datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2007,03 0:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,03 1:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,03 2:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,03 3:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,03 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,03 5:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,03 6:30:00,31 ,0.180991,2.903275,1.013235,0.531481
twpcmbeC2.c1,2007,03 7:30:00,31 ,15.17302, 51.4935, 27.2022, 8.56886
twpcmbeC2.c1,2007,03 8:30:00,31 ,5.445399,69.57116,23.08122,14.79369
twpcmbeC2.c1,2007,03 9:30:00,31 ,3.116004,64.22903,33.87767,18.90907
twpcmbeC2.c1,2007,0310:30:00,31 ,9.511311,113.2098,52.16286,27.51434
twpcmbeC2.c1,2007,0311:30:00,31 ,12.81341,148.6271,53.10088,26.00693
twpcmbeC2.c1,2007,0312:30:00,31 ,6.034383,147.6827,50.97802,27.95639
twpcmbeC2.c1,2007,0313:30:00,31 ,6.520579,124.3952,52.97127,25.70487
twpcmbeC2.c1,2007,0314:30:00,31 ,8.211351,172.8362, 51.1733,29.39964
twpcmbeC2.c1,2007,0315:30:00,31 ,17.54417, 158.016,44.01735,25.76666
twpcmbeC2.c1,2007,0316:30:00,31 ,8.450658,95.21733,35.52926,21.00936
twpcmbeC2.c1,2007,0317:30:00,31 ,5.581398,62.80154,26.66858,15.47795
twpcmbeC2.c1,2007,0318:30:00,31 ,9.097362,50.01011,26.11582,9.974149
twpcmbeC2.c1,2007,0319:30:00,31 ,0.187264,4.491611,2.081774,1.191061
twpcmbeC2.c1,2007,0320:30:00,31 ,       0,0.008828,0.000285,0.001586
twpcmbeC2.c1,2007,0321:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,0322:30:00,31 ,       0,       0,       0,       0
twpcmbeC2.c1,2007,0323:30:00,31 ,       0,       0,       0,       0