datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2006,12 0:30:00,31 ,       0,0.341955,0.029319,0.091469
twpcmbeC1.c1,2006,12 1:30:00,31 ,       0,0.312187,0.010071, 0.05607
twpcmbeC1.c1,2006,12 2:30:00,31 ,       0,0.354191,0.028592,0.083733
twpcmbeC1.c1,2006,12 3:30:00,31 ,       0,0.268372,0.014694,0.057837
twpcmbeC1.c1,2006,12 4:30:00,31 ,       0,0.289542, 0.00934,0.052003
twpcmbeC1.c1,2006,12 5:30:00,31 ,       0,2.057876,0.601099,0.501832
twpcmbeC1.c1,2006,12 6:30:00,31 ,8.842448,86.09301,40.87706,19.16393
twpcmbeC1.c1,2006,12 7:30:00,31 ,7.319589,129.9146,67.48568,31.74512
twpcmbeC1.c1,2006,12 8:30:00,31 ,7.388496, 226.836,101.8168, 54.7569
twpcmbeC1.c1,2006,12 9:30:00,31 ,16.58238,250.0736,146.3618,71.24473
twpcmbeC1.c1,2006,1210:30:00,31 , 11.8686,294.3683,136.5101,91.91162
twpcmbeC1.c1,2006,1211:30:00,31 ,15.54893,389.0912,131.9635,103.3794
twpcmbeC1.c1,2006,1212:30:00,31 , 20.8556,347.0331,139.3429,89.60416
twpcmbeC1.c1,2006,1213:30:00,31 ,23.70891,386.2248,172.8385,109.1892
twpcmbeC1.c1,2006,1214:30:00,31 , 9.86723,313.1632,122.4631,86.48715
twpcmbeC1.c1,2006,1215:30:00,31 ,9.003566,234.3407,94.18917,62.23897
twpcmbeC1.c1,2006,1216:30:00,31 ,4.348467,213.6851,70.89766,50.06706
twpcmbeC1.c1,2006,1217:30:00,31 ,6.761723,103.4958,35.81547,25.86545
twpcmbeC1.c1,2006,1218:30:00,31 ,1.039835,13.17211,5.354816,3.203034
twpcmbeC1.c1,2006,1219:30:00,31 ,       0, 0.14036,0.004528,0.025209
twpcmbeC1.c1,2006,1220:30:00,31 ,       0,0.306228,0.009878,   0.055
twpcmbeC1.c1,2006,1221:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,1222:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2006,1223:30:00,31 ,       0,0.242618,0.023677,0.065506