datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,1999,02 0:30:00,28 ,       0,0.373892,0.109302,0.121461
twpcmbeC1.c1,1999,02 1:30:00,28 ,       0,0.306535,0.077664,0.102692
twpcmbeC1.c1,1999,02 2:30:00,28 ,       0,0.322293, 0.05271,0.096848
twpcmbeC1.c1,1999,02 3:30:00,28 ,       0,0.199997,0.018195,0.045321
twpcmbeC1.c1,1999,02 4:30:00,28 ,       0,0.177746,0.015731,0.040683
twpcmbeC1.c1,1999,02 5:30:00,28 ,       0,0.223017,0.009881,0.042982
twpcmbeC1.c1,1999,02 6:30:00,28 ,       0,17.30083,3.171044,4.966275
twpcmbeC1.c1,1999,02 7:30:00,28 , 0.00263,90.64367,27.53522,30.44947
twpcmbeC1.c1,1999,02 8:30:00,28 ,0.025473,171.0414,66.15293,58.05213
twpcmbeC1.c1,1999,02 9:30:00,28 ,0.105854,305.3918,102.8313,82.74703
twpcmbeC1.c1,1999,0210:30:00,27 ,0.093183,329.1821,138.4506,  114.55
twpcmbeC1.c1,1999,0211:30:00,27 ,0.127045,382.9692,119.7745,116.2489
twpcmbeC1.c1,1999,0212:30:00,27 ,0.134417, 399.921,108.2322,118.9597
twpcmbeC1.c1,1999,0213:30:00,27 ,0.033801,357.8166,119.0295,108.2458
twpcmbeC1.c1,1999,0214:30:00,28 ,       0,316.0426,104.7175, 86.2042
twpcmbeC1.c1,1999,0215:30:00,28 ,0.153762,191.8917,70.97784,60.37865
twpcmbeC1.c1,1999,0216:30:00,28 ,0.116652,170.2839,50.22652, 50.0471
twpcmbeC1.c1,1999,0217:30:00,28 ,       0,84.34637,22.94719, 28.7519
twpcmbeC1.c1,1999,0218:30:00,28 ,       0,7.168402,1.377206,2.301069
twpcmbeC1.c1,1999,0219:30:00,28 ,       0,       0,       0,       0
twpcmbeC1.c1,1999,0220:30:00,28 ,       0,0.224426,0.013387,0.046116
twpcmbeC1.c1,1999,0221:30:00,28 ,       0,0.310725,0.048345,0.090885
twpcmbeC1.c1,1999,0222:30:00,28 ,       0,0.365138,0.074687,0.123227
twpcmbeC1.c1,1999,0223:30:00,28 ,       0,0.475708,0.081699,0.126349