datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2005,12 0:30:00,31 ,       0,0.129755,0.014842,0.032815
twpcmbeC2.c1,2005,12 1:30:00,31 ,       0,0.101182,0.008646, 0.02527
twpcmbeC2.c1,2005,12 2:30:00,31 ,       0,0.055054, 0.00358,0.011177
twpcmbeC2.c1,2005,12 3:30:00,31 ,       0,0.127944,0.015534,0.034094
twpcmbeC2.c1,2005,12 4:30:00,31 ,       0,0.100678,0.009332,0.026482
twpcmbeC2.c1,2005,12 5:30:00,31 ,       0,0.142793,0.010177,0.031198
twpcmbeC2.c1,2005,12 6:30:00,31 ,1.882334,10.83623,5.381708,2.619037
twpcmbeC2.c1,2005,12 7:30:00,31 ,7.764107,47.12263,24.32768,10.41052
twpcmbeC2.c1,2005,12 8:30:00,31 ,3.762419,55.26459,26.19199,13.51115
twpcmbeC2.c1,2005,12 9:30:00,31 ,4.188118,72.70331,30.58583,16.46368
twpcmbeC2.c1,2005,1210:30:00,31 ,1.747376,104.3465,40.59194,24.34157
twpcmbeC2.c1,2005,1211:30:00,31 ,3.966912, 181.227,49.96977,41.07755
twpcmbeC2.c1,2005,1212:30:00,31 ,5.986891,125.7476,52.28155,32.24856
twpcmbeC2.c1,2005,1213:30:00,31 ,9.865461,179.4444,57.71946,39.51593
twpcmbeC2.c1,2005,1214:30:00,31 ,6.079305,111.1731,42.46162,26.98791
twpcmbeC2.c1,2005,1215:30:00,31 , 3.08803, 80.1688,36.04017,15.52359
twpcmbeC2.c1,2005,1216:30:00,31 ,2.238533,94.12306,37.13217,23.39974
twpcmbeC2.c1,2005,1217:30:00,31 ,5.218822,62.46965,24.62462,11.37494
twpcmbeC2.c1,2005,1218:30:00,31 ,5.813974,42.14701,25.41812,8.385274
twpcmbeC2.c1,2005,1219:30:00,31 ,       0,1.310421,0.452394,0.398663
twpcmbeC2.c1,2005,1220:30:00,31 ,       0,0.045905,0.002526,0.009931
twpcmbeC2.c1,2005,1221:30:00,31 ,       0,0.123356,0.012411,0.031266
twpcmbeC2.c1,2005,1222:30:00,31 ,       0,0.079724,0.004441,0.016207
twpcmbeC2.c1,2005,1223:30:00,31 ,       0, 0.09704,0.009562, 0.02438