datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1996,12 0:30:00,31 ,       0,0.333489,0.075718,0.082853
twpcmbeC1.c1,1996,12 1:30:00,31 ,       0, 0.34435,0.080801,0.087565
twpcmbeC1.c1,1996,12 2:30:00,31 ,       0,0.286327,0.067564,0.077014
twpcmbeC1.c1,1996,12 3:30:00,31 ,       0,0.379624,0.082348,0.093523
twpcmbeC1.c1,1996,12 4:30:00,31 ,       0,0.278335,0.081988,0.078038
twpcmbeC1.c1,1996,12 5:30:00,31 ,       0,2.536076,0.772415,0.781542
twpcmbeC1.c1,1996,12 6:30:00,31 ,2.168723,55.18795,23.48795,10.66783
twpcmbeC1.c1,1996,12 7:30:00,31 ,1.005031,79.48045,28.30415, 18.3711
twpcmbeC1.c1,1996,12 8:30:00,31 ,2.774327, 79.6877,29.88858,20.99512
twpcmbeC1.c1,1996,12 9:30:00,31 ,2.870916,142.6354,46.47073,35.93002
twpcmbeC1.c1,1996,1210:30:00,31 ,4.909034,141.2386,41.93964,32.18322
twpcmbeC1.c1,1996,1211:30:00,31 ,3.514446,158.4736,57.85349,42.42077
twpcmbeC1.c1,1996,1212:30:00,31 ,3.317903,227.1802,53.49605,49.34688
twpcmbeC1.c1,1996,1213:30:00,31 ,3.862015,134.9828,46.03615,35.29347
twpcmbeC1.c1,1996,1214:30:00,31 ,  8.2878,118.0034,42.73011,33.84667
twpcmbeC1.c1,1996,1215:30:00,31 ,4.529128,116.8307,32.97034,28.48001
twpcmbeC1.c1,1996,1216:30:00,31 , 2.60936, 53.9652,22.40596,12.88788
twpcmbeC1.c1,1996,1217:30:00,31 ,2.649372,41.45079, 21.3308,10.38992
twpcmbeC1.c1,1996,1218:30:00,31 ,0.191053,11.40551,2.915972,2.239471
twpcmbeC1.c1,1996,1219:30:00,31 ,       0,0.278761,0.063162,0.096485
twpcmbeC1.c1,1996,1220:30:00,31 ,       0,0.266698,0.062556,0.084031
twpcmbeC1.c1,1996,1221:30:00,31 ,       0,0.237126,0.062287,0.084902
twpcmbeC1.c1,1996,1222:30:00,31 ,       0,0.201911,0.056844,0.071615
twpcmbeC1.c1,1996,1223:30:00,31 ,       0,0.246186,0.063482,0.072264