datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,02 0:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,02 1:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,02 2:30:00,28 ,       0,0.009114,0.000325,0.001722
twpcmbeC1.c1,2006,02 3:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,02 4:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,02 5:30:00,28 ,       0,0.003982,0.000142,0.000753
twpcmbeC1.c1,2006,02 6:30:00,28 ,0.814371,24.57467,17.52161, 5.62847
twpcmbeC1.c1,2006,02 7:30:00,28 ,3.180681,54.26992,27.21116,12.58471
twpcmbeC1.c1,2006,02 8:30:00,28 ,6.542431, 74.2023, 37.7113,17.92487
twpcmbeC1.c1,2006,02 9:30:00,28 ,4.016068,103.7599,42.59659,22.48232
twpcmbeC1.c1,2006,0210:30:00,28 , 5.92174,117.4269,51.40799,29.03718
twpcmbeC1.c1,2006,0211:30:00,28 ,9.931803,202.8823,52.89586,41.49809
twpcmbeC1.c1,2006,0212:30:00,28 ,7.028721,141.4967,53.75321,34.97746
twpcmbeC1.c1,2006,0213:30:00,28 ,4.972044,120.7543, 47.0357,32.50374
twpcmbeC1.c1,2006,0214:30:00,28 ,6.428116, 228.375,56.12581,48.85672
twpcmbeC1.c1,2006,0215:30:00,28 ,4.608635,93.22357,41.05644,26.53351
twpcmbeC1.c1,2006,0216:30:00,28 ,4.021371,118.6392,30.64976, 24.3401
twpcmbeC1.c1,2006,0217:30:00,28 ,  1.1623,57.70094,26.53334,14.17361
twpcmbeC1.c1,2006,0218:30:00,28 , 1.98023,17.41032,10.49393,4.151908
twpcmbeC1.c1,2006,0219:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0220:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0221:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0222:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,0223:30:00,27 ,       0,       0,       0,       0