005,0222:30:00,28 ,       0, 0.07528,0.005854,0.019627
twpcmbeC2.c1,2005,0223:30:00,28 ,       0,0.201517,0.014974,0.046232