datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,03 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,03 6:30:00,31 , 6.95006,34.38765,19.33521, 6.86573
twpcmbeC1.c1,2004,03 7:30:00,31 ,7.745535,60.94072,26.53418,14.45881
twpcmbeC1.c1,2004,03 8:30:00,31 ,2.883122,61.40664,30.38191,15.97467
twpcmbeC1.c1,2004,03 9:30:00,31 ,1.080905, 83.4578,38.12476,20.23186
twpcmbeC1.c1,2004,0310:30:00,31 ,2.970816,84.19333,48.57342,20.56703
twpcmbeC1.c1,2004,0311:30:00,31 ,5.745594,158.8217,72.05046,40.49643
twpcmbeC1.c1,2004,0312:30:00,31 ,4.111054,139.9183,58.11558,34.59927
twpcmbeC1.c1,2004,0313:30:00,31 ,2.525453,192.6023,  51.051,43.32795
twpcmbeC1.c1,2004,0314:30:00,31 ,1.327385,115.8437,50.26378,32.40673
twpcmbeC1.c1,2004,0315:30:00,31 ,1.550557,99.17526,37.84455,24.57941
twpcmbeC1.c1,2004,0316:30:00,31 ,3.913668,73.30839,27.22682,18.06357
twpcmbeC1.c1,2004,0317:30:00,31 ,1.458305,48.57347, 23.8689,11.95371
twpcmbeC1.c1,2004,0318:30:00,31 ,1.399651,15.20516,7.036506,3.839642
twpcmbeC1.c1,2004,0319:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0320:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0321:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0322:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0323:30:00,30 ,       0,       0,       0,       0