datastream, year, month, tod,n, min, max, mean, std
twpcmbeC2.c1,2004,06 0:30:00,30 ,0.547177, 10.3684, 4.01579,3.303221
twpcmbeC2.c1,2004,06 1:30:00,30 ,0.334608, 12.5224, 4.38057,3.592038
twpcmbeC2.c1,2004,06 2:30:00,30 ,0.586032,12.54372,4.272119,3.386993
twpcmbeC2.c1,2004,06 3:30:00,30 ,0.569983,11.64351,4.231104,3.168916
twpcmbeC2.c1,2004,06 4:30:00,30 ,0.330393,10.88906,3.731197,2.975563
twpcmbeC2.c1,2004,06 5:30:00,30 ,0.259024,15.51111,4.356921,4.111438
twpcmbeC2.c1,2004,06 6:30:00,30 ,0.390363,12.66086, 3.28608,2.914041
twpcmbeC2.c1,2004,06 7:30:00,30 ,0.534799,8.342326,3.551859,2.505628
twpcmbeC2.c1,2004,06 8:30:00,30 ,0.910892, 9.65646,4.038549,2.654411
twpcmbeC2.c1,2004,06 9:30:00,30 ,0.505828,11.35842,4.094279,2.790819
twpcmbeC2.c1,2004,0610:30:00,30 ,0.586155,13.91791,4.535753,3.118097
twpcmbeC2.c1,2004,0611:30:00,30 , 0.64515,10.19065, 3.74275,2.188141
twpcmbeC2.c1,2004,0612:30:00,30 ,0.304963, 9.27142,3.793015,2.237662
twpcmbeC2.c1,2004,0613:30:00,30 ,0.761704,8.520707,3.998678,2.402801
twpcmbeC2.c1,2004,0614:30:00,30 ,0.434034,10.45772,4.420231,2.599299
twpcmbeC2.c1,2004,0615:30:00,30 ,0.483924,17.31763,4.350383,  3.3592
twpcmbeC2.c1,2004,0616:30:00,30 ,0.521185,8.727103, 4.18385,2.271687
twpcmbeC2.c1,2004,0617:30:00,30 ,0.366402,13.94091,3.977315,3.068939
twpcmbeC2.c1,2004,0618:30:00,30 ,0.301274,12.88831,3.719046,3.294225
twpcmbeC2.c1,2004,0619:30:00,30 ,0.342114,8.102678,2.854011,2.082976
twpcmbeC2.c1,2004,0620:30:00,30 , 0.23493,16.87182, 3.83928,3.633398
twpcmbeC2.c1,2004,0621:30:00,30 ,0.290436,10.30117,3.404367,2.866035
twpcmbeC2.c1,2004,0622:30:00,30 ,0.263664,12.79999,3.890285, 3.23358
twpcmbeC2.c1,2004,0623:30:00,30 ,0.463921,14.18219,3.106513,2.815418