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 ,6.270551,41.45442,20.15068,7.632574
twpcmbeC1.c1,2004,03 7:30:00,31 ,28.23398,159.0267,100.5885,33.41053
twpcmbeC1.c1,2004,03 8:30:00,31 ,72.70664,326.2537, 176.633,71.63452
twpcmbeC1.c1,2004,03 9:30:00,31 ,90.82499,403.7802,229.6382,86.72573
twpcmbeC1.c1,2004,0310:30:00,31 ,97.48701,487.3938,278.8296,109.3076
twpcmbeC1.c1,2004,0311:30:00,31 , 112.537,558.1837,329.2358,124.7774
twpcmbeC1.c1,2004,0312:30:00,31 ,64.81858,571.4909,330.6866,150.0697
twpcmbeC1.c1,2004,0313:30:00,31 ,48.01843, 575.337,  292.46,144.2287
twpcmbeC1.c1,2004,0314:30:00,31 , 34.7451, 448.021,251.4965,114.4456
twpcmbeC1.c1,2004,0315:30:00,31 ,15.51046,398.2499,214.3065,111.5952
twpcmbeC1.c1,2004,0316:30:00,31 ,17.58562,297.4923, 136.822,69.47346
twpcmbeC1.c1,2004,0317:30:00,31 ,16.61425, 117.443,62.26326,26.09848
twpcmbeC1.c1,2004,0318:30:00,31 ,   0.716,11.55781,4.811362,2.943213
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