datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2004,03 0:00:00,30 ,       0,0.007471,0.000249,0.001364
twpcmbeC3.c1,2004,03 1:00:00,30 ,       0,0.057288, 0.00204,0.010448
twpcmbeC3.c1,2004,03 2:00:00,30 ,       0,0.049878,0.004151,0.012784
twpcmbeC3.c1,2004,03 3:00:00,30 ,       0,0.032754,0.001588,0.006207
twpcmbeC3.c1,2004,03 4:00:00,30 ,       0,0.035159,0.001443,0.006538
twpcmbeC3.c1,2004,03 5:00:00,30 ,       0, 0.07338,0.004235,0.014731
twpcmbeC3.c1,2004,03 6:00:00,30 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,03 7:00:00,31 ,0.483776,26.96379,12.85033,6.565255
twpcmbeC3.c1,2004,03 8:00:00,31 ,1.017953,89.06286,25.99072,19.36534
twpcmbeC3.c1,2004,03 9:00:00,31 ,3.766185,100.9607, 37.2142,25.12051
twpcmbeC3.c1,2004,0310:00:00,31 ,6.937324,141.7272,44.44318,30.82355
twpcmbeC3.c1,2004,0311:00:00,31 ,8.714619,174.4115,64.99728,43.24172
twpcmbeC3.c1,2004,0312:00:00,31 ,8.879015,130.6965,51.22413,27.49544
twpcmbeC3.c1,2004,0313:00:00,31 ,11.93864,185.3219,56.83208,42.06474
twpcmbeC3.c1,2004,0314:00:00,31 ,3.057738, 163.755,56.11851,42.42722
twpcmbeC3.c1,2004,0315:00:00,31 ,1.734509,182.7888,49.13256,44.33863
twpcmbeC3.c1,2004,0316:00:00,31 , 1.24783,153.7771,42.10249,37.70625
twpcmbeC3.c1,2004,0317:00:00,31 ,0.739414,94.11504,26.33369,25.03628
twpcmbeC3.c1,2004,0318:00:00,31 ,1.263087,55.79299,24.02144,15.68849
twpcmbeC3.c1,2004,0319:00:00,31 ,0.722829,27.23273,12.51275,6.964227
twpcmbeC3.c1,2004,0320:00:00,31 ,       0,0.026551,0.000856,0.004769
twpcmbeC3.c1,2004,0321:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2004,0322:00:00,31 ,       0,0.028622,0.000923,0.005141
twpcmbeC3.c1,2004,0323:00:00,31 ,       0,       0,       0,       0