datastream, year, month, tod,n, min, max, mean, std
twpcmbeC3.c1,2007,03 0:00:00,31 ,       0,0.004558,0.000147,0.000819
twpcmbeC3.c1,2007,03 1:00:00,31 ,       0,0.003866,0.000125,0.000694
twpcmbeC3.c1,2007,03 2:00:00,31 ,       0, 0.01102,0.000355,0.001979
twpcmbeC3.c1,2007,03 3:00:00,31 ,       0, 0.00803,0.000259,0.001442
twpcmbeC3.c1,2007,03 4:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2007,03 5:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2007,03 6:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2007,03 7:00:00,31 ,1.857673,31.83703,15.77276,7.464922
twpcmbeC3.c1,2007,03 8:00:00,31 ,2.614688,69.20029,28.65389,15.61408
twpcmbeC3.c1,2007,03 9:00:00,31 ,5.409847,97.97311,37.89167,24.63269
twpcmbeC3.c1,2007,0310:00:00,31 ,6.555753,101.9846,46.42178,25.34887
twpcmbeC3.c1,2007,0311:00:00,31 ,2.462155,172.4778,57.60019,30.98378
twpcmbeC3.c1,2007,0312:00:00,31 ,5.503945,237.1675,58.44323,42.77495
twpcmbeC3.c1,2007,0313:00:00,31 ,4.274649,163.2402,71.49449,39.51039
twpcmbeC3.c1,2007,0314:00:00,31 ,3.978578,135.3794,62.86824,35.91218
twpcmbeC3.c1,2007,0315:00:00,31 ,1.305613,196.8339,63.90695,49.01438
twpcmbeC3.c1,2007,0316:00:00,31 ,1.800121,104.5508,43.96762,28.37391
twpcmbeC3.c1,2007,0317:00:00,31 , 1.37286,109.5382,31.96548,27.35344
twpcmbeC3.c1,2007,0318:00:00,31 ,0.674838,60.29972,24.38487,17.15188
twpcmbeC3.c1,2007,0319:00:00,31 ,0.447269,17.46008, 7.88076,4.227463
twpcmbeC3.c1,2007,0320:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2007,0321:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2007,0322:00:00,31 ,       0,       0,       0,       0
twpcmbeC3.c1,2007,0323:00:00,31 ,       0,       0,       0,       0