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 ,       0,0.003005,0.000107,0.000568
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, 0.00074,0.000026, 0.00014
twpcmbeC1.c1,2006,02 6:30:00,28 ,  0.5857,24.70459,16.69395,   5.469
twpcmbeC1.c1,2006,02 7:30:00,28 ,7.436139,148.7045,101.7856,31.18212
twpcmbeC1.c1,2006,02 8:30:00,28 ,22.44329,305.5037,190.2904,63.40269
twpcmbeC1.c1,2006,02 9:30:00,28 ,52.51937,396.5644,266.9112,84.08661
twpcmbeC1.c1,2006,0210:30:00,28 ,59.09013, 557.508,326.3145,136.0469
twpcmbeC1.c1,2006,0211:30:00,28 , 41.4981,558.2168,319.6136, 144.467
twpcmbeC1.c1,2006,0212:30:00,28 ,54.83376,606.2063, 322.947,157.1105
twpcmbeC1.c1,2006,0213:30:00,28 ,110.6317, 589.838,330.8918,144.8899
twpcmbeC1.c1,2006,0214:30:00,28 ,99.97371,568.1077,303.3591,122.9193
twpcmbeC1.c1,2006,0215:30:00,28 ,49.97522,449.2282,234.9397,100.8458
twpcmbeC1.c1,2006,0216:30:00,28 ,15.33032,  266.75,159.8823,65.18205
twpcmbeC1.c1,2006,0217:30:00,28 ,11.18829,147.8058,80.91249,32.79995
twpcmbeC1.c1,2006,0218:30:00,28 ,1.046203,13.19659,8.124441,3.280442
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